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Service bulletins for the 2021 Porsche 911

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.

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

By type

By component

By trouble code

Bulletins, newest first
No. D7532026-02-06. Service bulletin. ELECTRICAL SYSTEM; VISIBILITY/WIPER. Parts information for Parts Withdrawal - LED Headlight. Vehicles affected are cars that use the part numbers in the attached PDF.
No. 112-252026-02-06. Service bulletin. STRUCTURE:BODY. Technical information for Targa Roof Convertible Top Cover Damaged at the Rear Outer Corner
No. 26012026-02-06. Service bulletin. ELECTRICAL SYSTEM. Special tools and equipment information on VAS 6292 Spec Update 2025.0.4 (VAS 6292/9 & VAS 6292/10 Required)
No. 49-252026-02-06. Service bulletin. ENGINE. Manufacturers certificate for an Overview of Approved Porsche C40 Engine Oils. MY21-26 affected.
No. 48-252026-02-06. Service bulletin. ENGINE. Manufacturers certificate for an Overview of Approved Porsche C30 Engine Oils. MY21-26 affected.
No. 47-252026-02-06. Service bulletin. ENGINE. Manufacturers certificate for an Overview of Approved Porsche C20 Engine Oils. MY21-26 affected.
No. WSS62026-02-05. Service bulletin. ELECTRICAL SYSTEM. Technical information for WSS6 – Re-Programming 12 V Battery Sensor (Workshop Campaign)
No. D7522026-02-05. Service bulletin. SERVICE BRAKES. Parts information for parts withdrawal involving the caliper without brake pads. The part numbers affected are in the attached PDF. The vehicles associated are cars that use the part numbers in the PDF.
No. 99-252026-01-07. Service bulletin. STEERING. Technical information on Temporary Vibrations on the Steering Wheel, Particularly During Sporty Driving
No. 51-252026-01-07. Service bulletin. ENGINE. Manufacturers certificate for an Overview of Approved Porsche C40 GT Engine Oils. 982, 991, and 992 affected
No. D7512026-01-07. Service bulletin. ELECTRICAL SYSTEM. Parts information for parts withdrawal involving the actuating lever. The part numbers mentioned are in the attached PDF
No. 11-252026-01-06. Service bulletin. FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL; LANE DEPARTURE: ASSIST; LANE DEPARTURE: WARNING; FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING; FORWARD COLLISION AVOIDANCE: WARNINGS. Technical information for Various Error Messages Regarding Driver Assistance Systems in the Instrument Cluster in Conjunction With Passive Fault Memory Entries in the Driver Assistance Systems Control Unit - ZFAS
No. D7502026-01-06. Service bulletin. ENGINE. Parts information for parts withdrawal involving Solenoid Valve for Coolant Circuit. the vehicles affected are cars that use part numbers 9J1963375N, 9J1963375P, 9J1963375Q, 9J1963375R, 9J1906459C
No. 88-25-12025-12-05. Service bulletin. POWER TRAIN. Symptom based workshop manual for Complaints Regarding Shifting Quality on Double-Clutch Transmissions in Conjunction with Message "Transmission Faulty"
No. 203-21-22025-12-05. Service bulletin. ELECTRICAL SYSTEM. Technical information for Vehicle Intermittently Not Available Via Remote Access Services: Re-program Connect Control Unit
No. 2503.32025-12-05. Service bulletin. FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL; LANE DEPARTURE: ASSIST. Instructions on advanced technical information for Troubleshooting Advanced Driver Assistance Systems (ADAS)
No. 25312025-12-05. Service bulletin. VISIBILITY/WIPER. Instructions on advanced technical information for the Surround View Static Calibration – Explanation of Debug Screen
No. D732.12025-12-05. Service bulletin. STRUCTURE:BODY. Parts information for parts withdrawal involving the door lock. part numbers 9Y0839015, 9Y0839016, 9Y0839016A, 9Y0839015A, 9Y0839015B, 9Y0839016B. Vehicles affected are cars that use the part numbers mentioned.
No. D7492025-12-05. Service bulletin. SERVICE BRAKES. Parts information for parts withdrawal involving the brake disc 9Y0615301AJ
No. 11-142025-12-05. Service bulletin. POWER TRAIN. Technical information for Checking Dual-Mass Flywheel (DMF) on Vehicles with PDK (11/14)
No. 25292025-12-05. Service bulletin. UNKNOWN OR OTHER. Instructions on advanced technical information for paint thickness or decals affecting corner radar sensor operation. Affects all model lines
No. D7482025-12-05. Service bulletin. UNKNOWN OR OTHER. Parts information for parts withdrawal involving the combi-instrument black. The part numbers listed on the PDF and All parts with software version 005 are affected. Only software version 006 is OK.
No. D7472025-12-05. Service bulletin. ENGINE. Parts information for parts withdrawal involving the pressure sensor. The vehicles affected are cars that use the part number 9A790605201
No. 2435.22025-12-05. Service bulletin. STRUCTURE:BODY. Instructions on advanced technical information for the 992 Lightweight Rear Quarter Glass Panes Are Cracked. MY2021-2024 are affected and specific variants are found in PDF attached.
No. D7462025-12-05. Service bulletin. STRUCTURE:BODY. Parts information for parts withdrawal involving the glass roof - 9J0877069BY & 9J0877069CY. The vehicles affected are ones that use the part numbers mentioned.

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