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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: Brakes are shown. Show all

Bulletins, newest first
GR13D8002026-08-05. Service bulletin. SERVICE BRAKES. Parts Withdrawal - 1 Set of Brake Pads for Disk Brake
GR13D7982026-08-05. Service bulletin. SERVICE BRAKES. Parts Withdrawal - Brake Disc
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. D7492025-12-05. Service bulletin. SERVICE BRAKES. Parts information for parts withdrawal involving the brake disc 9Y0615301AJ
No. 31-252025-08-04. Service bulletin. SERVICE BRAKES. Technical information for a complaint Maneuvering Assistant: Implausible Standstill When Reversing
D7192025-06-02. Service bulletin. SERVICE BRAKES. Parts information for Parts Withdrawal - 1 Set of Brake Pads for Disk Brake. Vehicles included are all cars that use part number 992698451R
No. 214-212024-09-04. Service bulletin. SERVICE BRAKES. Technical information on a complaint - brake rubbing/floating pedal pressure point/high wear on brake pads and discs/lateral runout of brake disc. replacing brake pads with race track pads
No. 214-212024-08-06. Service bulletin. SERVICE BRAKES. Technical information for a complaint regarding the brake rubbing/floating pedal pressure point/high wear on brake pads and discs/lateral runout of brake disc. Replace brake pads with race track pads
No. D6892024-08-06. Service bulletin. SERVICE BRAKES. Parts information for parts withdrawal involving the brake hose 9J1611707F and 9J1611708F
No. D6842024-07-02. Service bulletin. SERVICE BRAKES. Parts information for parts withdrawal involving the retainer for brake hose/brake line
No. D6812024-06-05. Service bulletin. SERVICE BRAKES. Parts information for parts withdrawal involving the retainer for brake hose/pressure difference sender. (9J1611845C, 9J1611846C, PAB906051C)
No. D6772024-05-02. Service bulletin. SERVICE BRAKES, HYDRAULIC. Parts information for parts withdrawal involving the brake pads - 992698151F
No. 24032024-04-03. Service bulletin. SERVICE BRAKES, HYDRAULIC. Special tools and equipment information for brake caliper pins for the 911, Boxster, and Cayman
No. 05-232024-04-03. Service bulletin. SERVICE BRAKES, HYDRAULIC. Installation and conversion instructions for the PCCB retrofitting - brake system
No. 122-202023-04-06. Service bulletin. SERVICE BRAKES, HYDRAULIC. Technical information on a complaint - brake noise
No. 166-22-42023-03-04. Service bulletin. PARKING BRAKE. Technical information on WNK6 - replacing spreader device
No. 140-22-22023-03-04. Service bulletin. PARKING BRAKE. Technical information on WNK5 - exchanging spreader device
WLM62023-02-07. Service bulletin. SERVICE BRAKES, HYDRAULIC; EQUIPMENT. Porsche intranet posting with information on workshop campaign WLM6 - check brake lines on the front axle and replace them if necessary
No. 197-202023-02-06. Service bulletin. SERVICE BRAKES, HYDRAULIC; EQUIPMENT. Technical information for WLM6 - checking brake lines on the front axle and replace if necessary.
No. 22322022-12-07. Service bulletin. ELECTRICAL SYSTEM; SERVICE BRAKES, HYDRAULIC. Instructions on advanced technical information for the Taycan, 911, Cayenne. Active parking support and remote park assist not available in certain parts.
No. 214.212022-11-04. Service bulletin. EQUIPMENT; SERVICE BRAKES, HYDRAULIC. Technical information for a complaint - brake rubbing, floating pedal pressure point, high wear on brake pads/discs, and lateral runout of brake disc.
No. 213.212022-07-06. Service bulletin. ELECTRICAL SYSTEM; SUSPENSION; SERVICE BRAKES. Information on the chassis system fault: a re-programing control unit for chassis control.
No. 1801.42022-04-05. Service bulletin. SERVICE BRAKES. Advanced technical information for a brake squeal.
No. 141-21-12021-11-04. Service bulletin. SERVICE BRAKES, HYDRAULIC. Recall repair information for recall campaign AMB9 - reworking brake booster.
ATIALL416052021-06-28. Service bulletin. EQUIPMENT; SERVICE BRAKES. Understanding and addressing brake squeal complaints.

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