122-L5Y4G-09

Bulletin #: 1807
Advanced Technical Information
2
Part ID: 2785
Adaptive Cruise Control Warning Along with ZFAS Faults
Vehicles Affected
Model
Model Year
Model Type
VIN Range
Vehicle Specific Equipment
Cayenne
2019
9YA
N/A
N/A
Revision History
Revision
Release Date
Changes
0
November 30, 2018
Original Document
1
August 6, 2019
Added reference to WKC6 for corrective action.
Customer Concern
The customer experiences a warning in the instrument cluster for Adaptive Cruise Control, Porsche Active Safe, and Headlight
System.
Technical Background
The workshop confirms this behavior along with at least one of the following fault codes and fault sub-codes in the ZFAS driver assistance systems module.
Service Information
Service campaign WKC6 fixes these issues. Please see the associated workshop literature for instructions.
Search Items (Tags, keywords, etc that can be used to search for this document)
Adaptive Cruise Control, ACC, ADC, driver assistance, ZFAS, Porsche Active Safe
AfterSales
August 6, 2019
Page 1 of 2
Bulletin #: 1807
Advanced Technical Information
Part ID: 2785
2
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.
©2019 Porsche Cars North America, Inc.
6000008122
AfterSales
August 6, 2019
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