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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

Only bulletins with component: Wheels are shown. Show all

Bulletins, newest first
SPTL26092026-10-02. Service bulletin. WHEELS; STEERING; SUSPENSION. Special Tools and Equipment Information for alignment machines - Q3 2026 Software Spec Update Available
No. 64-26-12026-10-02. Service bulletin. STEERING; WHEELS; SUSPENSION. Technical Information for Yellow Warning Message "Rear Axle Steering Has Failed" in Instrument Cluster: Replace Servo Motors for Rear Axle Steering
No. 35-262026-10-02. Service bulletin. WHEELS. Manufacturer's Certificate for Approval: Wheels and Tires
SPTL26082026-09-04. Service bulletin. WHEELS; SUSPENSION; STEERING. Special Tools and Equipment Information for alignment machines - Q2 2026 Software Spec Update Available
24-262026-09-04. Service bulletin. WHEELS. Manufacturer's Certificate for approved wheels and tires. Also includes model year 2024 911 S/T and GT3 Touring.
109/21 44072026-07-08. Service bulletin. WHEELS. Noise Symptom – Clicking Noises from the Area of the Front Axle: Observe Specified Procedure (SY 109/21)
40/26 44072026-07-07. Service bulletin. WHEELS. Wheel Bolt Replacement Requirement - Change from Wheel Bolts with Aluminum Washers to Wheel Bolts with Steel Washers (40/26)
109/21 44072026-07-07. Service bulletin. WHEELS. Noise Symptom – Clicking Noises from the Area of the Front Axle: Observe Specified Procedure (SY 109/21)
109/21 44072026-07-07. Service bulletin. WHEELS. Noise Symptom – Clicking Noises from the Area of the Front Axle: Observe Specified Procedure (SY 109/21)
109/21 44072026-07-07. Service bulletin. WHEELS. Noise Symptom – Clicking Noises from the Area of the Front Axle: Observe Specified Procedure (SY 109/21)
No. 164-24-12026-06-05. Service bulletin. WHEELS. Technical information for Safety Pin for the Locking Unit on the Central Wheel Lock Cannot be Pressed In/Jammed: Observe Specified Procedure
No. 1506.22026-05-07. Service bulletin. WHEELS. Instructions on advanced technical information for center-locking wheel nut tightening.
No. D7742026-04-07. Service bulletin. WHEELS. Parts information for Parts Withdrawal - Pressure Sensor (9A790605201) The cars affected are ones that use the part number mentioned.
No. D7712026-04-06. Service bulletin. WHEELS. Parts information for Parts Withdrawal - Hub Cap. Part numbers involved are 9Y0601149F, 9Y0601149G, 9Y0601149H, 9Y0601149J, 9Y0601149L, and 9Y0601149M. The vehicles affected are ones that use the part numbers mentioned.
No. 38-252025-11-06. Service bulletin. WHEELS. Manufacturers certificate for approved wheels and tires for the 911 as of MY20
No. GR6D92025-11-05. Service bulletin. WHEELS. Parts information for the thatcham wheel lock information. Since model year 2015, nearly all new vehicles (SUV's may have Thatcham or previous style wheel lock) come equipped with Thatcham-style wheel locks from the factory. Each vehicle equipped with Thatcham-style wheel locks uses a unique key. The vehicles affected are cars that use this wheel lock
No. 14-212025-10-08. Service bulletin. WHEELS. Installation and conversion instructions for information on measuring the wheel system (manthey)
No. 23-252025-08-05. Service bulletin. WHEELS. Manufacturers certificate for approved wheels and tires. Vehicles affected are Type 992 (Coupé/Cabriolet): 911 GT3, 911 GT3 Touring-Package, 911 GT3 RS, 911 S/T
D7102025-03-06. Service bulletin. WHEELS. Parts Information - Parts Withdrawal - Central Locking
D92025-03-05. Service bulletin. WHEELS. Parts Information - Thatcham Wheel Lock Information
No. 204-242025-01-07. Service bulletin. WHEELS. Technical information for ARC4 - wheel mounting with central lock
No. 164-24-12024-12-04. Service bulletin. WHEELS. Technical information for a Safety Pin on the Locking Unit in the Central Wheel Lock cannot be Pressed In / Jammed: Observe Specified Procedure
No. 19-242024-07-03. Service bulletin. WHEELS. Manufacturers certificate for approved wheels and tires
No. 29-232023-12-08. Service bulletin. WHEELS. Instructions on manufacturers certificate for approved wheels and tires
No. 26-232023-11-07. Service bulletin. WHEELS. Instructions on the manufacturers certificate for approved wheels and tires.

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