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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

Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
No. 22362023-01-10. Service bulletin. ENGINE AND ENGINE COOLING. Instructions on advanced technical information for a 911 - injector fault.
No. 148-212022-09-07. Service bulletin. ENGINE AND ENGINE COOLING. Technical information for AMC0 - reprograming DME and transmission control unit
No. 33-222022-08-05. Service bulletin. ENGINE AND ENGINE COOLING. Overview of approved engine C20 engine oils for all Porsche models using this oil.
No. 31-222022-08-05. Service bulletin. ENGINE AND ENGINE COOLING. Overview of approved engine C40 engine oils for all Porsche models using this oil.
No. 36-222022-08-05. Service bulletin. ENGINE AND ENGINE COOLING. Instructions on the manufacturers certificate for approve Porsche A40 engine oils.
No. 35-222022-08-05. Service bulletin. ENGINE AND ENGINE COOLING. Overview of approved engine C30 oils for Porsche models using C30 oils.
No. 67-222022-06-03. Service bulletin. ENGINE AND ENGINE COOLING. Symptom based workshop manual - PDK transmission: noises from the rear end area
No. D5992022-04-05. Service bulletin. ENGINE AND ENGINE COOLING. Parts information for parts withdrawal involving the valve spring. Part numbers affected are PAB109623 and 958109623.
No. 06-222022-03-04. Service bulletin. ENGINE AND ENGINE COOLING. Instructions on the manufacturers certificate for allocation of approved engine oils up until MY2020. (starting back at MY1984). An overview of the approved engine oils.
No. 2005.22022-03-04. Service bulletin. ENGINE AND ENGINE COOLING; EXTERIOR LIGHTING:BRAKE LIGHTS:SWITCH; ELECTRICAL SYSTEM. Instructions on advanced technical information for the 992 - engine warning fault caused by P070300 (00110D) – “Brake light switch-electrical fault”
No. 183-212022-02-04. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. Technical information on the rattling noises from around the rear axle. Check engine mount.
No. 2125.12022-02-04. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Instructions on advanced technical information for the 911 ignition lock warning along with fault code B143C29.
No. 151-212022-01-05. Service bulletin. ENGINE; ELECTRICAL SYSTEM. Technical information for a warning message - "engine control system fault"/ fault memory entry for high fuel pressure in DME control unit.
No. 174-21-12022-01-05. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. Technical information on why engine will not start - checking engine ground strap.
No. 150-212021-11-05. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Technical information on the engine control system fault - engine-Compartment blower in the DME control unit.
No. 97-212021-11-05. Service bulletin. ENGINE AND ENGINE COOLING. Overview of approved engine C30 engine oils for all Porsche models using C30 oil.
No. 98-212021-11-05. Service bulletin. ENGINE AND ENGINE COOLING. Overview of approved engine C20 engine oils for all Porsche models using C40 oil.
No. 96-212021-11-05. Service bulletin. ENGINE AND ENGINE COOLING. Overview of approved engine C20 engine oils for all Porsche models using C20 oil.
No. 59-212021-09-03. Service bulletin. ENGINE AND ENGINE COOLING. List of approved C20 engine oils for all Porsche models using C20 oil.
No. 60-212021-09-03. Service bulletin. ENGINE AND ENGINE COOLING. List of approved engine C30 engine oils for all Porsche vehicles using C30 oil.
No. 61-212021-09-03. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. List of approved engine oils for all Porsche models using C40 oil.
No. 77-212021-08-04. Service bulletin. ENGINE AND ENGINE COOLING. Instructions for what to do if there are complaints or issues with vehicles shortly after charging or removing and installing spark plugs.
No. 17-212021-06-02. Service bulletin. ENGINE AND ENGINE COOLING. List of approved engine oils for new and classic Porsche models.
No. 2110.12021-06-02. Service bulletin. ENGINE AND ENGINE COOLING. Instructions for correcting DMTL leakage faults on 4.0 engines.
No. 21102021-06-02. Service bulletin. ENGINE AND ENGINE COOLING. Advanced technical information for diagnosing DMTL leakage faults on 4.0 engines.

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