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Service bulletins for the 2020 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.

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

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

Bulletins, newest first
No. 1836.12021-09-02. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. New Special tools information for a Schumacher 100 Amp Reprogrammer / Power Supply with Battery Support.
No. 21132021-09-02. Service bulletin. ELECTRICAL SYSTEM. Special tools information for new Deutronic Signal Lamps.
No. 105-212021-08-04. Service bulletin. ELECTRICAL SYSTEM. Instructions for reprogramming the instrument cluster control unit in the event that travel data is not updated or displayed correctly in the Porsche Connect app.
No. 21142021-07-06. Service bulletin. ELECTRICAL SYSTEM. Advanced technical information on Updating PVTS CU Software in the event that the Engine will not start.
No. 62-212021-07-06. Service bulletin. ELECTRICAL SYSTEM. Porsche service campaign information for Workshop Campaign WMD2 - Teach Tire Pressure Monitoring (TPM) System Using the PIWIS Tester.
No. 2100.12021-07-06. Service bulletin. ELECTRICAL SYSTEM. Information on offline MAP service updates for the PCM4 and PCM5.
PIWIS2101x2021-06-02. Service bulletin. ELECTRICAL SYSTEM. Information on Porsche PIWIS Tester III Online Update 40.200.000, .010, .015 & .016.
No. 21092021-06-02. Service bulletin. ELECTRICAL SYSTEM. Advanced technical information for Critical 12V Li-ion Battery recycling.
No. 21082021-06-02. Service bulletin. ELECTRICAL SYSTEM. Advanced technical information for a lane change assist warning along with fault codes.
No. 52-212021-05-05. Service bulletin. ELECTRICAL SYSTEM. Information on how to deal with a potential cyber security breach.
No. 40-212021-05-05. Service bulletin. ELECTRICAL SYSTEM. Instructions on how to remedy a Lift system fault in the instrument cluster of the 992 generation 911.
No. 38-212021-04-05. Service bulletin. ELECTRICAL SYSTEM. Information on Checking Software Version on Porsche mobile chargers and Updating it if Necessary Before Delivery to Customers.
PIWIS2101m2021-04-05. Service bulletin. ELECTRICAL SYSTEM. Information for new Porsche PIWIS tester update #40.000.035
No. 06-21-22021-04-02. Service bulletin. ELECTRICAL SYSTEM. Instructions for re-programming the DME control unit in the event that there are warning messages in the instrument cluster.
122-K9M7R-062021-03-06. Service bulletin. ELECTRICAL SYSTEM; EXTERIOR LIGHTING. Resubmitting at request of Mr. Bernard Hardgrave. Information on fogging lighting components.
No. D5452021-03-02. Service bulletin. ELECTRICAL SYSTEM. Parts withdrawal information for assorted control units.
No. 177-202021-03-02. Service bulletin. ELECTRICAL SYSTEM. instruction on how to reprogram the connect control unit in the 992 generation 911 if the event that the 12V battery is discharging due to a closed circuit current.
No. 103-202021-02-01. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Instructions for replacing the selector lever support in the event that the button lighting does not function.
WLK92021-01-05. Service bulletin. ELECTRICAL SYSTEM. Porsche intranet posting with preliminary information on Workshop campaign WLK9 Workshop campaign - Porsche Communication Management (PCM) software update.
No. 225-20.22021-01-05. Service bulletin. POWER TRAIN; EQUIPMENT; ELECTRICAL SYSTEM:SOFTWARE. Porsche service campaign information for Workshop campaign WLP0 - Re-Programming PDK Control Unit.
No. 200-202021-01-05. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. Instructions on how to delete and re-initialize the user (driver) in the event that a message appears that the PCM cannot be closed.
No. 191-202021-01-05. Service bulletin. ELECTRICAL SYSTEM. Porsche service campaign information for Workshop campaign WLK9 - Porsche Communication Management (PCM) Software Update.
No. 182-202021-01-05. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Instructions for resetting the VTS theft alarm in the event that Porsche connect services can no longer be used in the vehicle.
No. 169-202021-01-05. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY. Instruction on how to reprogram the instrument cluster control unit in the event that "failure of all" displays.
No. 169-202020-12-02. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM. Instructions for reprogramming the Instrument cluster control unit in the event that all displays fail.

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