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Service bulletin 122-C3T2Z-08

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10163759
Published by NHTSA2019-08-12
Manufacturer's number122-C3T2Z-08
Manufacturer's date2019-07-25
NHTSA componentENGINE; ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT

NHTSA's summary

Information about possible fault codes being displayed after vehicle has not been driven for an extended period of time, and instructions on how to clear the faults.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system, Engine, Equipment and accessories, Software

Vehicles listed
PORSCHE CAYENNE2018, 2019

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
PIWIS2401j2024-03-04. Service bulletin. Information for PIWIS tester update 42.500.020
PIWIS2001v2020-07-02. Service bulletin. Information on new PIWIS tester update 39.500.020 and .025.
No. 41-202020-07-01. Service bulletin. Instructions on how to perform a PVTS Software update in the event that a car will not start.
No. 20052020-06-02. Service bulletin. Information on new VCI cables available for purchase by dealers.
122-Q8P6C-122019-12-04. Service bulletin. Information about providing a map update on some vehicles' navigation system.
122-F4N3V-072019-07-08. Service bulletin. Instructions for carrying out Workshop Campaign WKD6, Re-coding Control Unit for Assistance Systems and Re-programming Various Other Control Units if Necessary. This is simply a software update for the following control units: Assistance system, Chassis Control, Roll Stabilization, and the PCM 5.0.
122-N8X6K-102018-10-15. Service bulletin. Complaint - PCM 5.0 Integrated System: Repair instructions (132/18)