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Service bulletins for the 2003 Porsche Cayenne

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.

480 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
PIWIS2001ac2020-10-01. Service bulletin. ELECTRICAL SYSTEM. Information on PIWIS Tester III Online Update 39.700.000, .010 & .012
No. 16-052020-08-05. Service bulletin. ELECTRICAL SYSTEM. Instructions for installing a modified antenna on the first generation Cayenne in the event that there is insufficient remote control range.
No. 8-042020-08-05. Service bulletin. EXTERIOR LIGHTING:BRAKE LIGHTS; ELECTRICAL SYSTEM. Instructions for fitting a foam rubber strip to the brake light switch retainer to solve malfunctions due to the brake light switch sticking.
No. 11-042020-08-05. Service bulletin. AIR BAGS; ELECTRICAL SYSTEM. Instructions for replacing the side airbag plugs in the event that there are airbag warning lights active, fault codes 1217 and/or 1218.
No. D4a2020-07-02. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Document showing the evolution of Porsche Vehicles since 1948.
PIWIS2001v2020-07-02. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT. Information on new PIWIS tester update 39.500.020 and .025.
122-H6D8D-032020-03-05. Service bulletin. ELECTRICAL SYSTEM. Bulletin outlining new PIWIS tester update 39.100.030 & .035
122-V4J2F-032020-03-05. Service bulletin. ELECTRICAL SYSTEM. Bulletin outlining PIWIS tester update 39.200.000, .010, .015, .016, & .017
122-A9R3U-012020-01-03. Service bulletin. ELECTRICAL SYSTEM. Information about new PIWIS Tester update 39.050.010
122-S2J9B-012020-01-03. Service bulletin. ELECTRICAL SYSTEM. Information about new PIWIS Tester update 39.050.012
122-M6J2U-012020-01-03. Service bulletin. ELECTRICAL SYSTEM. Information about PIWIS Tester update 39.000.020
122-S3R9Q-112019-11-01. Service bulletin. ELECTRICAL SYSTEM. New PIWIS Tester update 38.800.030
122-H6S4J-112019-11-01. Service bulletin. ELECTRICAL SYSTEM. New PIWIS Tester update 38.800.020
122-D4N9X-112019-11-01. Service bulletin. ELECTRICAL SYSTEM. New PIWIS tester updates 38.800.000 &.010
122-Z3C2E-102019-10-15. Service bulletin. ELECTRICAL SYSTEM. Announcement of new Tech Live look, which will put technicians into live chats with technical support if they should have an urgent issue
122-L8R6J-102019-10-15. Service bulletin. ELECTRICAL SYSTEM. Bulletin highlighting new updates 38.750, 38.750.000 for the Porsche PIWIS Tester 3
122-Z6Y7L-092019-09-23. Service bulletin. ELECTRICAL SYSTEM. Bulletin outlining PIWIS Tester updates 38.600.030 & 035.
122-E4R8U-092019-09-23. Service bulletin. ELECTRICAL SYSTEM. Bulletin outlining PIWIS Tester updates 38.600.020.
122-B3Y6H-092019-09-23. Service bulletin. ELECTRICAL SYSTEM. Bulletin outlining PIWIS Tester updates 38.600.000, .010, & .015.
122-A4N7P-092017-09-14. Service bulletin. TRAILER HITCHES; ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL. Information: A Cayenne with optional equipment no. 1D6 will come with a Trailer hitch receiver and wiring up to the receiver hitch that includes a control unit to operate the trailer parking lights, turn signals and brake lights. The Cayenne is also pre-wired for a brake controller. You will need to do the following to hook up the trailer electrics and/or an electric brake controller:
ATI-14032014-11-04. Service bulletin. ELECTRICAL SYSTEM:WIRING. PORSCHE: SOME VEHICLES ARE EXPERIENCING, IN DRIVER'S FOOTWELL, A MAIN WIRING HARNESS CORROSION, WHICH IS CAUSING A NO START SITUATION. MODEL 2003-2010 CAYENNE (S, GTS, TURBO). *PE
28202007-08-09. Service bulletin. ELECTRICAL SYSTEM:IGNITION:MODULE. BAR IGNITION MODULES (COILS) WITH PART NO. 948.602.104.00 AND 948.602.104.01. *KB UPDATED 8/9/11. *PE
60052005-12-23. Service bulletin. ELECTRICAL SYSTEM. ELECTRIC MALFUNCTIONS DUE TO WATER LEAKAGE IN THE INTERIOR OF THE VEHICLE. *TT
05152005-10-17. Service bulletin. ELECTRICAL SYSTEM. MISCELLANEOUS LAMP WARNINGS IN THE INSTRUMENT CLUSTER. *TT
14042005-02-08. Service bulletin. ELECTRICAL SYSTEM. MOISTURE ENTERING THE PSM CONTACT PLUGS IN MAIN HARNESS MAY ACTIVATE THE PSM WARNING LIGHT IN INSTRUMENT CLUSTER. *TT

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.