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Service bulletins for the 2009 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.

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

By type

By component

By trouble code

Bulletins, newest first
122-F5T6X-012020-01-03. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. Instructions for manually setting the date and time on older model vehicles with GPS and PCM 2.1 or older.
122-A7G3D-122019-12-04. Service bulletin. EQUIPMENT. List of valid Advanced Technical Information bulletins (ATIs) as of 11/22/2019
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-G2B4B-112019-11-01. Service bulletin. ENGINE AND ENGINE COOLING. List of approved A40 engine oils for Porsche vehicles.
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-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-P5G7U-072018-08-06. Service bulletin. ELECTRICAL SYSTEM:WIRING; ENGINE. Oil in the wiring harness. If oil is found in the engine wiring harness during a repair, the wiring harness and all the affected components (including the oil pump control valve) must be replaced.
122-P5G7U-072018-07-30. Service bulletin. FUEL SYSTEM, GASOLINE. Oil in the wiring harness. If oil is found in the engine wiring harness during a repair, the wiring harness and all the affected components (including the oil pump control valve) must be replaced.
122-B9V4V-062018-06-25. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Information: The Approval and Support Management system was created to offer assistance to the dealer organization with new and complex technical issues by utilizing the Support Specialists within Porsche R&D. As a result, this process has reduced vehicle downtime and repeat repairs substantially.
122-T7Y5Q-122017-12-14. Service bulletin. ELECTRICAL SYSTEM. Information: This document updates information previously published in EQ 1105, EQ 1105, and EQ 1401. To provide stable voltage and sufficient current throughout certain service operations, you should connect the vehicle to a battery charger (sometimes referred to as a power supply). However, you may experience ECU programming and coding issues if the chosen battery charger has insufficient power. Many workshop manuals currently advise use of a battery charger with a 40 or 70 A current rating. However, with the increasing current requirements of modern Porsche vehicles, we recommend a battery charger capable of producing a minimum current of 90 A.
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:
122-U8X3Q-062017-08-01. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Concerns: Porsche Communication Management (PCM) 3.0 Note: PLEASE DO NOT PLACE A PARTS ORDER FOR THIS CAMPAIGN. PARTS (1 EA. OFWKD 952 900 14 ANDWKD 952 800 13)WILL BE AUTOMATICALLY ALLOCATED TO YOUR DEALERSHIP.
122-S2A9U-062017-08-01. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS; ENGINE AND ENGINE COOLING. Information: Frequent complaints about "torn drive belts" following repairs or after workshop campaign WB19 is carried out. If the drive belt is removed and installed during repairs, particularly during "WB19Workshop campaign - Replacing coolant regulator (47/11)", the drive belt can be damaged as a result of incorrect handling
122-M8Z2R-062017-08-01. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM:SOFTWARE. Concerns: CD radio "Porsche CDR-30" Information: There is the possibility that the coding of the CDR-30 will be lost on the affected vehicles due to a software error. This can result in the following fault symptoms: - Bad radio reception. - Personal settings (e.g. preset stations) are lost. - Bluetooth will not work.

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