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Service bulletins for the 2018 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.

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

By type

By component

By trouble code

Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
122-P7A8T-022020-02-04. Service bulletin. ELECTRICAL SYSTEM. Technical information outlining the customer complaint that the locking "beep" not working as specified. The issue can be corrected by reprogramming the vehicle's rear end electronics.
122-Y3Y7Y-022020-02-04. Service bulletin. ELECTRICAL SYSTEM. Parts withdrawal bulletin for various outdated control units on a variety of vehicles.
122-A9R3U-012020-01-03. Service bulletin. ELECTRICAL SYSTEM. Information about new PIWIS Tester update 39.050.010
122-S2J9B-012020-01-03. Service bulletin. ELECTRICAL SYSTEM. Information about new PIWIS Tester update 39.050.012
122-M6J2U-012020-01-03. Service bulletin. ELECTRICAL SYSTEM. Information about PIWIS Tester update 39.000.020
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-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-S5A6X-102019-10-31. Service bulletin. ELECTRICAL SYSTEM; AIR BAGS. Porsche intranet posting for WH57 campaign, which seeks to replace the airbag control unit on affected vehicles.
122-T3P7J-102019-10-31. Service bulletin. ELECTRICAL SYSTEM; AIR BAGS. Porsche intranet posting on WH75 campaign, which seeks to replace the airbag control unit on affected vehicles.
122-C9E2A-102019-10-31. Service bulletin. ELECTRICAL SYSTEM. Porsche intranet posting for campaign WKE8, which seeks to reprogram the DME control unit on affected 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-N5V9B-092019-09-23. Service bulletin. ELECTRICAL SYSTEM. Instructions for retrofitting Sport Plus Mode on vehciles without sport chrono package already installed. This bulletin is specifically for the new Porsche PCM4 which was new for MY17.
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-B8Y8F-082019-08-12. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Instructions on carrying ou the WKE8 Workshop campaign, which is a re-programming of the DME control unit in order to correct an error in the fault memory storage of the oxygen sensors on the engine.
122-D4X2J-092018-11-19. Service bulletin. ELECTRICAL SYSTEM. Customer Concern The customer receives a call from the Porsche call center as if the airbag has deployed and the vehicle made an e-call. No such airbag deployment or e-call occurred. This is a false alarm. Technical Background This issue results from a conflict between the airbag module and Vodafone telematics service. A future additional Porsche AG action may also correct the issue.
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.
122-X4K4K-072018-08-06. Service bulletin. BACK OVER PREVENTION; EQUIPMENT; ELECTRICAL SYSTEM:SOFTWARE. Symptom: The reversing camera image remains active while driving. Cause: Incorrect coding of the reversing camera control unit can cause the reversing camera image to remain active even while driving.
122-R8A3S-042018-04-23. Service bulletin. ELECTRICAL SYSTEM. Service Information: The 40 A lightweight lithium-ion starter battery (part number 99161104052) is not approved for the 991-II GT3 from model year 2018 (J) on. Please refer to PET page 902-06. (Figures 1 and 2).
122-N7L9D-022018-02-12. Service bulletin. AIR BAGS; ELECTRICAL SYSTEM. Customer Concern: The driver receives an airbag warning in the instrument cluster. Technical Concern: The workshop confirms the customer?s observation along with one or more of the following fault codes: ? 002502: Key-operated switch circuit 1, short circuit to B+ ? 002602: Key-operated switch circuit 2, short circuit to B+

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