122-E3D6M-12

Cayenne (92A)
Technical Information
19/16
3978
Eliminating Symptoms in Body Interior: Reworking Wire Harness on Transfer Case
Servo Motor (Warning message "Fault All-wheel drive system" in the instrument
cluster)/SY1916)
ENU
3
General information
Symptom
The warning message "Fault All-wheel drive system" is displayed in the instrument cluster. Fault codes
can be stored in the fault memory of the all-wheel drive control unit.
Causes and remedial action
Cause
Due to incorrect sealing of the electric plug connection on the transfer case servo motor, moisture can
get into the connector. As a result, the contacts can become corroded.
Model Year:
As of 2011 up to 2017
Remedial
Action
In the event of a customer complaint, check the plug connection on the servo motor and the servo motor
itself for damage:
•
•
Tools:
If the electric plug connection on the transfer case servo motor is corroded, replace section of cable
including electric plug connection using a repair kit.
If the servo motor is damaged, replace section of cable including electric plug connection and
transfer case servo motor.
- PIWIS Tester
- Charger
Repairing electric plug connection on transfer case servo motor
Parts Info:
Cayenne (V6) Tiptronic
Cayenne S (V6) Tiptronic
Cayenne S Hybrid/S E-Hybrid
Cayenne GTS (V6) Tiptronic
Part No.
Designation
Qty.
000.043.989.70
 Transfer case cable repair kit
1 ea.
Work Procedure: 1
2
Lift the vehicle.  Workshop Manual '4X00IN Lifting the vehicle'
Release and disconnect electric plug connection  Repairing electric plug connection on transfer
case servo motor -2- on the transfer case servo motor  Repairing electric plug connection on
transfer case servo motor -3-.  Workshop Manual '397819 Removing and installing servo motor
on transfer gear'
2016© Porsche Cars North America, Inc.
AfterSales
Nov 18, 2016
Page 1 of 4
3
Cayenne (92A)
3978
ENU
Technical Information
19/16
3
Disconnect wire harness  Repairing electric plug connection on transfer case servo motor -1- in
the marked area  Repairing electric plug connection on transfer case servo motor -X-.
4
Attach new electric wire harness with electric plug connection  Repairing electric plug connection
on transfer case servo motor -2- to the wire harness  Repairing electric plug connection on
transfer case servo motor -1- (20 lines).  Workshop Manual '9X00IN Ordering and repairing
electric plug connections'
5
Plug electric plug connection  Repairing electric
plug connection on transfer case servo motor -2into the transfer case servo motor  Repairing
electric plug connection on transfer case servo
motor -3-.
6
Lower the vehicle.
7
PIWIS Tester must be connected to the vehicle.
8
Read out and erase fault memory.
9
Disconnect the PIWIS Tester from the vehicle.
Repairing electric plug connection
on transfer case servo motor
Repairing electric plug connection on transfer case servo motor
Parts Info:
Cayenne S (V8) Tiptronic
Cayenne Turbo/Turbo S (V8) Tiptronic
Cayenne GTS (V8) Tiptronic
Part No.
Designation
Qty.
000.043.989.94
 Transfer case cable repair kit
1 ea.
Work Procedure: 1
Nov 18, 2016
Page 2 of 4
Lift the vehicle.  Workshop Manual '4X00IN Lifting the vehicle'
2
Release and disconnect electric plug connection  -2- on the transfer case servo motor  -3-. 
Workshop Manual '397819 Removing and installing servo motor on transfer gear'
3
Disconnect wire harness  -1- in the marked area  -X-.
4
Attach new electric wire harness with electric plug connection  Repairing electric plug connection
on transfer case servo motor -2- to the wire harness  Repairing electric plug connection on
transfer case servo motor -1- (20 lines).  Workshop Manual '9X00IN Ordering and repairing
electric plug connections'
AfterSales
2016© Porsche Cars North America, Inc.
Cayenne (92A)
Technical Information
19/16
5
Plug electric plug connection  Repairing electric
plug connection on transfer case servo motor -2into the transfer case servo motor  Repairing
electric plug connection on transfer case servo
motor -3-.
6
Lower the vehicle.
7
PIWIS Tester must be connected to the vehicle.
8
Read out and erase fault memory.
9
Disconnect the PIWIS Tester from the vehicle.
2016© Porsche Cars North America, Inc.
AfterSales
ENU
3978
3
Repairing electric plug connection
on transfer case servo motor
Nov 18, 2016
Page 3 of 4
Cayenne (92A)
Technical Information
19/16
ENU
3978
3
Invoicing
Invoicing:
Scope 1: Replacing electric line incl. electric plug connection on the transfer case servo
motor
The work involved is invoiced under the labor operation:
I No.
APOS
Labor operation
39784146
Repairing transfer case servo motor
For invoicing and documentation using PQIS, enter the following coding:
Location (FES5)
39780
Servo motor f. transfer case
Damage type (SA4)
3319
Plug connections corroded
Invoicing:
Scope 2: Replacing transfer case servo motor and electric line incl. electric plug connection
on transfer case servo motor
The work involved is invoiced under the labor operation:
I No.
APOS
Labor operation
39785546
Replacing transfer case servo motor
For invoicing and documentation using PQIS, enter the following coding:
Location (FES5)
39780
Servo motor f. transfer case
Damage type (SA4)
3319
Plug connections corroded
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. If a particular condition is described, do not assume that the bulletin applies to your vehicle, or that your vehicle will have that condition. See your authorized Porsche Dealer for the latest information
about whether a particular technical bulletin applies to your vehicle. Part numbers listed in these bulletins are for reference only. Always check with your authorized Porsche dealer to verify the current and
correct part numbers. 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.
© Porsche Cars North America, Inc.
Dealership
Distribution
Routing
Service Manager
_______
Shop Foreman
_______
Service Technician
________
_______
_______
_______
Asst. Manager
_______
Warranty Admin.
_______
Service Technician
________
_______
_______
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Cayman®, Macan®, Panamera®, Speedster®, Spyder®, 918 Spyder®, Tiptronic®, VarioCam®, PCM®, PDK®, 911®, RS®, 4S®, FOUR, UNCOMPROMISED®, and the model numbers and the
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2016© Porsche Cars North America, Inc.
AfterSales
Nov 18, 2016
Page 4 of 4