No. D13

All
Product Knowledge
16
D13
Binder - PPK, Group 16-18
Frequently Used Acronyms/Abbreviations
This bulletin replaces bulletin Group 16,
#D13, dated October 12, 2020.
Numerous acronyms and abbreviations are utilized in all facets of Porsche communications media. We have compiled this
list to supply definitions for the acronyms unique to Porsche, as well as definitions for abbreviations common to the automotive
industry. This list is therefore divided into two groups, both ordered alpha-numerically:
I. Porsche Acronyms
II. Common Automotive, Engineering, and Other Acronyms and Abbreviations used at Porsche
Please notify us where you see gaps or additional items needed for this list and email submissions to
[email protected]
I. Porsche Acronyms
Acronym
Description
ADD . . . . . . . . . . . . . . . . . . . . . . . .AfterSales Document Database
APO . . . . . . . . . . . . . . . . . . . . . . . .Advanced Planner and Optimizer
ASBD . . . . . . . . . . . . . . . . . . . . . . .AfterSales Business Development
ASM . . . . . . . . . . . . . . . . . . . . . . .Approval and Support Management Program
ASR . . . . . . . . . . . . . . . . . . . . . . . .Automatic Stock Replenishment
ATP . . . . . . . . . . . . . . . . . . . . . . . .Available to Promise
BAL . . . . . . . . . . . . . . . . . . . . . . . .Betriebsanleitung (In English - Owner’s Manual)
BMS . . . . . . . . . . . . . . . . . . . . . . . .Battery Management Supervisor
C-K . . . . . . . . . . . . . . . . . . . . . . . .Cramer-Krasselt (PCNA Agency of Record)
C@P . . . . . . . . . . . . . . . . . . . . . . .CRM @ Porsche
CGT . . . . . . . . . . . . . . . . . . . . . . . .Carrera GT
CIF . . . . . . . . . . . . . . . . . . . . . . . . .Core Interface
CP . . . . . . . . . . . . . . . . . . . . . . . . .Porsche Customer Satisfaction Partnership Program (CP, CCP or PCSPP)
CPA . . . . . . . . . . . . . . . . . . . . . . . .Corporate Porsche Academy
CPO . . . . . . . . . . . . . . . . . . . . . . . .Certified Pre-Owned
CPT . . . . . . . . . . . . . . . . . . . . . . . .Certified Porsche Technician
DFE . . . . . . . . . . . . . . . . . . . . . . . .POLARIS Dealer Front End
DIL . . . . . . . . . . . . . . . . . . . . . . . . .Dealer Information Link
DMSi . . . . . . . . . . . . . . . . . . . . . . .Dealer Management System integration
DP . . . . . . . . . . . . . . . . . . . . . . . . .Demand Planning
DR . . . . . . . . . . . . . . . . . . . . . . . . .Document Repository
DS . . . . . . . . . . . . . . . . . . . . . . . . .Driver’s Selection
DSA . . . . . . . . . . . . . . . . . . . . . . . .Dealer Self-Authorization
eAWS . . . . . . . . . . . . . . . . . . . . . .PDCC Sport Electromechanical Active Anti-roll System
FAP . . . . . . . . . . . . . . . . . . . . . . . .Fahrzeuganalyseprotokoll (VAL or "Vehicle Analysis Log" in English)
FES . . . . . . . . . . . . . . . . . . . . . . . .Location Key/Part ID (FES is a 5 digit part ID used in PQIS)
FIB . . . . . . . . . . . . . . . . . . . . . . . . .FIB Process (Vehicle specific ordering process, in German - Fahrzeug-Individual-Bestell Prozess)
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I. Porsche Acronyms (cont’d)
Acronym
Description
FRFT . . . . . . . . . . . . . . . . . . . . . . .Fixed Right First Time
GFF . . . . . . . . . . . . . . . . . . . . . . . .Guided Fault Finding
GTS . . . . . . . . . . . . . . . . . . . . . . . .Grand Touring Sport
GuW . . . . . . . . . . . . . . . . . . . . . . .Gewaehrleistungs-und Wartungshaft (In English - Maintenance Manual)
ICC . . . . . . . . . . . . . . . . . . . . . . . . .Internet Car Configurator
IPAS . . . . . . . . . . . . . . . . . . . . . . . .Intergrated Porsche Dealer Administrative System
IPL . . . . . . . . . . . . . . . . . . . . . . . . .International Porsche Locator (Pre-owned vehicle management)
ILT . . . . . . . . . . . . . . . . . . . . . . . . .Instructor Led Training
ITSM . . . . . . . . . . . . . . . . . . . . . . .IT Service Management
KESSY . . . . . . . . . . . . . . . . . . . . . .Porsche Entry and Drive System (Keyless)
KPI . . . . . . . . . . . . . . . . . . . . . . . . .Key Performance Indicators
MCF . . . . . . . . . . . . . . . . . . . . . . .Manual Corrected Forecast
MCR . . . . . . . . . . . . . . . . . . . . . . .Maschinenlesbare Codierregel (In English - Coding rule which is readable by machine)
MRP . . . . . . . . . . . . . . . . . . . . . . . .Material Resource Planner
MTL . . . . . . . . . . . . . . . . . . . . . . . .Mobile Technical Library
NVAP . . . . . . . . . . . . . . . . . . . . . . .New Vehicle Arrival Procedure
OPD . . . . . . . . . . . . . . . . . . . . . . . .One Porsche Drive
PAA . . . . . . . . . . . . . . . . . . . . . . . .Porsche Active Aerodynamics
PAB . . . . . . . . . . . . . . . . . . . . . . . .Porsche AfterSales Documents PACC . . . . . . . . . . . . . . . . . . . . . . .Porsche Approved Collision Center
PADM . . . . . . . . . . . . . . . . . . . . . .Porsche Active Drivetrain Mounts
PAG . . . . . . . . . . . . . . . . . . . . . . . .Porsche Aktiengesellschaft (Porsche Corporation. Denotes the home office & manufacturer in Germany.)
PAH . . . . . . . . . . . . . . . . . . . . . . . .Porsche Automobil Holding SE
PALMS . . . . . . . . . . . . . . . . . . . . .Porsche Academy Learning Management System
PAR . . . . . . . . . . . . . . . . . . . . . . . .Price Appeal Request
PAS . . . . . . . . . . . . . . . . . . . . . . . .Porsche Access System
PAS . . . . . . . . . . . . . . . . . . . . . . . .Porsche Active Safe (Associated with ACC)
PASM . . . . . . . . . . . . . . . . . . . . . .Porsche Active Suspension Management (In German - Porsche Aktives Fahrwerk)
PAV . . . . . . . . . . . . . . . . . . . . . . . .Parts Availability Request
PBS . . . . . . . . . . . . . . . . . . . . . . . .Porsche Business Services, Inc.
PBE . . . . . . . . . . . . . . . . . . . . . . . .Porsche Business Excellence
PCA . . . . . . . . . . . . . . . . . . . . . . . .Porsche Club of America
PCC . . . . . . . . . . . . . . . . . . . . . . . .Porsche Car Connect
PCCB . . . . . . . . . . . . . . . . . . . . . . .Porsche Ceramic Composite Brake
PCCC . . . . . . . . . . . . . . . . . . . . . . .Porsche Ceramic Composite Clutch
PCL . . . . . . . . . . . . . . . . . . . . . . . .Porsche Cars Canada, Ltd.
PCM . . . . . . . . . . . . . . . . . . . . . . . .Porsche Communication Management (Newer versions are designated PCM2, PCM2.1, etc.)
PCNA . . . . . . . . . . . . . . . . . . . . . . .Porsche Cars North America
PCSI . . . . . . . . . . . . . . . . . . . . . . .Porsche Connect Service Information
PCSPP . . . . . . . . . . . . . . . . . . . . .Porsche Customer Satisfaction Partnership Program (CP, CCP or PCSPP)
PCSS . . . . . . . . . . . . . . . . . . . . . . .Porsche Central Service System
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I. Porsche Acronyms (cont’d)
Acronym
Description
PDC . . . . . . . . . . . . . . . . . . . . . . . .Porsche Parts Distrivution Center
PDCC . . . . . . . . . . . . . . . . . . . . . .Porsche Dynamic Chassis Control (In German - Porsche Dynamische Fahrwerksregelung)
PDDS . . . . . . . . . . . . . . . . . . . . . . .Porsche Design Drivers Selection
PDI . . . . . . . . . . . . . . . . . . . . . . . . .Porsche Digital Inc.
PDIL . . . . . . . . . . . . . . . . . . . . . . . .Porsche Dealer Information Link
PDK . . . . . . . . . . . . . . . . . . . . . . . .Porsche Doppelkupplung
PDLS . . . . . . . . . . . . . . . . . . . . . . .Porsche Dynamic Light System
PDMS . . . . . . . . . . . . . . . . . . . . . .Porsche Dealer Marketing Services (Systems)
PDMS . . . . . . . . . . . . . . . . . . . . . .Porsche Document Management System
PDOA . . . . . . . . . . . . . . . . . . . . . .Porsche Drive Off Assistant
PDX . . . . . . . . . . . . . . . . . . . . . . . .Porsche Delivery Express
PEC . . . . . . . . . . . . . . . . . . . . . . . .Porsche Experience Center
PECT . . . . . . . . . . . . . . . . . . . . . . .Porsche Electrician Coordinator Tool
PEG . . . . . . . . . . . . . . . . . . . . . . . .Porsche Engineering Group
PES . . . . . . . . . . . . . . . . . . . . . . . .Porsche Engineering Services
PET . . . . . . . . . . . . . . . . . . . . . . . .Porsche Electronic Parts Catalog
PFS . . . . . . . . . . . . . . . . . . . . . . . .Porsche Financial Services
PGAT . . . . . . . . . . . . . . . . . . . . . . .Porsche Goodwill Assistance Tool
PGCS . . . . . . . . . . . . . . . . . . . . . . .Porsche Global Certification System
PHC . . . . . . . . . . . . . . . . . . . . . . . .Porsche Hill Control
PHCM . . . . . . . . . . . . . . . . . . . . . .Porsche Hybrid Clutch Management
PIA . . . . . . . . . . . . . . . . . . . . . . . . .Porsche Integrierts Auftragsmanagement System (In English - Porsche Integrated Management System)
PID . . . . . . . . . . . . . . . . . . . . . . . . .Porsche InnoDrive
PIKS . . . . . . . . . . . . . . . . . . . . . . . .Porsche Informations Kommunikations Services
PIP . . . . . . . . . . . . . . . . . . . . . . . . .Porsche Intelligent Performance
PiRS . . . . . . . . . . . . . . . . . . . . . . . .Porsche intelligent Repair Solutions
PiUS . . . . . . . . . . . . . . . . . . . . . . .Porsche integrated Update Service
PIWIS . . . . . . . . . . . . . . . . . . . . . .Porsche Intergrated Workshop Information System
PLA . . . . . . . . . . . . . . . . . . . . . . . .Porsche Latin America
PLAB . . . . . . . . . . . . . . . . . . . . . . .Porsche Label Request
PLH . . . . . . . . . . . . . . . . . . . . . . . .Porsche Licensing (In German - Porsche Lizenz und Handelsgesellschaft mbH & CO. KG)
PLS . . . . . . . . . . . . . . . . . . . . . . . .Porsche Logistics Services
PMB . . . . . . . . . . . . . . . . . . . . . . . .Porsche Matrix Beam
PMNA . . . . . . . . . . . . . . . . . . . . . .Porsche Motorsport North America
PMP . . . . . . . . . . . . . . . . . . . . . . . .Porsche Mobility Program
PODS . . . . . . . . . . . . . . . . . . . . . . .Porsche Occupant Detection System
POLARIS . . . . . . . . . . . . . . . . . . . .Porsche Logistics And Replenishment International System
POP . . . . . . . . . . . . . . . . . . . . . . . .Porsche Online Pro
POSIP . . . . . . . . . . . . . . . . . . . . . .Porsche Side-Impact Protection System
PP24 . . . . . . . . . . . . . . . . . . . . . . .Porsche-Parts 24
PPDS . . . . . . . . . . . . . . . . . . . . . . .Production Plan and Detailed Scheduling
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I. Porsche Acronyms (cont’d)
Acronym
Description
PPF . . . . . . . . . . . . . . . . . . . . . . . .Parts Permanent Factor
PPK . . . . . . . . . . . . . . . . . . . . . . . .Porsche Product Knowledge Bulletins
PPN . . . . . . . . . . . . . . . . . . . . . . . .Porsche Partnership Network
PPO . . . . . . . . . . . . . . . . . . . . . . . .Porsche Procurement Office
PPO . . . . . . . . . . . . . . . . . . . . . . . .Porsche Process Optimization
PPR . . . . . . . . . . . . . . . . . . . . . . . .Porsche Passion Report
PPS . . . . . . . . . . . . . . . . . . . . . . . .Parts Picking, Packing and Shipping Request
PPSA . . . . . . . . . . . . . . . . . . . . . . .Porsche Public Service Announcement
PQIS . . . . . . . . . . . . . . . . . . . . . . .Porsche Quality Information System
PQMS . . . . . . . . . . . . . . . . . . . . . .Porsche Quality Monitoring System
PRAP . . . . . . . . . . . . . . . . . . . . . . .Porsche Roadside Assistance Program
PRM . . . . . . . . . . . . . . . . . . . . . . . .Porsche Recuperation Management
PRMS . . . . . . . . . . . . . . . . . . . . . .Porsche Request Management System
PROS . . . . . . . . . . . . . . . . . . . . . . .Porsche Retail Online Shop
PSA . . . . . . . . . . . . . . . . . . . . . . . .Porsche Service Analysis
PSCB . . . . . . . . . . . . . . . . . . . . . . .Porsche Surface Coated Brake
PSDR . . . . . . . . . . . . . . . . . . . . . . .Porsche Service Dealer Review
PSDS . . . . . . . . . . . . . . . . . . . . . . .Porsche Sport Driving School
PSM . . . . . . . . . . . . . . . . . . . . . . .Porsche Stability Management (In German - Porsche Stabilitätskontrolle)
PSMP . . . . . . . . . . . . . . . . . . . . . .Porsche Scheduled Maintenance Plan
PST2 . . . . . . . . . . . . . . . . . . . . . . .Porsche System Tester (Replaced by PIWIS Tester)
PSTE . . . . . . . . . . . . . . . . . . . . . . .Porsche Special Tools & Equipment
PT3G . . . . . . . . . . . . . . . . . . . . . . .PIWIS Tester III
PTAP . . . . . . . . . . . . . . . . . . . . . . .Porsche Technology Apprenticeship Program
PTAR . . . . . . . . . . . . . . . . . . . . . . .Parts Technical Assistance Request
PTC . . . . . . . . . . . . . . . . . . . . . . . .Porsche Travel Club
PTEC . . . . . . . . . . . . . . . . . . . . . . .Porsche Technical Electronic Communication
PTM . . . . . . . . . . . . . . . . . . . . . . . .Porsche Traction Management (Also listed in various publications as Porsche Torque Management)
PTP . . . . . . . . . . . . . . . . . . . . . . . .Porsche Traffic Pro Radio
PTS . . . . . . . . . . . . . . . . . . . . . . . .Porsche Travel Services
PTS . . . . . . . . . . . . . . . . . . . . . . . .Porsche Travel System
PTV . . . . . . . . . . . . . . . . . . . . . . . .Porsche Torque Vectoring
PVA . . . . . . . . . . . . . . . . . . . . . . . .Porsche Vehicle Assistant
PVMS . . . . . . . . . . . . . . . . . . . . . .Porsche Sales and Vehicle Management System
PVP . . . . . . . . . . . . . . . . . . . . . . . .Porsche Improvement Process (In German - Porsche Verbesserungs Prozess)
PVTS . . . . . . . . . . . . . . . . . . . . . . .Porsche Vehicle Tracking System
PWC . . . . . . . . . . . . . . . . . . . . . . .Porsche Wholesale Connection
RDR . . . . . . . . . . . . . . . . . . . . . . . .Retail Delivery Report
RLRS . . . . . . . . . . . . . . . . . . . . . . .Reverse Logistics Relevant Stock
RSC . . . . . . . . . . . . . . . . . . . . . . . .Roadside Complaint/Damage Notification
SCC . . . . . . . . . . . . . . . . . . . . . . . .Service Communication Council
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I. Porsche Acronyms (cont’d)
Acronym
Description
SCP . . . . . . . . . . . . . . . . . . . . . . . .Sports Chrono Package
SIT . . . . . . . . . . . . . . . . . . . . . . . . .Service Information Technik (New Model Technical Introduction Books)
SNP . . . . . . . . . . . . . . . . . . . . . . . .Supply Network Planning
SOC . . . . . . . . . . . . . . . . . . . . . . . .Service Operations Center
SSN . . . . . . . . . . . . . . . . . . . . . . . .Single Sign On (Used in PPN)
SSO . . . . . . . . . . . . . . . . . . . . . . . .Single Sign On
STO . . . . . . . . . . . . . . . . . . . . . . . .Stock Order
STR . . . . . . . . . . . . . . . . . . . . . . . .Special Tool Request
TAV . . . . . . . . . . . . . . . . . . . . . . . .Tire Availability Request
TCC . . . . . . . . . . . . . . . . . . . . . . . .Technical Competence Center
TLAR . . . . . . . . . . . . . . . . . . . . . . .Techline Assistance Request
TLB . . . . . . . . . . . . . . . . . . . . . . . .Transport Load Builder
VAL . . . . . . . . . . . . . . . . . . . . . . . .Vehicle Analysis Log
VOR . . . . . . . . . . . . . . . . . . . . . . . .Vehicle Off Road
VMI . . . . . . . . . . . . . . . . . . . . . . . .Vendor Managed Inventory
VMS . . . . . . . . . . . . . . . . . . . . . . . .Vehicle Management System
VWXP . . . . . . . . . . . . . . . . . . . . . .Porsche Crossover Part Lookup
WBT . . . . . . . . . . . . . . . . . . . . . . .Web Based Training
WEST . . . . . . . . . . . . . . . . . . . . . .Workshop Equipment & Special Tool Manual
WET . . . . . . . . . . . . . . . . . . . . . . .Werbemittel Teiledienst (Parts Reference Literature)
WKD . . . . . . . . . . . . . . . . . . . . . . .Werbemittel Kundendienst (Service Repair Literature)
WWS . . . . . . . . . . . . . . . . . . . . . . .Worldwide Warranty System
ZPT . . . . . . . . . . . . . . . . . . . . . . . .Zertifizierter Techniker Programme (In English - Certified Porsche Technician Program CPT)
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II. Common Automotive, Engineering, and Other Acronyms and Abbreviations used at Porsche
Acronym
Description
A . . . . . . . . . . . . . . . . . . . . . . . . . . .Amperes
A/F . . . . . . . . . . . . . . . . . . . . . . . . .Air/Fuel
AAM . . . . . . . . . . . . . . . . . . . . . . . .Area AfterSales Manager
ABD . . . . . . . . . . . . . . . . . . . . . . . .Automatic Brake Distribution
ABS . . . . . . . . . . . . . . . . . . . . . . . .Anti-lock Braking System
AC . . . . . . . . . . . . . . . . . . . . . . . . .Air Conditioning
AC . . . . . . . . . . . . . . . . . . . . . . . . .Alternating Current
ACC . . . . . . . . . . . . . . . . . . . . . . .Adaptive Cruise Control
ACF . . . . . . . . . . . . . . . . . . . . . . . .Active Charcoal Filter
ADC . . . . . . . . . . . . . . . . . . . . . . . .Automatic Distance Control - RoW definition for ACC
ADM . . . . . . . . . . . . . . . . . . . . . . .Area District Manager
ADP . . . . . . . . . . . . . . . . . . . . . . . .Automatic Data Processing, Inc.
ADR . . . . . . . . . . . . . . . . . . . . . . . .Alternative Dispute Resolution
ADR . . . . . . . . . . . . . . . . . . . . . . . .Anzeige Domäne Rechner ("Multimedia Control Unit" in English) - 918 Spyder Only
AFS . . . . . . . . . . . . . . . . . . . . . . . .Adaptive Forward Lighting (In German - Automatische Fahrlichtsteuerung)
AGM . . . . . . . . . . . . . . . . . . . . . . .Absorbed Glass Mat Battery Technology
Ah . . . . . . . . . . . . . . . . . . . . . . . . . .Amp Hour (Battery Capacity Measurement)
AHC . . . . . . . . . . . . . . . . . . . . . . . .Automatic Headlight Calibration
AHK . . . . . . . . . . . . . . . . . . . . . . . .Trailer Hitch (In German means Anhängerkupplung)
AIR . . . . . . . . . . . . . . . . . . . . . . . . .Secondary Air Injection
ALR . . . . . . . . . . . . . . . . . . . . . . . .Automatic Locking Retractor (Seatbelts)
ALT . . . . . . . . . . . . . . . . . . . . . . . .Alternator
ALWR . . . . . . . . . . . . . . . . . . . . . .Self -levelling Headlamp system (In German - Automatische Leuchtweitenregulierung)
AM . . . . . . . . . . . . . . . . . . . . . . . . .Amplication Modulation (Radio Communication)
AM . . . . . . . . . . . . . . . . . . . . . . . . .Area Manager
AMS . . . . . . . . . . . . . . . . . . . . . . . .Advance Marketing Solutions
API . . . . . . . . . . . . . . . . . . . . . . . . .American Petroleum Institute
APN . . . . . . . . . . . . . . . . . . . . . . . .Access Point Name
AQS . . . . . . . . . . . . . . . . . . . . . . .Air Quality Sensor (In German - Luftqualitaetssensor)
ARA . . . . . . . . . . . . . . . . . . . . . . . .Trailer Maneuvering Assist
ASC . . . . . . . . . . . . . . . . . . . . . . . .Anti-Slip Control
ASE . . . . . . . . . . . . . . . . . . . . . . . .Automotive Service Excellence
ASFAD . . . . . . . . . . . . . . . . . . . . .Transport Canada, Road Safety (Canada)
ASI . . . . . . . . . . . . . . . . . . . . . . . . .Aftersales Satisfaction Index
ASR . . . . . . . . . . . . . . . . . . . . . . . .Automatic Stock Replenishment
ASR . . . . . . . . . . . . . . . . . . . . . . . .Automatic Slip Regulation
AT . . . . . . . . . . . . . . . . . . . . . . . . .Automatic Transmission
ATDC . . . . . . . . . . . . . . . . . . . . . . .After Top Dead Center
ATF . . . . . . . . . . . . . . . . . . . . . . . .Automatic Transmission Fluid
AUX . . . . . . . . . . . . . . . . . . . . . . . .Auxiliary Signal Input For External Device
AV . . . . . . . . . . . . . . . . . . . . . . . . .Audio/Video
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II. Common Automotive, Engineering, and Other Acronyms and Abbreviations used at Porsche (cont’d)
Acronym
Description
AWD . . . . . . . . . . . . . . . . . . . . . . .All Wheel Drive
AWS . . . . . . . . . . . . . . . . . . . . . . .Automatic Weight Sensing
B- . . . . . . . . . . . . . . . . . . . . . . . . . .Battery Negative Voltage
B+ . . . . . . . . . . . . . . . . . . . . . . . . .Battery Positive Voltage
BAR . . . . . . . . . . . . . . . . . . . . . . . .Atmospheric Pressure
BBP . . . . . . . . . . . . . . . . . . . . . . . .Best Business Practice (PCNA Source)
BCM_F . . . . . . . . . . . . . . . . . . . . .Body Control Module Front
BCM_R . . . . . . . . . . . . . . . . . . . . .Body Control Module Rear
BDS . . . . . . . . . . . . . . . . . . . . . . . .Battery Disconnect Switch
bhp . . . . . . . . . . . . . . . . . . . . . . . .Brake Horsepower
BKE . . . . . . . . . . . . . . . . . . . . . . . .AC Control Unit (In German - Bedien Klima Einheit)
BMC . . . . . . . . . . . . . . . . . . . . . . .Battery Control Module
BMS . . . . . . . . . . . . . . . . . . . . . . .Battery Monitoring Sensor (In German - Batteriesensor)
BMS . . . . . . . . . . . . . . . . . . . . . . . .Battery Management System
BSI . . . . . . . . . . . . . . . . . . . . . . . . .Bit Synchronous Interface
BSS . . . . . . . . . . . . . . . . . . . . . . . .Bit Synchronous Single-Wire Technology
BTDC . . . . . . . . . . . . . . . . . . . . . . .Before Top Dead Center
BTU . . . . . . . . . . . . . . . . . . . . . . . .British Thermal Units (Unit of Energy)
BU . . . . . . . . . . . . . . . . . . . . . . . . .Backup
BUS . . . . . . . . . . . . . . . . . . . . . . . .An electrical conductor that serves as a common connection
C . . . . . . . . . . . . . . . . . . . . . . . . . . .Celsius (Temperature)
CAC . . . . . . . . . . . . . . . . . . . . . . . .Charge Air Cooler
CAD . . . . . . . . . . . . . . . . . . . . . . . .Canadian Dollar
CAFE . . . . . . . . . . . . . . . . . . . . . . .Corporate Average Fuel Economy
Cal ID . . . . . . . . . . . . . . . . . . . . . . .Calibration Indentification (EPA)
CAN . . . . . . . . . . . . . . . . . . . . . . . .Controller Area Network (Communications)
CARB . . . . . . . . . . . . . . . . . . . . . . .California Air Resources Board
CAT . . . . . . . . . . . . . . . . . . . . . . . .Catalytic Converter (Emissions)
CBA . . . . . . . . . . . . . . . . . . . . . . . .Camera Based Assistance
CBM . . . . . . . . . . . . . . . . . . . . . . .Constant Brake Mode
cc . . . . . . . . . . . . . . . . . . . . . . . . . .Cubic Centimeter
CC . . . . . . . . . . . . . . . . . . . . . . . . .Cruise Control
CCA . . . . . . . . . . . . . . . . . . . . . . . .Cold Cranking Amps (Battery Capacity Measurement)
CCP . . . . . . . . . . . . . . . . . . . . . . . .Porsche Customer Satisfaction Partnership Program (CP, CCP or PCSPP)
CCU . . . . . . . . . . . . . . . . . . . . . . . .Compact Control Unit
CD . . . . . . . . . . . . . . . . . . . . . . . . .Compact Disc
cd . . . . . . . . . . . . . . . . . . . . . . . . . .Coefficient of Drag
CDR . . . . . . . . . . . . . . . . . . . . . . . .Compact Disc Radio
CDT . . . . . . . . . . . . . . . . . . . . . . . .Central Daylight Time
CE . . . . . . . . . . . . . . . . . . . . . . . . .Combustion Engine
CE Idle . . . . . . . . . . . . . . . . . . . . . .Combustion Engine Idle
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Acronym
Description
CEA . . . . . . . . . . . . . . . . . . . . . . . .Centrifugal Electro-hydraulic Actuator
CEO . . . . . . . . . . . . . . . . . . . . . . . .Chief Executive Officer
CFC . . . . . . . . . . . . . . . . . . . . . . . .Chlorofluorocarbons
CFM . . . . . . . . . . . . . . . . . . . . . . . .Cubic Feet per Minute
CFO . . . . . . . . . . . . . . . . . . . . . . . .Chief Financial Officer
CFRP . . . . . . . . . . . . . . . . . . . . . . .Carbon Fiber-Reinforced Polymer
CGI . . . . . . . . . . . . . . . . . . . . . . . . .Compacted Graphite Iron
cGW . . . . . . . . . . . . . . . . . . . . . . .Connected Gateway
CI . . . . . . . . . . . . . . . . . . . . . . . . . .Corporate Identity
CID . . . . . . . . . . . . . . . . . . . . . . . . .Cubic Inch Displacement
CIS . . . . . . . . . . . . . . . . . . . . . . . . .Continous Injection System
CL . . . . . . . . . . . . . . . . . . . . . . . . . .Closed Loop
cm . . . . . . . . . . . . . . . . . . . . . . . . .Centimeter
CO . . . . . . . . . . . . . . . . . . . . . . . . .Carbon Monoxide
CO2 . . . . . . . . . . . . . . . . . . . . . . . .Carbon Dioxide
COA . . . . . . . . . . . . . . . . . . . . . . . .Certificate of Authenticity
COB . . . . . . . . . . . . . . . . . . . . . . . .Close of Business
CoO . . . . . . . . . . . . . . . . . . . . . . . .Cost of Ownership
COO . . . . . . . . . . . . . . . . . . . . . . . .Chief Operating Officer
COS . . . . . . . . . . . . . . . . . . . . . . . .Cost Of Sales
CP . . . . . . . . . . . . . . . . . . . . . . . . .Control Pilot
CPO . . . . . . . . . . . . . . . . . . . . . . . .Certified Pre-Owned
CR . . . . . . . . . . . . . . . . . . . . . . . . .Cassette Radio
CRC . . . . . . . . . . . . . . . . . . . . . . . .Cyclic Redundancy Code
CRDL . . . . . . . . . . . . . . . . . . . . . . .Controlled Rear Differential Lock
CRI . . . . . . . . . . . . . . . . . . . . . . . . .Color Rendering Index
CRM . . . . . . . . . . . . . . . . . . . . . . .Customer Relationship Management
CRS . . . . . . . . . . . . . . . . . . . . . . . .Customer Service Representative
CS . . . . . . . . . . . . . . . . . . . . . . . . .Crankshaft
CSA . . . . . . . . . . . . . . . . . . . . . . . .Canadian Standards Associations
CSC . . . . . . . . . . . . . . . . . . . . . . . .Concentric Slave Cylinder
CSI . . . . . . . . . . . . . . . . . . . . . . . . .Customer Satisfaction Index (J.D. Power and Associates Survey)
CSS . . . . . . . . . . . . . . . . . . . . . . . .Compressor Soft Start
CST . . . . . . . . . . . . . . . . . . . . . . . .Central Standard Time (Also see CT)
CT . . . . . . . . . . . . . . . . . . . . . . . . .Central Time
CTCL . . . . . . . . . . . . . . . . . . . . . . .Convertible Top Compartment Lid
cu ft . . . . . . . . . . . . . . . . . . . . . . . .Cubic Feet (Volume Measurement)
CU . . . . . . . . . . . . . . . . . . . . . . . . .Control Unit
CVN . . . . . . . . . . . . . . . . . . . . . . . .Calibration Verification Number (CARB)
CY . . . . . . . . . . . . . . . . . . . . . . . . .Calendar Year
Cyl . . . . . . . . . . . . . . . . . . . . . . . . .Cylinder
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Acronym
Description
DAB . . . . . . . . . . . . . . . . . . . . . . . .Digital Audio Broadcasting
dB . . . . . . . . . . . . . . . . . . . . . . . . .Decibels (Noise Measurement)
DC . . . . . . . . . . . . . . . . . . . . . . . . .Damage Code
DC . . . . . . . . . . . . . . . . . . . . . . . . .Direct Current
DC/DC . . . . . . . . . . . . . . . . . . . . .Vehicle Voltage Stabilizer
DCU . . . . . . . . . . . . . . . . . . . . . . . .Display & Control Unit
DDC . . . . . . . . . . . . . . . . . . . . . . . .Driving Dynamics Control
DFI . . . . . . . . . . . . . . . . . . . . . . . . .Direct Fuel Injection
DFM . . . . . . . . . . . . . . . . . . . . . . . .Dynamo Field Monitor
DID . . . . . . . . . . . . . . . . . . . . . . . . .Design Intent Document
DIN . . . . . . . . . . . . . . . . . . . . . . . . .German Equivalent of USA SAE Weights and Measurement Standards (Deutsches Institut fuer Normung)
DIP . . . . . . . . . . . . . . . . . . . . . . . . .Dual Inline Package Switch (DIP Switch)
DLC . . . . . . . . . . . . . . . . . . . . . . . .Diamond-like Carbon (Used in piston rings)
DM . . . . . . . . . . . . . . . . . . . . . . . . .Direct Mail
DMB-T . . . . . . . . . . . . . . . . . . . . .Digital Multimedia Broadcasting - Terrestrial
DMC . . . . . . . . . . . . . . . . . . . . . . .Data Matrix Code
DME . . . . . . . . . . . . . . . . . . . . . . . .Digital Motor Electronics
DMF . . . . . . . . . . . . . . . . . . . . . . . .Dual Mass Flywheel
DMS . . . . . . . . . . . . . . . . . . . . . . .Dealer Management System
DMTL . . . . . . . . . . . . . . . . . . . . . .Diagnostics Module - Tank Leakage (Emissions)
DOG . . . . . . . . . . . . . . . . . . . . . . . .Dealer Order Guide
DOHC . . . . . . . . . . . . . . . . . . . . . .Dual Overhead Camshafts
DOS . . . . . . . . . . . . . . . . . . . . . . . .Dealer Operating System
DOT . . . . . . . . . . . . . . . . . . . . . . . .Department Of Tranportation (USA)
DPF . . . . . . . . . . . . . . . . . . . . . . . .Diesel Particulate Filter
DTMF . . . . . . . . . . . . . . . . . . . . . .Dual Tone Multi Frequency
DTS . . . . . . . . . . . . . . . . . . . . . . . .Roof Transport System
DVD . . . . . . . . . . . . . . . . . . . . . . . .Digital Versatile Disc
e.g. . . . . . . . . . . . . . . . . . . . . . . . . .Example Given
eAWS . . . . . . . . . . . . . . . . . . . . . .PDCC Sport Electromechanical Active Anti-roll System
EBB . . . . . . . . . . . . . . . . . . . . . . . .Electric Brake Booster
EC . . . . . . . . . . . . . . . . . . . . . . . . .Engine Control
ECE . . . . . . . . . . . . . . . . . . . . . . . .Economic Commission for Europe, E-mark, when marking components subject to approval on motor vehicles
ECM . . . . . . . . . . . . . . . . . . . . . . . .Engine Control Module
ECO . . . . . . . . . . . . . . . . . . . . . . . .Economy
ECP . . . . . . . . . . . . . . . . . . . . . . . .Electronic Chassis Platform
ECS . . . . . . . . . . . . . . . . . . . . . . . .Electronic Contact System
ECTS . . . . . . . . . . . . . . . . . . . . . . .Cylinder Head Temperature Sensor
ECU . . . . . . . . . . . . . . . . . . . . . . . .Electronic Control Unit
ECUT . . . . . . . . . . . . . . . . . . . . . . .Electronic Control Unit for Transmission
EDC . . . . . . . . . . . . . . . . . . . . . . . .Engine Drag-torque Control (Also EDTC or MSR in German)
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Acronym
Description
EDR . . . . . . . . . . . . . . . . . . . . . . . .Event Data Recorder
EDS . . . . . . . . . . . . . . . . . . . . . . . .Electric Pressure Control Valve
EDT . . . . . . . . . . . . . . . . . . . . . . . .Eastern Daylight Time
EDTC . . . . . . . . . . . . . . . . . . . . . . .Engine Drag-torque Control (Also EDC or MSR in German)
eEM . . . . . . . . . . . . . . . . . . . . . . . .Electric Energy Management
e-gas . . . . . . . . . . . . . . . . . . . . . . .Electronic Throttle
EGR . . . . . . . . . . . . . . . . . . . . . . . .Exhaust Gas Recirculation
EIL . . . . . . . . . . . . . . . . . . . . . . . . .Electronic Ignition Lock
eip . . . . . . . . . . . . . . . . . . . . . . . . .Electrically instructed person
ELV . . . . . . . . . . . . . . . . . . . . . . . .Electronic Steering Locking Device (In German - Elektronische Lenksäulenverriegelung)
EM . . . . . . . . . . . . . . . . . . . . . . . . .Electric Machine
EMC . . . . . . . . . . . . . . . . . . . . . . . .Electro Magnetic Compatibility
EOD . . . . . . . . . . . . . . . . . . . . . . . .End of Day
EPA . . . . . . . . . . . . . . . . . . . . . . . .Environmental Protection Agency (USA Emissions)
EPB . . . . . . . . . . . . . . . . . . . . . . . .Electronic Park Brake (In German - Elektrische Parkbremse)
EPROM . . . . . . . . . . . . . . . . . . . . .Erasable Programmable Read Only Memory
EPS . . . . . . . . . . . . . . . . . . . . . . . .Electomechanical Power Steering
ePTM . . . . . . . . . . . . . . . . . . . . . . .Electric Porsche Traction Management
ERL . . . . . . . . . . . . . . . . . . . . . . . .Energy Requirement Level (Energy Efficiency Measurement)
ESCA . . . . . . . . . . . . . . . . . . . . . . .Electrical Steering Column Adjustment
ESCL . . . . . . . . . . . . . . . . . . . . . . .Electric Steering Column Lock
ESD . . . . . . . . . . . . . . . . . . . . . . . .Electro-Static Discharge
ESL . . . . . . . . . . . . . . . . . . . . . . . .Electromechanical Steering Lock
ESP . . . . . . . . . . . . . . . . . . . . . . . .Electrically Skilled Person
EST . . . . . . . . . . . . . . . . . . . . . . . .Eastern Standard Time (Also see ET)
ET . . . . . . . . . . . . . . . . . . . . . . . . . .Eastern Time
ET . . . . . . . . . . . . . . . . . . . . . . . . . .Elapse Time
ET . . . . . . . . . . . . . . . . . . . . . . . . . .E-Throttle
ETA . . . . . . . . . . . . . . . . . . . . . . . .Estimated Time of Arrival
EU . . . . . . . . . . . . . . . . . . . . . . . . .European Union
EU4 . . . . . . . . . . . . . . . . . . . . . . . .European Emission Standards (Emissions)
EVAP . . . . . . . . . . . . . . . . . . . . . . .Evaporative Emission System (Emissions)
EVLS . . . . . . . . . . . . . . . . . . . . . . .Electronic Adjustable Steering (In German - Elektronisch Verstellbare Lenksäule)
EVSE . . . . . . . . . . . . . . . . . . . . . . .Electric Vehicle Supply Equipment
EZS . . . . . . . . . . . . . . . . . . . . . . . .Electronic Ignition Switch In German - Elektronisches Zuendschloß)
F . . . . . . . . . . . . . . . . . . . . . . . . . . .Fahrenheit (Temperature)
FA . . . . . . . . . . . . . . . . . . . . . . . . . .Front Axle (In German - Vorderackse)
FCWP . . . . . . . . . . . . . . . . . . . . . .Forward Collision Warning for Pedestrians
FDR . . . . . . . . . . . . . . . . . . . . . . . .Handling Dymanic Control
FEE . . . . . . . . . . . . . . . . . . . . . . . .Front-End Electronics
FELV . . . . . . . . . . . . . . . . . . . . . . .Functional Extra-Low Voltage
FES5 . . . . . . . . . . . . . . . . . . . . . . .Camshaft
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Acronym
Description
FFB . . . . . . . . . . . . . . . . . . . . . . . .Remote Key
FLA . . . . . . . . . . . . . . . . . . . . . . . .High Beam Assist (In German - Fernlicht-Assistent)
FLVV . . . . . . . . . . . . . . . . . . . . . . .Fill Limit Ventilation Valve
FM . . . . . . . . . . . . . . . . . . . . . . . . .Frequency Modulation (Radio Communication)
FMVSS . . . . . . . . . . . . . . . . . . . . .Federal Motor Vehicle Safety Standard (USA)
FOB . . . . . . . . . . . . . . . . . . . . . . . .Freight On-Board
FOT . . . . . . . . . . . . . . . . . . . . . . . .Fiber Optics Transmitter
FR . . . . . . . . . . . . . . . . . . . . . . . . . .Flat Rate (Repair Hours)
FR . . . . . . . . . . . . . . . . . . . . . . . . . .FlexRay
ft lb . . . . . . . . . . . . . . . . . . . . . . . .Footpound (Torque measurement)
FTIV . . . . . . . . . . . . . . . . . . . . . . . .Fuel Tank Isolation Valve
FTM . . . . . . . . . . . . . . . . . . . . . . . .Field Technical Manager
Gal . . . . . . . . . . . . . . . . . . . . . . . . .Gallon
GAWR . . . . . . . . . . . . . . . . . . . . . .Gross Axle Weight Rating
GB . . . . . . . . . . . . . . . . . . . . . . . . .Gigabyte
GCA . . . . . . . . . . . . . . . . . . . . . . . .Gulf Coast America (Houston, Texas Port)
GEN . . . . . . . . . . . . . . . . . . . . . . . .Generator
GIM . . . . . . . . . . . . . . . . . . . . . . . .Global Inventory Management
GLW . . . . . . . . . . . . . . . . . . . . . . .Continous Headlight Range Control
GM . . . . . . . . . . . . . . . . . . . . . . . . .General Manager
GMA . . . . . . . . . . . . . . . . . . . . . . .Gas Metal Arc
GNC . . . . . . . . . . . . . . . . . . . . . . . .Gas Nitro Carbonizing
GND . . . . . . . . . . . . . . . . . . . . . . . .Ground
GP . . . . . . . . . . . . . . . . . . . . . . . . .Gross Profit
GPF . . . . . . . . . . . . . . . . . . . . . . . .Gasoline Particulate Filter (In German - Petrol Particulate Filter PPF)
GPS . . . . . . . . . . . . . . . . . . . . . . . .Global Positioning System
g . . . . . . . . . . . . . . . . . . . . . . . . . . .Gram
gr . . . . . . . . . . . . . . . . . . . . . . . . . .Gram
GT . . . . . . . . . . . . . . . . . . . . . . . . .Grand Tourisimo
GVWR . . . . . . . . . . . . . . . . . . . . . .Gross Vehicle Weight Rating
H20 . . . . . . . . . . . . . . . . . . . . . . . .Water
H . . . . . . . . . . . . . . . . . . . . . . . . . . .Rear (In German Hinten means Rear)
HA . . . . . . . . . . . . . . . . . . . . . . . . .Hinterackse (In English - - Rear Axle)
HAL . . . . . . . . . . . . . . . . . . . . . . . .Hintenackselenkung (In English means - Rear Axle Steering)
HBA . . . . . . . . . . . . . . . . . . . . . . . .Headlight Beam Adjustment
HC . . . . . . . . . . . . . . . . . . . . . . . . .Hydrocarbon
HCUT . . . . . . . . . . . . . . . . . . . . . .Hydraulic Control Unit for Transmission
HF . . . . . . . . . . . . . . . . . . . . . . . . .Hydrogen Fluoride
HFM . . . . . . . . . . . . . . . . . . . . . . . .Hot Film Mass Airflow Sensor
HFP . . . . . . . . . . . . . . . . . . . . . . . .Hands Free Profile
HMI . . . . . . . . . . . . . . . . . . . . . . . .Human/Machine Interface
HOC . . . . . . . . . . . . . . . . . . . . . . . .Hang-on Clutch (Transfer Case)
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Acronym
Description
HP . . . . . . . . . . . . . . . . . . . . . . . . .Horsepower
HSA . . . . . . . . . . . . . . . . . . . . . . . .Hill Start Assist
HSB . . . . . . . . . . . . . . . . . . . . . . .Main Fusebox (In German - Hauptsicherungsbox)
HPHB . . . . . . . . . . . . . . . . . . . . . .High-Performance Hybrid Brake System
HSI . . . . . . . . . . . . . . . . . . . . . . . . .Hot Side Inside
HT . . . . . . . . . . . . . . . . . . . . . . . . .High Temperature
HTD . . . . . . . . . . . . . . . . . . . . . . . .Heavy Torque Drive
HUD . . . . . . . . . . . . . . . . . . . . . . . .Head-Up Display
HV . . . . . . . . . . . . . . . . . . . . . . . . .High Voltage
HVAC . . . . . . . . . . . . . . . . . . . . . .Heating, Ventilation and Air Conditioning System
HVB . . . . . . . . . . . . . . . . . . . . . . . .High Voltage Battery
HVC . . . . . . . . . . . . . . . . . . . . . . . .Hydraulic Valve Clearance
HVE . . . . . . . . . . . . . . . . . . . . . . . .High Voltage Expert
HV-EM . . . . . . . . . . . . . . . . . . . . .High-Voltage Energy Management
HVIL . . . . . . . . . . . . . . . . . . . . . . .High-Voltage Interlock
HVV . . . . . . . . . . . . . . . . . . . . . . . .High Voltage Vehicle
HVT . . . . . . . . . . . . . . . . . . . . . . . .High Voltage Technician
HWE . . . . . . . . . . . . . . . . . . . . . . .Rear End Electronic)
HWS . . . . . . . . . . . . . . . . . . . . . . .Headlight Washer System
Hz . . . . . . . . . . . . . . . . . . . . . . . . .Hertz (Cycle per second electric frequency measurement)
IAC . . . . . . . . . . . . . . . . . . . . . . . . .Idle Air Control
IACV . . . . . . . . . . . . . . . . . . . . . . .Idle Air Control Valve
IAGK . . . . . . . . . . . . . . . . . . . . . . .Integrated Exhaust Manifold
IAT . . . . . . . . . . . . . . . . . . . . . . . . .Intake AIr Temperature
ICAC . . . . . . . . . . . . . . . . . . . . . . .Indirect Charge Air-Cooler
ID . . . . . . . . . . . . . . . . . . . . . . . . . .Inside Diameter
ID . . . . . . . . . . . . . . . . . . . . . . . . . .Identification
IE . . . . . . . . . . . . . . . . . . . . . . . . . .Internet Explorer (Microsoft)
IFC . . . . . . . . . . . . . . . . . . . . . . . . .Infinite Fan Control (Engine Cooling)
IGBT . . . . . . . . . . . . . . . . . . . . . . .Insulated-Gate Bipolar Transistor
IGN . . . . . . . . . . . . . . . . . . . . . . . . .Ignition
IHE . . . . . . . . . . . . . . . . . . . . . . . . .Internal Heat Exchanger
ILT . . . . . . . . . . . . . . . . . . . . . . . . .Instructor Led Training
INC . . . . . . . . . . . . . . . . . . . . . . . . .Integrated Inclination Sensor
IPCU . . . . . . . . . . . . . . . . . . . . . . .Image Processing Control Unit
IRF . . . . . . . . . . . . . . . . . . . . . . . . .Independent Repair Facility
ISO . . . . . . . . . . . . . . . . . . . . . . . . .International Standards Organization
ISP . . . . . . . . . . . . . . . . . . . . . . . . .Intelligent Shift Program
IT . . . . . . . . . . . . . . . . . . . . . . . . . .Information Technology
JPEG . . . . . . . . . . . . . . . . . . . . . . .Joint Photographic Experts Group
KBA . . . . . . . . . . . . . . . . . . . . . . . .Camera Based Assistant Function
KERS . . . . . . . . . . . . . . . . . . . . . . .Kinectic Energy Recovery System
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II. Common Automotive, Engineering, and Other Acronyms and Abbreviations used at Porsche (cont’d)
Acronym
Description
kg . . . . . . . . . . . . . . . . . . . . . . . . . .Kilogram
kg/h . . . . . . . . . . . . . . . . . . . . . . . .Kilogram per Hour (Volume Flow Measurement)
KL . . . . . . . . . . . . . . . . . . . . . . . . . .Leatherette - Imitation Leather (KL in commonly used in the parts catalogs)
KLSM . . . . . . . . . . . . . . . . . . . . . .Steering Column Switch Modul (In German - Kombi Lenkstockmodul)
km . . . . . . . . . . . . . . . . . . . . . . . . .Kilometer
km/h (kmh) . . . . . . . . . . . . . . . . .Kilometers Per Hour (Speed Measurement, can also be kmph or kph)
kmph . . . . . . . . . . . . . . . . . . . . . . .Kilometers Per Hour (Speed Measurement, can also be km/h or kph)
kp . . . . . . . . . . . . . . . . . . . . . . . . . .Kilopond = kilogram
kPa . . . . . . . . . . . . . . . . . . . . . . . . .Kilopascal
kph . . . . . . . . . . . . . . . . . . . . . . . . .Kilometers Per Hour (Speed Measurement, can also be km/h or kmph)
KPI . . . . . . . . . . . . . . . . . . . . . . . . .Key Performance Indicator (Service Management)
KPI . . . . . . . . . . . . . . . . . . . . . . . . .Kingpin Inclination
KS . . . . . . . . . . . . . . . . . . . . . . . . .Knock Sensor
KS . . . . . . . . . . . . . . . . . . . . . . . . .Komponente Sicherheit (In English - “Component Security”)
KW . . . . . . . . . . . . . . . . . . . . . . . . .Kurbelwelle (In English - Crankshaft)
kW . . . . . . . . . . . . . . . . . . . . . . . . .Kilowatt
KWP . . . . . . . . . . . . . . . . . . . . . . .Key Word Protocoll
L . . . . . . . . . . . . . . . . . . . . . . . . . . .Leather - Leather (L in commonly used in the parts catalogs)
l . . . . . . . . . . . . . . . . . . . . . . . . . . . .Liter
L . . . . . . . . . . . . . . . . . . . . . . . . . . .Left
LAN . . . . . . . . . . . . . . . . . . . . . . . .Local Area Network
lb . . . . . . . . . . . . . . . . . . . . . . . . . .Pound
LCA . . . . . . . . . . . . . . . . . . . . . . . .Lane Change Assist
LDP . . . . . . . . . . . . . . . . . . . . . . . .Leak Diagnosis Pump (Emissions)
LDS . . . . . . . . . . . . . . . . . . . . . . . .Rotary Light Switch (In German - Lichtdrehschalter)
LDW . . . . . . . . . . . . . . . . . . . . . . .Lane Departure Warning
LED . . . . . . . . . . . . . . . . . . . . . . . .Light Emitting Diode
LEIMO . . . . . . . . . . . . . . . . . . . . . .Performance Module
LEV . . . . . . . . . . . . . . . . . . . . . . . .USA Emission Standards (Low Emissions Vehicle)
LFpM . . . . . . . . . . . . . . . . . . . . . . .Linear Feet per Minute
LGI . . . . . . . . . . . . . . . . . . . . . . . . .Local Hazard Information
LH . . . . . . . . . . . . . . . . . . . . . . . . .Left Hand
LHD . . . . . . . . . . . . . . . . . . . . . . . .Left Hand Drive (In German - Linkslenker)
Li-ion . . . . . . . . . . . . . . . . . . . . . . .Lithium-ion Battery
LIN . . . . . . . . . . . . . . . . . . . . . . . . .Local Interconnect Network
LKA . . . . . . . . . . . . . . . . . . . . . . . .Lane Keep Assist
LKS . . . . . . . . . . . . . . . . . . . . . . . .Lane Keeping Support
LL . . . . . . . . . . . . . . . . . . . . . . . . . .Linkslenker (In English - Left Hand Drive)
LO . . . . . . . . . . . . . . . . . . . . . . . . .Labor Operation
LRF . . . . . . . . . . . . . . . . . . . . . . . .Laser Range Finder
LRP . . . . . . . . . . . . . . . . . . . . . . . .Long Range Planning
LRS . . . . . . . . . . . . . . . . . . . . . . . .Load Response Start
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Acronym
Description
LSA System . . . . . . . . . . . . . . . . .L=Lighweight, S=Stable, A=Agile
LSF . . . . . . . . . . . . . . . . . . . . . . . .Oxygen Sensor - After Catalytic Converter (In German - Luft Sensor Flat planar type)
LSG . . . . . . . . . . . . . . . . . . . . . . . .Laminated Safety Glass
LSU . . . . . . . . . . . . . . . . . . . . . . . .Oxygen Sensor - Before Catalytic Converter (In German - Luft Sensor Universal wide band)
LT . . . . . . . . . . . . . . . . . . . . . . . . . .Low Temperature
LTE . . . . . . . . . . . . . . . . . . . . . . . .LongTerm Evolution (Term used in wireless internet access)
LV-EM . . . . . . . . . . . . . . . . . . . . . .Low-Voltage Energy Management
LVDS . . . . . . . . . . . . . . . . . . . . . . .Low Voltage Differential Signal
LWS . . . . . . . . . . . . . . . . . . . . . . . .Steering Angle Sensor (In German - Lenkwinkel-Sensor)
MAF . . . . . . . . . . . . . . . . . . . . . . . .Mass Airflow Sensor
MAP . . . . . . . . . . . . . . . . . . . . . . . .Message Access Profile
MB . . . . . . . . . . . . . . . . . . . . . . . . .Megabyte
mbar . . . . . . . . . . . . . . . . . . . . . . .Millibar (Pressure Measurement)
MBTU . . . . . . . . . . . . . . . . . . . . . .Million British Thermal Units
MDT . . . . . . . . . . . . . . . . . . . . . . . .Mountain Daylight Time
ME . . . . . . . . . . . . . . . . . . . . . . . . .Motor Electronics
MECOSA . . . . . . . . . . . . . . . . . . .Mechanically Converted Shift Actuator
MFB . . . . . . . . . . . . . . . . . . . . . . . .Main Fuse Box
MFL . . . . . . . . . . . . . . . . . . . . . . .Multi Functional Steering Wheel (In German - Multi Funktions Lenkrad)
MHz . . . . . . . . . . . . . . . . . . . . . . . .Megahertz (One Million Cycles per second electric frequency measurement)
Mj . . . . . . . . . . . . . . . . . . . . . . . . . .Modeljahr (In english - Model Year)
MI . . . . . . . . . . . . . . . . . . . . . . . . . .Maintenance Initiative
MIL . . . . . . . . . . . . . . . . . . . . . . . .Malfunction Indicator Light (Check Engine light)
MKB . . . . . . . . . . . . . . . . . . . . . . .German acronym for Multi-collision Brake
ml . . . . . . . . . . . . . . . . . . . . . . . . . .Milliliter
MLB . . . . . . . . . . . . . . . . . . . . . . . .Modular Longitudinal Matrix (VW Group platform term)
mm . . . . . . . . . . . . . . . . . . . . . . . .Millimeters
MMI . . . . . . . . . . . . . . . . . . . . . . . .Man/Machine Interface
MOD . . . . . . . . . . . . . . . . . . . . . . .Mobile Online Services (In German - Mobile Online Dienste)
MON . . . . . . . . . . . . . . . . . . . . . . .Motor Octane Number (Fuel Octane Rating)
MOS . . . . . . . . . . . . . . . . . . . . . . .Mobile Online Services
MOST . . . . . . . . . . . . . . . . . . . . . .Media Oriented System Transport (Communications)
MoVD . . . . . . . . . . . . . . . . . . . . . .Maintenance of Vehicle Data
mpg . . . . . . . . . . . . . . . . . . . . . . .Miles Per Gallon
mph . . . . . . . . . . . . . . . . . . . . . . . .Miles Per Hour
MPI . . . . . . . . . . . . . . . . . . . . . . . .Multi Port Injection
MRF . . . . . . . . . . . . . . . . . . . . . . . .Magnetorheological Fluid
ms . . . . . . . . . . . . . . . . . . . . . . . . .Millisecond (Time Measurement)
MSDS . . . . . . . . . . . . . . . . . . . . . .Material Safety Data Sheet
MFS . . . . . . . . . . . . . . . . . . . . . . . .Multifunction Sensor Light
MSCA . . . . . . . . . . . . . . . . . . . . . .Manual Steering Column Adjustment
MSR . . . . . . . . . . . . . . . . . . . . . . . .Engine Drag-torque Control (Also EDC or EDTC)
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Acronym
Description
MST . . . . . . . . . . . . . . . . . . . . . . . .Mountain Standard Time (Also see MT)
MT . . . . . . . . . . . . . . . . . . . . . . . . .Mountain Time
MT . . . . . . . . . . . . . . . . . . . . . . . . .Manual Transmission
MTL . . . . . . . . . . . . . . . . . . . . . . . .Mobile Technical Library
MTP . . . . . . . . . . . . . . . . . . . . . . . .Media Transfer Protocol
MU . . . . . . . . . . . . . . . . . . . . . . . . .Material Units
mV . . . . . . . . . . . . . . . . . . . . . . . . .Millivolt
MY . . . . . . . . . . . . . . . . . . . . . . . . .Model Year (In German - Modeljahr)
NA . . . . . . . . . . . . . . . . . . . . . . . . .Not Applicable
NA . . . . . . . . . . . . . . . . . . . . . . . . .North America
NACA . . . . . . . . . . . . . . . . . . . . . .National Advisory Committee for Aeronautics
NAR . . . . . . . . . . . . . . . . . . . . . . . .North American Region
NEA . . . . . . . . . . . . . . . . . . . . . . . .Northeast America (Baltimore, Maryland Port)
NEDC . . . . . . . . . . . . . . . . . . . . . .New European Driving Cycle
NEFZ . . . . . . . . . . . . . . . . . . . . . . .The German acroynm for Neuer Europäuscher Fahr Zykles (English acroynm is NEDC)
NHTSA . . . . . . . . . . . . . . . . . . . . .National Highway Traffic Safety Administration (USA)
NLA . . . . . . . . . . . . . . . . . . . . . . . .No Longer Available
nm . . . . . . . . . . . . . . . . . . . . . . . . .Nanometers
Nm . . . . . . . . . . . . . . . . . . . . . . . . .Newton Meters (Torque measurement)
NML . . . . . . . . . . . . . . . . . . . . . . . .No Longer Available
NOX . . . . . . . . . . . . . . . . . . . . . . . .Oxides of Nitrogen
NTC . . . . . . . . . . . . . . . . . . . . . . . .Negative Temperature Coefficient
NTCI . . . . . . . . . . . . . . . . . . . . . . .Intake Air Temperature Sensor
NTCII . . . . . . . . . . . . . . . . . . . . . . .Engine Coolant Temperature Sensor
NTF . . . . . . . . . . . . . . . . . . . . . . . .No Trouble Found
NV . . . . . . . . . . . . . . . . . . . . . . . . .Night Vision
NVH . . . . . . . . . . . . . . . . . . . . . . . .Noise, Vibration & Harshness
NVLD . . . . . . . . . . . . . . . . . . . . . . .Natural Vacuum Leak Detection
NVS . . . . . . . . . . . . . . . . . . . . . . . .Camshaft Timing
O . . . . . . . . . . . . . . . . . . . . . . . . . . .Top (In German Oben means Top)
OAU . . . . . . . . . . . . . . . . . . . . . . . .Operating Air-conditioning Unit
OBC . . . . . . . . . . . . . . . . . . . . . . . .On-Board Computer
OBD . . . . . . . . . . . . . . . . . . . . . . . .On-Board Diagnostics (Later version OBD ll)
OD . . . . . . . . . . . . . . . . . . . . . . . . .Outside Diameter
OE . . . . . . . . . . . . . . . . . . . . . . . . .Original Equipment
OEM . . . . . . . . . . . . . . . . . . . . . . . .Original Equipment Manufacturer
OM . . . . . . . . . . . . . . . . . . . . . . . . .Owner’s Manual
OQ . . . . . . . . . . . . . . . . . . . . . . . . .Optional Question
ORS . . . . . . . . . . . . . . . . . . . . . . . .Off-Road Stability (Off-road anti-roll bar)
ORVR . . . . . . . . . . . . . . . . . . . . . . .On-board Refueling Vapor Recovery
OS2 . . . . . . . . . . . . . . . . . . . . . . . .Oxygen Sensor
OSC . . . . . . . . . . . . . . . . . . . . . . . .Oxygen Storage Capacity
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Acronym
Description
OTC . . . . . . . . . . . . . . . . . . . . . . . .Over The Counter
oz . . . . . . . . . . . . . . . . . . . . . . . . . .Ounce
p . . . . . . . . . . . . . . . . . . . . . . . . . . .Pressure
PA . . . . . . . . . . . . . . . . . . . . . . . . .Prior Approval (PDMS related)
PAO . . . . . . . . . . . . . . . . . . . . . . . .Passenger Airbag Off
PB . . . . . . . . . . . . . . . . . . . . . . . . .Power Brakes
PC . . . . . . . . . . . . . . . . . . . . . . . . .Printed Circuit
PCV . . . . . . . . . . . . . . . . . . . . . . . .Positive Crankcase Ventilation
PCV . . . . . . . . . . . . . . . . . . . . . . . .Pressure Control Valve
PDC . . . . . . . . . . . . . . . . . . . . . . . .Parts Distribution Center
PDC . . . . . . . . . . . . . . . . . . . . . . . .Park Distance Control (In German - Parkassistent)
PDF . . . . . . . . . . . . . . . . . . . . . . . .Portable Document File (Adobe Systems)
PDI . . . . . . . . . . . . . . . . . . . . . . . . .Pre-Delivery Inspection
PDT . . . . . . . . . . . . . . . . . . . . . . . .Pacific Daylight Time
PE . . . . . . . . . . . . . . . . . . . . . . . . . .Protective Earth
PEN . . . . . . . . . . . . . . . . . . . . . . . .Protective Earth Neutral
PFC . . . . . . . . . . . . . . . . . . . . . . . .Power Factor Corrector
PHEV . . . . . . . . . . . . . . . . . . . . . . .Plug-in Hybrid Electric Vehicle
PID . . . . . . . . . . . . . . . . . . . . . . . . .Parts ID
PIN . . . . . . . . . . . . . . . . . . . . . . . . .Personal Identification Number
PLCD . . . . . . . . . . . . . . . . . . . . . . .Permanent Magnetic Linear Contactless Displacement Sensor
PLG . . . . . . . . . . . . . . . . . . . . . . . .Power Lift Tailgate
plsol . . . . . . . . . . . . . . . . . . . . . . . .Turbocharger boost pressure in mbar
PM . . . . . . . . . . . . . . . . . . . . . . . . .Parts Manager
PN . . . . . . . . . . . . . . . . . . . . . . . . .Part Number
PNCS . . . . . . . . . . . . . . . . . . . . . . .Pirelli Noise Cancelling System
POD . . . . . . . . . . . . . . . . . . . . . . . .Print On Demand
POE . . . . . . . . . . . . . . . . . . . . . . . .Program of Events
POI . . . . . . . . . . . . . . . . . . . . . . . . .Point of Interest
PP . . . . . . . . . . . . . . . . . . . . . . . . .Proximity Pilot
PPD . . . . . . . . . . . . . . . . . . . . . . . .Passenger Presence Detector
PPE . . . . . . . . . . . . . . . . . . . . . . . .Personal Protective Equipment
PPF . . . . . . . . . . . . . . . . . . . . . . . .See GPF
PPM . . . . . . . . . . . . . . . . . . . . . . . .Parts Per Million
PR . . . . . . . . . . . . . . . . . . . . . . . . .Public Relations
PROM . . . . . . . . . . . . . . . . . . . . . .Program Read Only Memory
PRS . . . . . . . . . . . . . . . . . . . . . . . .Panoramic Roof System
PS . . . . . . . . . . . . . . . . . . . . . . . . .Parts Specialist
PS . . . . . . . . . . . . . . . . . . . . . . . . .Power Steering
PSG . . . . . . . . . . . . . . . . . . . . . . . .Pressure Sensor Glow Plug
PSI . . . . . . . . . . . . . . . . . . . . . . . . .Pounds per Square Inch (Pressure Measurement)
PSI . . . . . . . . . . . . . . . . . . . . . . . . .Purchase Satisfaction Index
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Acronym
Description
PSS . . . . . . . . . . . . . . . . . . . . . . . .Purchase Satisfaction Survey
PST . . . . . . . . . . . . . . . . . . . . . . . .Pacific Standard Time (Also see PT)
pt . . . . . . . . . . . . . . . . . . . . . . . . . .Pint
PT . . . . . . . . . . . . . . . . . . . . . . . . . .Pacific Time
PTC . . . . . . . . . . . . . . . . . . . . . . . .Positive Temperature Coefficient
PTL . . . . . . . . . . . . . . . . . . . . . . . .Peak Torque Limiter
PTS . . . . . . . . . . . . . . . . . . . . . . . .Pedal Travel Sensor
PTWA . . . . . . . . . . . . . . . . . . . . . .Plasma Transfer Wire Arc
PU . . . . . . . . . . . . . . . . . . . . . . . . .Polyurethane
PULS . . . . . . . . . . . . . . . . . . . . . . .Packaged Ultrasonic Level Sensor
PVB . . . . . . . . . . . . . . . . . . . . . . . .Polyvinyl Butyral
PVC . . . . . . . . . . . . . . . . . . . . . . . .Polyvinyl Chloride
PW . . . . . . . . . . . . . . . . . . . . . . . . .Password
PWR . . . . . . . . . . . . . . . . . . . . . . .Pulse Inverter
PWM . . . . . . . . . . . . . . . . . . . . . . .Pulse Width Modulated
q . . . . . . . . . . . . . . . . . . . . . . . . . . .Quantity
QR . . . . . . . . . . . . . . . . . . . . . . . . .Quick Reference
QT . . . . . . . . . . . . . . . . . . . . . . . . .Quart
QVGA . . . . . . . . . . . . . . . . . . . . . .Quarter Video Graphics Array
R . . . . . . . . . . . . . . . . . . . . . . . . . .Right
RA . . . . . . . . . . . . . . . . . . . . . . . . .Rear Axle (In German - Hinterackse)
RAM . . . . . . . . . . . . . . . . . . . . . . . .Random Access Memory
RAS . . . . . . . . . . . . . . . . . . . . . . . .Rear Axle Steering
RASM . . . . . . . . . . . . . . . . . . . . . .Regional AfterSales Manager (Also RAM)
RC . . . . . . . . . . . . . . . . . . . . . . . . .Remote Control
RDK . . . . . . . . . . . . . . . . . . . . . . . .Reifendruckkontrolle (German acronym is RDK, TPM is English)
RDW . . . . . . . . . . . . . . . . . . . . . . .Rest der Welt (German meaning and not for USA) (or English meaning ROW - Rest of the World)
REE . . . . . . . . . . . . . . . . . . . . . . . .Rear-End Electronics
RF . . . . . . . . . . . . . . . . . . . . . . . . . .Radio Frequency
RF . . . . . . . . . . . . . . . . . . . . . . . . . .Returnless Fuel System
RF . . . . . . . . . . . . . . . . . . . . . . . . . .Run Flat Tires
RFC . . . . . . . . . . . . . . . . . . . . . . . .Request For Credit
RFK . . . . . . . . . . . . . . . . . . . . . . . .Backview Camera (In German Rueckfahrkamera)
RH . . . . . . . . . . . . . . . . . . . . . . . . .Right Hand
RHD . . . . . . . . . . . . . . . . . . . . . . . .Right Hand Drive (In German - Rechtslenker)
RL . . . . . . . . . . . . . . . . . . . . . . . . . .Rechtslenker (In English - Right Hand Drive)
RLF . . . . . . . . . . . . . . . . . . . . . . . .Rain Light Humidity Sensor (In German - Regen Licht Feuchtesensor)
RLFS . . . . . . . . . . . . . . . . . . . . . . .ReturnLess Fuel System
RLS . . . . . . . . . . . . . . . . . . . . . . . .Rotary Light Switch
RM . . . . . . . . . . . . . . . . . . . . . . . . .Regional Manager
RM . . . . . . . . . . . . . . . . . . . . . . . . .Repair Manual
RO . . . . . . . . . . . . . . . . . . . . . . . . .Repair Order
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Acronym
Description
RON . . . . . . . . . . . . . . . . . . . . . . . .Research Octane Number (Fuel Octane Rating)
ROV . . . . . . . . . . . . . . . . . . . . . . . .Roll-over Valve
ROW . . . . . . . . . . . . . . . . . . . . . . .Rest of the World (Not USA) (In German RDW - Rest der Welt)
RPM . . . . . . . . . . . . . . . . . . . . . . . .Revolutions Per Minute
RSS . . . . . . . . . . . . . . . . . . . . . . . .Radio Station System
RTM . . . . . . . . . . . . . . . . . . . . . . . .Resin Transfer Molding Process
RTP . . . . . . . . . . . . . . . . . . . . . . . .Retail Target Plan
RTS . . . . . . . . . . . . . . . . . . . . . . . .Roof Transport System (Roof Rack)
RTTI . . . . . . . . . . . . . . . . . . . . . . . .Real Time Traffic Information
RTV . . . . . . . . . . . . . . . . . . . . . . . .Real Top View
RWD . . . . . . . . . . . . . . . . . . . . . . .Rear Wheel Drive
SA4 . . . . . . . . . . . . . . . . . . . . . . . .Severe Wear
SA . . . . . . . . . . . . . . . . . . . . . . . . .Service Advisor
SA . . . . . . . . . . . . . . . . . . . . . . . . .Service Action (Now called Workshop Campaign)
SAD . . . . . . . . . . . . . . . . . . . . . . .Sliding Lift Roof (In German - Schiebe-Ausstell-Dach)
SAE . . . . . . . . . . . . . . . . . . . . . . . .Society of Automotive Engineers
SAFE . . . . . . . . . . . . . . . . . . . . . . .Sales Funnel Excellence (Sales lead management)
SAI . . . . . . . . . . . . . . . . . . . . . . . . .Steering Axis Inclination
SAS . . . . . . . . . . . . . . . . . . . . . . . .Steering Angle Sensor
SBS . . . . . . . . . . . . . . . . . . . . . . . .Snap-on Business Solutions
SCR . . . . . . . . . . . . . . . . . . . . . . . .Selective Catalytic Reduction
SDAR . . . . . . . . . . . . . . . . . . . . . . .Satellite Digital Audio Radio Service
SDARS . . . . . . . . . . . . . . . . . . . . .Satellite Digital Audio Radio Service (XMRadio)
SEA . . . . . . . . . . . . . . . . . . . . . . . .Southeast America (Jacksonville, Florida Port)
SELV . . . . . . . . . . . . . . . . . . . . . . .Safety Extra-Low Voltage
SENT . . . . . . . . . . . . . . . . . . . . . . .Single Edge Nibble Transmission
SIR . . . . . . . . . . . . . . . . . . . . . . . . .Supplemental Inflatable Restraint (Airbag)
SM . . . . . . . . . . . . . . . . . . . . . . . . .Sales Manager
SM . . . . . . . . . . . . . . . . . . . . . . . . .Service Manager
SMART . . . . . . . . . . . . . . . . . . . . .Sales, Marketing, and AfterSales Reporting Tool
SMC . . . . . . . . . . . . . . . . . . . . . . . .Sheet Module Compound
SML . . . . . . . . . . . . . . . . . . . . . . . .Side Marker Light
SMS . . . . . . . . . . . . . . . . . . . . . . . .Short Message Service
SoC . . . . . . . . . . . . . . . . . . . . . . . .State of Charge
SOC . . . . . . . . . . . . . . . . . . . . . . . .Security Operations Center
SOC . . . . . . . . . . . . . . . . . . . . . . . .Service Operations Center
SOH . . . . . . . . . . . . . . . . . . . . . . . .State of Health
SOHC . . . . . . . . . . . . . . . . . . . . . .Single Overhead Camshafts
SOP . . . . . . . . . . . . . . . . . . . . . . . .Start of Production
SRS . . . . . . . . . . . . . . . . . . . . . . . .Supplemental Restraint System (Airbag)
SS . . . . . . . . . . . . . . . . . . . . . . . . .Stainless Steel
SSI . . . . . . . . . . . . . . . . . . . . . . . . .Sales Satisfaction Index
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Acronym
Description
SSI . . . . . . . . . . . . . . . . . . . . . . . . .Single Spring Isolator
SSID . . . . . . . . . . . . . . . . . . . . . . .Service Set IDentifier
SSP . . . . . . . . . . . . . . . . . . . . . . . .Satellite Service Provider
SSS . . . . . . . . . . . . . . . . . . . . . . . .Service Satisfaction Survey
STH . . . . . . . . . . . . . . . . . . . . . . . .Park Heating (In German -Stand Heizung)
SUV . . . . . . . . . . . . . . . . . . . . . . . .Sport Utility Vehicle
SWA . . . . . . . . . . . . . . . . . . . . . . .Lane Change Assist (In German - Spur Wechsel Assistent)
SWSG . . . . . . . . . . . . . . . . . . . . . .Headlight Control Unit (In German - Scheinwerfersteuergerät)
t . . . . . . . . . . . . . . . . . . . . . . . . . . .time
TB . . . . . . . . . . . . . . . . . . . . . . . . .Throttle Body
TBA . . . . . . . . . . . . . . . . . . . . . . . .To Be Announced
TBD . . . . . . . . . . . . . . . . . . . . . . . .To Be Determined
TBI . . . . . . . . . . . . . . . . . . . . . . . . .Throttle Body Injection
TC . . . . . . . . . . . . . . . . . . . . . . . . .Traction Control
TC . . . . . . . . . . . . . . . . . . . . . . . . .Turbo Charger
TDC . . . . . . . . . . . . . . . . . . . . . . . .Top Dead Center
TE . . . . . . . . . . . . . . . . . . . . . . . . . .Technical Evaluation (Used in PQIS)
TE . . . . . . . . . . . . . . . . . . . . . . . . . .Transmission Electronics
TFT . . . . . . . . . . . . . . . . . . . . . . . .Thin-Film Transistor
TH . . . . . . . . . . . . . . . . . . . . . . . . .Tow Hook
TI . . . . . . . . . . . . . . . . . . . . . . . . . .Technical Information Bulletin
TIF . . . . . . . . . . . . . . . . . . . . . . . . .Tagged Image File Format
TJA . . . . . . . . . . . . . . . . . . . . . . . . .Traffic Jam Assist
TM . . . . . . . . . . . . . . . . . . . . . . . . .Technical Manual
TME . . . . . . . . . . . . . . . . . . . . . . . .Thermanl Managemant Electric Drives
TMF . . . . . . . . . . . . . . . . . . . . . . . .Dual Mass Flywheel
TOC . . . . . . . . . . . . . . . . . . . . . . . .Table Of Contents
TPM . . . . . . . . . . . . . . . . . . . . . . . .Tire Pressure Monitoring System (German acronym is RDK, Reifendruckkontrolle)
TSM . . . . . . . . . . . . . . . . . . . . . . . .Two-State Modulation Switching Amplifier (Sound System)
TSM . . . . . . . . . . . . . . . . . . . . . . . .Trailer Stability Management
TSP . . . . . . . . . . . . . . . . . . . . . . . .Trailer Stability Program
TU . . . . . . . . . . . . . . . . . . . . . . . . .Time Units
TÜV . . . . . . . . . . . . . . . . . . . . . . . .Technical Inspection Association (In German - Technischer Überwachungs Verein)
TVV . . . . . . . . . . . . . . . . . . . . . . . .Tank Vent Valve
TWC . . . . . . . . . . . . . . . . . . . . . . .Three-Way Catalyst
U . . . . . . . . . . . . . . . . . . . . . . . . . . .Bottom (In German Unten means Bottom)
UAS . . . . . . . . . . . . . . . . . . . . . . . .Standard Audio Interface (Universal Audio Interface)
UBBL . . . . . . . . . . . . . . . . . . . . . . .Is German acronym for Manufacturer Certificate of Compliance
UGDO . . . . . . . . . . . . . . . . . . . . . .Universal Garage Door Opener
UHPT . . . . . . . . . . . . . . . . . . . . . . .Ultra High Performance Tire
USB . . . . . . . . . . . . . . . . . . . . . . . .Universal Serial BUS
USD . . . . . . . . . . . . . . . . . . . . . . . .United States Dollar
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Acronym
Description
ULEV . . . . . . . . . . . . . . . . . . . . . . .Ultra Low Emissions Vehicle
ULSD . . . . . . . . . . . . . . . . . . . . . . .Ultra Low Sulfer Diesel
UV . . . . . . . . . . . . . . . . . . . . . . . . .Ultra Violet Radiation
V . . . . . . . . . . . . . . . . . . . . . . . . . . .Front (In German Vorn means Front)
V . . . . . . . . . . . . . . . . . . . . . . . . . . .Voltage
VA . . . . . . . . . . . . . . . . . . . . . . . . .Vorderackse (In English - Front Axle)
VC . . . . . . . . . . . . . . . . . . . . . . . . .Vehicle Code
VC . . . . . . . . . . . . . . . . . . . . . . . . .VarioCam
VCI . . . . . . . . . . . . . . . . . . . . . . . . .Vehicle Communication Module
VCP . . . . . . . . . . . . . . . . . . . . . . . .VarioCam Plus
VDE . . . . . . . . . . . . . . . . . . . . . . . .Association of German Electrical Engineers
VECI . . . . . . . . . . . . . . . . . . . . . . . .Vehicle Emission Control Information
VES . . . . . . . . . . . . . . . . . . . . . . . .Vehicle Electrical System
VESCM . . . . . . . . . . . . . . . . . . . . .Vehicle Electrical System, Control Module
VHF . . . . . . . . . . . . . . . . . . . . . . . .Very High Frequency (Radio Communication)
VIN . . . . . . . . . . . . . . . . . . . . . . . . .Vehicle Identification Number
VIP . . . . . . . . . . . . . . . . . . . . . . . . .Virtual Pedal
VM . . . . . . . . . . . . . . . . . . . . . . . . .Voice Mail
VOC . . . . . . . . . . . . . . . . . . . . . . . .Volatile Organic Compounds
VOR . . . . . . . . . . . . . . . . . . . . . . . .Vehicle Off Road (Or Vehicle On Rack)
VPN . . . . . . . . . . . . . . . . . . . . . . . .Virtual Private Network
VR . . . . . . . . . . . . . . . . . . . . . . . . .Variable Intake Manifold Tuning System
VRLA . . . . . . . . . . . . . . . . . . . . . . .Valve Regulated Lead Acid Battery
VRU . . . . . . . . . . . . . . . . . . . . . . . .Voice Response System
VTG . . . . . . . . . . . . . . . . . . . . . . . .Variable Turbine Geometry
VTS . . . . . . . . . . . . . . . . . . . . . . . .Vehicle Tracking System (In German -Fahrzeugverfolgungssystem)
VVS . . . . . . . . . . . . . . . . . . . . . . . .Camshaft Lift
VWE . . . . . . . . . . . . . . . . . . . . . . .Front End Electronics Control Unit (In German - Vorderwagenelektronik)
VZA . . . . . . . . . . . . . . . . . . . . . . . .Traffic Sign View
VZE . . . . . . . . . . . . . . . . . . . . . . . .Traffic Sign Detection
VZO . . . . . . . . . . . . . . . . . . . . . . . .Traffic Sign Online
W . . . . . . . . . . . . . . . . . . . . . . . . . .Watts
WAP . . . . . . . . . . . . . . . . . . . . . . .Wire Application Protocol
WAW . . . . . . . . . . . . . . . . . . . . . . .Wind Deflector (In German - Windabweiser)
WD . . . . . . . . . . . . . . . . . . . . . . . .Wiring Diagrams
WE . . . . . . . . . . . . . . . . . . . . . . . . .Wheel Electronics
WLAN . . . . . . . . . . . . . . . . . . . . . .Wireless Local Area Network
WM . . . . . . . . . . . . . . . . . . . . . . . .Workshop Manual
WFS . . . . . . . . . . . . . . . . . . . . . . . .Wegfahrsperre (Drive away blocking system a.k.a. Immobilizer system))
WVGA . . . . . . . . . . . . . . . . . . . . . .Wide Video Graphics Array
ZAT . . . . . . . . . . . . . . . . . . . . . . . .Electronic Ignition Start Button
zFAS . . . . . . . . . . . . . . . . . . . . . . .Central Driving Assistance Control Unit
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Acronym
Description
ZZH . . . . . . . . . . . . . . . . . . . . . . . .Closing aid for doors (In German - Zuzieh-Hilfe)
Important Notice: Technical Bulletins issued by Porsche Cars North America, Inc. are intended only for use by professional automotive technicians who have attended Porsche service training courses. They are written
to inform those technicians of conditions that may occur on some Porsche vehicles, or to provide information that could assist in the proper servicing of a vehicle. Porsche special tools may be necessary in order to perform certain operations identified in these bulletins. Use of tools and procedures other than those Porsche recommends in these bulletins may be detrimental to the safe operation of your vehicle, and may endanger the
people working on it. Properly trained Porsche technicians have the equipment, tools, safety instructions, and know-how to do the job properly and safely. Part numbers listed in these bulletins are for reference only. The
work procedures updated electronically in the Porsche PIWIS diagnostic and testing device take precedence and, in the event of a discrepancy, the work procedures in the PIWIS Tester are the ones that must be followed.
©2021 Porsche Cars North America, Inc.
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