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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.

By type

By component

By trouble code

By topic

Bulletins, newest first
No. 20222020-10-01. Service bulletin. EQUIPMENT:MECHANICAL; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Information on new special tool - Pinout/Diag Tool Box w/ Foam
No. 31-202020-10-01. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION. List of approved engine oils for all Porsche models since 2003.
No. 88-202020-10-01. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION; POWER TRAIN:AUTOMATIC TRANSMISSION:INTERNAL:CLUTCHES/BANDS. Procedure instructions on how to address oil leaking from the double clutch transmission on the new 992.
No. 5102020-10-01. Service bulletin. ENGINE AND ENGINE COOLING. Information on a parts withdrawal of a coolant pump.
No. 20202020-10-01. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Information on new special tool for offline updates of the PCM Versions 4 and 5.
No. 20192020-10-01. Service bulletin. EQUIPMENT. Information on new special tool - 911 (992) A/C Flushing Adapter
No. 20172020-10-01. Service bulletin. SERVICE BRAKES, HYDRAULIC. New Special tools information on VAS 6627A/11 Brake Caliper Drilling Template.
No. 33-202020-10-01. Service bulletin. ENGINE AND ENGINE COOLING. Overview of Approved Porsche C20 Engine Oils
No. 103-202020-10-01. Service bulletin. ELECTRICAL SYSTEM. Information on selector lever faults and current measures in the event that the button lighting does not function.
PIWIS2001ac2020-10-01. Service bulletin. ELECTRICAL SYSTEM. Information on PIWIS Tester III Online Update 39.700.000, .010 & .012
No. 5X2020-10-01. Service bulletin. EQUIPMENT. System description document for the PCM (Porsche Communication Management) version 5.0
No. 20152020-10-01. Service bulletin. ENGINE AND ENGINE COOLING. Information on a new pressure loss tester for all new models.
WLG12020-09-02. Service bulletin. SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:PADS. Porsche intranet communication concerning Workshop campaign Replacing brake discs and brake pads on the front and rear axle.
No. 20132020-09-02. Service bulletin. STRUCTURE:BODY:DOOR:HINGE AND ATTACHMENTS; EQUIPMENT ADAPTIVE/MOBILITY. Advanced Technical information for helping customers with comfort access and extending door handles.
No. 5012020-09-02. Service bulletin. EQUIPMENT; FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS. Information on Parts Withdrawal of an outdated fuel line.
No. 113-202020-09-02. Service bulletin. SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:PADS. Service Campaign information for Porsche Workshop Campaign WLG1 - Replacing Brake Discs and Brake Pads on the Front and Rear Axle.
No. 24-202020-09-02. Service bulletin. WHEELS; TIRES. List of approved wheels and tires for the 992 generation 911.
No. 121-302020-09-02. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE. Instructions for replacing the turbocharger and exhaust manifold in the event of power loss in conjunction with turbocharger damage.
WKJ82020-08-05. Service bulletin. ENGINE. Porsche intranet posting for Porsche Workshop Campaign WKJ8 – Replacing engine mounts and retrofitting cover caps.
WLD32020-08-05. Service bulletin. ENGINE. Porsche intranet posting for Porsche Workshop Campaign WLD3 – Replacing engine mounts and retrofitting cover caps.
WKG42020-08-05. Service bulletin. SERVICE BRAKES, AIR. Porsche intranet posting for Porsche Workshop Campaign WKG4 - Replacing PCCB brake disc covers and air guides.
WKH32020-08-05. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. Porsche intranet posting for Porsche Workshop Campaign WKH3 - Replace drive shafts on the front axle.
No. 138-192020-08-05. Service bulletin. ENGINE. Campaign instructions for Porsche Workshop Campaign WKJ8 - Replacing Engine Mounts and Retrofitting Caps.
No. 43-102020-08-05. Service bulletin. POWER TRAIN. Various repair symptoms and their associated repairs for all PDK transmissions.
No. 2005.12020-08-05. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Revised instructions for clearing an engine warning fault caused by a brake light switch fault.

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