Service bulletins for the 2021 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.
829 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with component: Transmission and driveline are shown. Show all
| No. 103-25-2 | 2026-10-02. Service bulletin. ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM; POWER TRAIN. Technical Information for Need to Replace Components of the High-Voltage Battery - High-Voltage Battery Control Unit / Cell module; No Mixed Installation Permitted: Observe Specified Approach |
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| No. 31-26 | 2026-10-02. Service bulletin. POWER TRAIN; ENGINE. Manufacturer's Certificate for Overview of Approved Porsche C40 Engine Oils |
| No. 30-26 | 2026-10-02. Service bulletin. ENGINE; POWER TRAIN. Manufacturer's Certificate for Overview of Approved Porsche C20 Engine Oils |
| No. 29-26 | 2026-10-02. Service bulletin. ENGINE; POWER TRAIN. Manufacturer's Certificate for Overview of Approved Porsche C30 Engine Oils |
| No. 36-26 | 2026-10-02. Service bulletin. POWER TRAIN; ENGINE. Manufacturer's Certificate for Overview of Approved Porsche C40 Engine Oils |
| No. 81-26 | 2026-10-02. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. Technical Information for Yellow Warning Message “All-Wheel Drive System Malfunction”, “C12BEF6” and “C133700” in the All-Wheel Electronics Control Unit |
| GR13D802 | 2026-09-04. Service bulletin. ENGINE; POWER TRAIN. Parts Information for Parts Withdrawal - Coolant Regulator Housing |
| No. 2304-2 | 2026-09-04. Service bulletin. ENGINE; POWER TRAIN. Information on Advanced Technical Information for E3.I/G2 V8 – Oil/Air Separator Membrane Failure |
| No. 2332.2 | 2026-06-05. Service bulletin. POWER TRAIN. Instructions on advanced technical information for E3 Cayenne Auxiliary Hydraulic Pump for Transmission Oil |
| No. D780 | 2026-05-07. Service bulletin. ENGINE; POWER TRAIN. Parts information for parts withdrawal involving the transmission oil. Part number 00004321012 is affected - the vehicles that use this part number should be included. |
| No. D776 | 2026-05-06. Service bulletin. ENGINE; POWER TRAIN. Parts information for parts withdrawal involving the transmission oil. The vehicles affected are ones that use the part number 00004330563 |
| No. D768.1 | 2026-04-07. Service bulletin. POWER TRAIN. Parts information for parts withdrawal involving the transmission fluid. Part number 00004321048. The cars affected are ones that use the part number listed. |
| No. D768 | 2026-03-02. Service bulletin. POWER TRAIN. Parts information for parts withdrawal involving the (00004321048) Transmission fluid. The vehicles affected are ones that use the part number mentioned. |
| No. D761 | 2026-03-02. Service bulletin. POWER TRAIN. Parts information for parts withdrawal involving the 7 speed dual clutch gear box. Part numbers 0BG300047 and 0BG300047X are affected. Cars that are involved are ones that use the part numbers mentioned. |
| No. D735.1 | 2025-10-08. Service bulletin. POWER TRAIN. Parts information for parts withdrawal involving the rear axle steering. The part numbers are 992501031H, 992501032H, 992501033AB, 992501033AC. The vehicles affected are cars that use the part numbers listed |
| No. 2332.1 | 2025-07-09. Service bulletin. POWER TRAIN. Instructions on advanced technical information for the (E3) Cayenne Auxiliary Hydraulic Pump for Transmission Oil Fault |
| No. D717 | 2025-05-06. Service bulletin. POWER TRAIN. Parts information for parts withdrawal involving the piston - 0PB107066J and 0PB107066K. The cars affected are ones that use the two part numbers mentioned. |
| No. D716 | 2025-05-06. Service bulletin. POWER TRAIN. Parts information for parts withdrawal involving 992501201K. The vehicles affected are cars that use the part number in the PDF. |
| No. 205-20 | 2025-03-05. Service bulletin. POWER TRAIN. Symptom-based workshop manual - Transmission symptom- Oil leakage on automatic transmission: Observe specified procedure (SY 205/20) |
| No. D705.1 | 2025-01-07. Service bulletin. POWER TRAIN; SUSPENSION. Parts information for parts withdrawal for information on the cardan shaft and shock absorber. The vehicles affected are cars that use part numbers 958521101, 958521101A, 9J1413031G |
| No. D705 | 2025-01-07. Service bulletin. SUSPENSION; POWER TRAIN. Parts information for parts withdrawal for information on the cardan shaft and shock absorber. The vehicles affected are cars that use part numbers 958521101, 958521101A, 9J1413031G |
| No. 205-20 | 2024-07-03. Service bulletin. POWER TRAIN. Symptom-based workshop manual for transmission symptom involving an oil leakage on transfer box for the Cayenne |
| No. 206-20 | 2024-07-03. Service bulletin. POWER TRAIN. Symptom-based workshop manual for transmission symptom involving an oil leakage on transfer box for the Cayenne |
| No. 20-24 | 2024-04-03. Service bulletin. POWER TRAIN. Technical information for an assessment of cracks on elastomer bearings on the front and rear axles. |
| No. 2332 | 2024-01-03. Service bulletin. POWER TRAIN; ENGINE AND ENGINE COOLING. Instructions on advanced technical information for the Cayenne auxiliary hydraulic pump for transmission oil fault |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.