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Service bulletins for the 1998 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.

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

By type

By component

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

Bulletins, newest first
PIWIS2401j2024-03-04. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM:SOFTWARE. Information for PIWIS tester update 42.500.020
No. 23142023-10-05. Service bulletin. ELECTRICAL SYSTEM. Special tools and equipment information for all Porsche models. Diagnostic equipment standards.
No. 23132023-10-05. Service bulletin. ELECTRICAL SYSTEM. Special tools and equipment information for the Pico Oscilloscope Extended Functionality
No. 22342023-01-10. Service bulletin. ELECTRICAL SYSTEM. Instructions on advanced technical information for improper odometer and speedometer function
No. 56-202021-11-04. Service bulletin. ELECTRICAL SYSTEM. Instructions on the Porsche Classic Communication Management Plus - PCCM Plus
PIWIS2101x2021-06-02. Service bulletin. ELECTRICAL SYSTEM. Information on Porsche PIWIS Tester III Online Update 40.200.000, .010, .015 & .016.
No. 52-212021-05-05. Service bulletin. ELECTRICAL SYSTEM. Information on how to deal with a potential cyber security breach.
PIWIS2001af2020-10-01. Service bulletin. ELECTRICAL SYSTEM. Information on PIWIS Tester III Online Update 39.700.030
PIWIS2001ad2020-10-01. Service bulletin. ELECTRICAL SYSTEM. Information on PIWIS Tester III Online Update 39.700.020
PIWIS2001ac2020-10-01. Service bulletin. ELECTRICAL SYSTEM. Information on PIWIS Tester III Online Update 39.700.000, .010 & .012
No. 56-202020-09-02. Service bulletin. ELECTRICAL SYSTEM:WIRING; EQUIPMENT:ELECTRICAL:INFOTAINMENT. Information on Classic Radio options for the 996 and 986 models.
No. D4a2020-07-02. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Document showing the evolution of Porsche Vehicles since 1948.
PIWIS2001v2020-07-02. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT. Information on new PIWIS tester update 39.500.020 and .025.
122-H6D8D-032020-03-05. Service bulletin. ELECTRICAL SYSTEM. Bulletin outlining new PIWIS tester update 39.100.030 & .035
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-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-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.
TI-58-122014-08-05. Service bulletin. ELECTRICAL SYSTEM:IGNITION. PORSCHE: PROCEDURAL INFORMATION PROVIDED REGARDING THE REPLACING OF FAULTY CRACKED IGNITION COILS ON CERTAIN VEHICLES. MODEL 1997-2013 BOXSTER (986), BOXSTER/CAYMAN (987), CARRERA (996 & 997). *PE

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