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Service bulletins for the 2012 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.

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

By type

By component

By trouble code

Bulletins, newest first
122-T4D2V-112019-11-01. Service bulletin. EQUIPMENT. Parts withdrawal for sealing grease used for sports cars.
122-J2T5H-112019-11-01. Service bulletin. VEHICLE SPEED CONTROL. Parts withdrawal for the speed sensor on the 991 and 992 911 models.
122-H9P5Z-112019-11-01. Service bulletin. VISIBILITY; EQUIPMENT; ELECTRICAL SYSTEM. Parts withdrawal bulletin for the sun sensor on 718 and 991 911 models.
122-N4W7J-112019-11-01. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. Parts withdrawal bulletin for the coolant pump on 991 and 992 911 models.
122-S3R9Q-112019-11-01. Service bulletin. ELECTRICAL SYSTEM. New PIWIS Tester update 38.800.030
122-H6S4J-112019-11-01. Service bulletin. ELECTRICAL SYSTEM. New PIWIS Tester update 38.800.020
122-D4N9X-112019-11-01. Service bulletin. ELECTRICAL SYSTEM. New PIWIS tester updates 38.800.000 &.010
122-G2B4B-112019-11-01. Service bulletin. ENGINE AND ENGINE COOLING. List of approved A40 engine oils for Porsche vehicles.
122-Z3C2E-102019-10-15. Service bulletin. ELECTRICAL SYSTEM. Announcement of new Tech Live look, which will put technicians into live chats with technical support if they should have an urgent issue
122-L8R6J-102019-10-15. Service bulletin. ELECTRICAL SYSTEM. Bulletin highlighting new updates 38.750, 38.750.000 for the Porsche PIWIS Tester 3
122-G3D7U-102019-10-15. Service bulletin. ELECTRICAL SYSTEM. Instructions for reprogramming the instrument cluster in the event of failure of the TFT display unit
122-T3H2H-092019-09-23. Service bulletin. STRUCTURE. Instructions for installing the Porsche Bicycle Rack on applicable models with an already installed roof transportation system
122-E2L9P-092019-09-23. Service bulletin. STRUCTURE:BODY:ROOF AND PILLARS. Instructions for installing the Porsche Roof Box on applicable models with an already installed roof transportation system
122-Z6Y7L-092019-09-23. Service bulletin. ELECTRICAL SYSTEM. Bulletin outlining PIWIS Tester updates 38.600.030 & 035.
122-E4R8U-092019-09-23. Service bulletin. ELECTRICAL SYSTEM. Bulletin outlining PIWIS Tester updates 38.600.020.
122-B3Y6H-092019-09-23. Service bulletin. ELECTRICAL SYSTEM. Bulletin outlining PIWIS Tester updates 38.600.000, .010, & .015.
122-Q6M4M-092019-09-23. Service bulletin. ELECTRICAL SYSTEM. Instructions for reprogramming the High Voltage Control Unit on 918 Spyder models in the event of a red or yellow hybrid warning message.
122-X2X7N-072019-07-08. Service bulletin. ENGINE AND ENGINE COOLING. Notice to dealers that coolants will be moved out of the special tool cabinet in the dealer service department in order to make room for new special tools. All coolant tools will be moved to the "Coolant Cart" because they need to be housed in the same place.
122-V3B6B-072019-07-08. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. Announcement of a 6 month warranty extension on VAS 581005P R1234yf Service Units for air conditioning.
122-W9D2T-072019-07-08. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. Instructions for using VAS 581005P in order to chech and service R1234yf Air Conditioning Unit.
122-K6Q4Y-122019-02-25. Service bulletin. EQUIPMENT. WJ25 - Retrofitting Connect Functions (Workshop Campaign)
122-E6U4B-122019-02-25. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:COLUMN SHIFT. Subject: Shift lever Information: The shift lever can move in longitudinal direction during load changes in 4th gear.
122-X4X7D-092018-11-19. Service bulletin. ENGINE AND ENGINE COOLING. Cause The noises can occur if there is excessive spring force tolerance in the oil separator Date of introduction The optimized oil separators are used in production from November 25, 2015. Remedial action In the event of a customer complaint, check the part number of the installed oil separator and replace the oil separator if necessary.
122-Q6N7V-082018-08-20. Service bulletin. AIR BAGS. Subject: Airbag switch Symptom: The airbag warning light in the instrument cluster comes on. Cause: Corrosion at the connection point (TSX5) in the passenger footwell can cause the airbag warning light in the instrument cluster to come on.
122-P5G7U-072018-08-06. Service bulletin. ELECTRICAL SYSTEM:WIRING; ENGINE. Oil in the wiring harness. If oil is found in the engine wiring harness during a repair, the wiring harness and all the affected components (including the oil pump control valve) must be replaced.

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