WenmarOpen by Wenmar Pro

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

Bulletins, newest first
No. 21142021-09-02. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Special tools information for a 12V Power Supply for PT3G Oscilloscope.
No. 1836.12021-09-02. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. New Special tools information for a Schumacher 100 Amp Reprogrammer / Power Supply with Battery Support.
No. 1904.12021-09-02. Service bulletin. EQUIPMENT. Special tools information for new VAS 5908 Requirements.
No. 21132021-09-02. Service bulletin. ELECTRICAL SYSTEM. Special tools information for new Deutronic Signal Lamps.
No. 107-212021-09-02. Service bulletin. STEERING; EQUIPMENT. Porsche recall repair information for Recall Campaign AMB4 – Replacing Steering Column Screws on Steering Gear.
No. 111-212021-09-02. Service bulletin. STEERING. Porsche service campaign information for Workshop Campaign WME2 - Retrofitting Control Unit for Steering Column Adjustment.
No. 8-202021-09-02. Service bulletin. ENGINE AND ENGINE COOLING. Installation instructions for retrofitting a sports exhaust on the Cayenne S.
No. 21192021-09-02. Service bulletin. SERVICE BRAKES, HYDRAULIC. Advanced technical information for brake squeal related to Rear PSCB Corrosion.
No. 21122021-09-02. Service bulletin. EQUIPMENT. Special tools information on new Redline Dual Purpose Diagnostic Leak Locator.
No. 20-142021-09-02. Service bulletin. EQUIPMENT. Installation instructions for retrofitting a roof box on a variety of Porsche models.
WMF82021-08-04. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Porsche intranet posting with preliminary information on Workshop campaign WMF8 - Supply Remote Control.
WME72021-08-04. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Porsche intranet posting with preliminary information on Workshop Campaign WME7 - Supplying charging electronics.
WMF42021-08-04. Service bulletin. EQUIPMENT; STRUCTURE:INTERIOR PANELS:SUN VISOR; ELECTRICAL SYSTEM. Porsche intranet posting with preliminary information on Porsche Workshop Campaign WMF4 Stop delivery - Retrofitting sun sensor.
No. 48-212021-08-04. Service bulletin. WHEELS; TIRES. List of approved wheels and tires for the Cayenne E3.
No. 47-212021-08-04. Service bulletin. WHEELS; TIRES. List of approved wheels and tires for the Cayenne Coupe.
No. 62-212021-08-04. Service bulletin. TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS; EQUIPMENT; TIRES; WHEELS. Porsche service campaign information for Workshop Campaign WMD2 - Teach Tire Pressure Monitoring (TPM) System Using the PIWIS Tester.
No. 100-212021-08-04. Service bulletin. ELECTRICAL SYSTEM. Porsche service campaign information for Workshop Campaign WMF4 - Retrofitting Sun Sensor.
No. 21162021-08-04. Service bulletin. SEAT BELTS. Advanced technical information for a red warning light in the instrument cluster for the seat belt not fastened.
No. 79-212021-08-04. Service bulletin. ENGINE AND ENGINE COOLING. Porsche recall campaign information for Recall Campaign AMB1 – Replacing Engine.
No. D5772021-08-04. Service bulletin. SERVICE BRAKES, HYDRAULIC. Information on parts withdrawal for a brake disc.
No. 02-21-12021-08-04. Service bulletin. STEERING. Instructions for how to fix an issue where the steering column will not adjust upwards or downwards.
No. 68-21-32021-08-02. Service bulletin. ENGINE AND ENGINE COOLING. Instructions for fixing a rattling noise in the rear area of the exhaust system.
AMA92021-07-06. Service bulletin. SUSPENSION. Porsche intranet posting with information for dealers on Recall Campaign AMA9 Stop Delivery / Recall Campaign - Replacing threaded connections on rear trailing arm.
PIWIS2101ac2021-07-06. Service bulletin. EQUIPMENT. Information on new PIWIS Tester update #40.300.020.
No. 21142021-07-06. Service bulletin. ELECTRICAL SYSTEM. Advanced technical information on Updating PVTS CU Software in the event that the Engine will not start.

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