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Service bulletins for the 2005 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.

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

By type

By component

By trouble code

Bulletins, newest first
122-A9R2A-102019-10-15. Service bulletin. STRUCTURE:BODY. Instructions for how to treat a leaking paroramic roof
122-T3H2H-092019-09-23. Service bulletin. STRUCTURE. Instructions for installing the Porsche Bicycle Rack on applicable models with an already installed roof transportation system
122-E2L9P-092019-09-23. Service bulletin. STRUCTURE:BODY:ROOF AND PILLARS. Instructions for installing the Porsche Roof Box on applicable models with an already installed roof transportation system
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-X2X7N-072019-07-08. Service bulletin. ENGINE AND ENGINE COOLING. Notice to dealers that coolants will be moved out of the special tool cabinet in the dealer service department in order to make room for new special tools. All coolant tools will be moved to the "Coolant Cart" because they need to be housed in the same place.
122-V3B6B-072019-07-08. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. Announcement of a 6 month warranty extension on VAS 581005P R1234yf Service Units for air conditioning.
122-J9T9U-042019-04-08. Service bulletin. VISIBILITY:SUN/MOON ROOF ASSEMBLY. Outer seal on Panoramic roof is faulty, causing water to leak into vehicle.
122-M8L6W-082018-08-20. Service bulletin. FUEL SYSTEM, GASOLINE. Subject: Filter flange of fuel pump Information: Fine hairline cracks can occur on the filter flange of the fuel pump on the affected vehicles. As a result, fuel can seep out causing a smell of fuel.
122-D9G9Q-092017-09-14. Service bulletin. FUEL SYSTEM, GASOLINE. Information: Leaks have occurred at the filter flange of the fuel pump over the service life of vehicles manufactured during certain periods on some Volkswagen Group brands. Similar components are installed in Cayenne vehicles from model years 2003 - 2006. However, Porsche is not aware of any problem concerning leaks at the filter flange of the fuel pump on these vehicles. To find out more about the long-term behavior of the filter flange of the fuel pump, part testing must be carried out on specific Cayenne vehicles from model years 2003 - 2006 as a preventative measure.
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
ATI-13-042014-01-30. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. PORSCHE: INFORMATION CONCERNING COOLANT PIPE INSPECTION IN ORDER TO IDENTIFY A CAST SUPPORT ON THE ALUMINUM PIPES. MODELS INCLUDE ALL CAYENNE (9PA) MODEL YEARS 2003-2006. *JS
ATI-13022013-07-09. Service bulletin. WHEELS:LUGS/NUTS/BOLTS/STUDS. PORSCHE: INFORMATION PROVIDED REGARDING PROPER USAGE OF AN APPROVED WHEEL BOLT FOR A VEHICLE APPLICATION. MODELS 2003-2010 CAYENNE. *PE
ATI-11022011-11-02. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. PORSCHE: CHECK ENGINE LIGHT COMES ON. *PE
ATI-11032011-11-02. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. PORSCHE: THE CHECK ENGINE COMES ON. *PE
PK-D8-162011-06-20. Service bulletin. UNKNOWN OR OTHER. PORSCHE: INFORMATION ON HOW TO READ THE VIN. *RM
PI-D47-132010-12-04. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. PORSCHE: REQUESTING RETURN OF PART/S TO PCNA FOR HIGH PRESSURE PUMP #9A1 110 315 06. *PE
ATI-09032010-06-26. Service bulletin. SERVICE BRAKES, AIR:ANTILOCK:WHEEL SPEED SENSOR; SERVICE BRAKES, ELECTRIC. PORSCHE: BRAKE BOOSTER DISTANCE SENSOR. VEHICLE HAS THE WARNING PHC UNAVAILABLE. THE VEHICLE HAS FAULT CODE 1673 FOR THE BRAKE BOOSTER DISTANCE SENSOR. THE SENSORS REPLACED HAVE BEEN FOUND NOT TO HAVE AN INTERNAL FAILURE. DISCONNECT THE ELECTRICAL CONNECTOR AND CLEAN THE CONTACTS. *PE
S-24-082008-12-31. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. PORSCHE: ROUGH RUNNING ENGINE AT IDLE SPEED. DIAGNOSTICS ON HOT FILM MASS AIR FLOW SENSOR (MAF). MAF SENSORS THAT ARE IN PERFECT WORKING ORDER ARE BEING REPLACED UNNECESSARILY IN THE DEALER'S ORGANIZATION. *PE
24-072008-10-29. Service bulletin. AIR BAGS:SIDE/WINDOW. PORSCHE: W725- REPLACING SIDE AIRBAG WIRE HARNESS PLUG CONNECTION (WORKSHOP CAMPAIGN). *PE
D772008-07-16. Service bulletin. VISIBILITY:WINDSHIELD WIPER/WASHER:SWITCH/WIRING. PARTS WITHDRAW; PORSCHE CARS NORTH AMERICA REQUESTS RETURN OF THE FOLLOWING UNITS TO PCNA: PART NUMBERS 955 628 320 00 AND 955 628 321 00; DESCRIPTION TIP SWITCH. *PE
D762008-07-16. Service bulletin. FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS. PARTS WITHDRAWN. PORSCHE CARS NORTH AMERIC REQUESTS RETURN OF THE FOLLOWING UNIT TO PCNA, BUT ONLY IN CASES WHERE THE DEFECT IS VISIBLE: PART NUMBER 955 110 235 01, DESCRIPTION FUEL LINE. *PE
07022008-01-31. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. LEVEL ADJUSTMENT FAULT CODE 1772 - PRESSURE SENSOR SIGNAL LINE -- THE DIAGNOSIS FOR LEVEL CONTROL FAULT 1772 DOES NOT INDICATE THE LEVEL CONTROL COMPRESSOR AS POSSIBLE FAULT CAUSE. *NJ

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