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Service bulletins for the 2013 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.

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

By type

By component

By trouble code

Bulletins, newest first
No. 13-212021-04-05. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. List of approved C20 style engine oils for classic and new Porsche models since 1984.
No. 09-212021-04-02. Service bulletin. ENGINE AND ENGINE COOLING. List of approved A40 style engine oils for new and classic Porsche vehicles MY 1984 and newer.
No. 08-212021-04-02. Service bulletin. ENGINE AND ENGINE COOLING. List of approved C40 engine oils for new and classic Porsche vehicles MY 1984 and newer.
No. 07-21-12021-04-02. Service bulletin. ENGINE AND ENGINE COOLING. List of approved C30 engine oils for all new and Classic Porsche vehicles MY1984 and newer.
No. 03-212021-04-02. Service bulletin. ENGINE AND ENGINE COOLING. List of approved C20 engine oils for all new and classic Porsche models 1984 and newer.
PIWIS2102j2021-04-02. Service bulletin. EQUIPMENT. Information on PIWIS Tester update 40.000.020 & .022.
No. 26-182021-04-02. Service bulletin. ELECTRICAL SYSTEM. Information on a Navigation system update for the PCM3.1
122-S6Q2R-062021-03-06. Service bulletin. EQUIPMENT; SERVICE BRAKES. Resubmitting at request of Mr. Bernard Hardgrave. Advanced technical information on brake fluid for all Porsche vehicles.
122-N8C4M-122021-03-06. Service bulletin. EQUIPMENT; WHEELS; LATCHES/LOCKS/LINKAGES. Resubmitting at request of Mr. Bernard Hardgrave. Advanced Technical information for center-locking wheel nut tightening.
122-L7A3K-122021-03-06. Service bulletin. TIRES; EQUIPMENT; WHEELS. Resubmitting at request of Mr. Bernard Hardgrave. List of approved wheels, tires, and wheel spacers for the 991 Generation 911 - (4WD models).
122-R7W3J-122021-03-06. Service bulletin. EQUIPMENT; TIRES; WHEELS. Resubmitting at request of Mr. Bernard Hardgrave. List of approved wheels, tires and wheel spacers for the 991 generation 911 Carrera.
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. D2512021-03-02. Service bulletin. EQUIPMENT. New parts promotion for all weather mats and cargo liner.
No. 19-20-22021-03-02. Service bulletin. ENGINE AND ENGINE COOLING. Porsche service campaign information for Workshop campaign WLA4 - Retrofitting Heat Shield.
No. 19-20-12021-03-02. Service bulletin. ENGINE AND ENGINE COOLING. Porsche service campaign instructions for Workshop campaign WLA4 - Retrofitting Heat Shield.
WTY 9912021-02-02. Service bulletin. EXTERIOR LIGHTING; BACK OVER PREVENTION. Porsche intranet posting with preliminary information for dealers on the Extended warranty for the reversing light function on the 911Carrera (991).
No. 228-202021-02-02. Service bulletin. POWER TRAIN; EXTERIOR LIGHTING. Information on an extended warranty for the 991 generation 911.
No. 1820.12021-02-02. Service bulletin. STRUCTURE. Special tools information on a measuring and alignment system.
No. 1758.22021-02-01. Service bulletin. EQUIPMENT. Special tools information on Logo Templates and exchangeable inserts.
No. 1758.12021-02-01. Service bulletin. EQUIPMENT. Special tools information on Logo templates and exchangeable inserts.
No. 21002021-02-01. Service bulletin. EQUIPMENT. Porsche Specials tools update for an offline SD Card update for the Map services.
No. 72-172021-02-01. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN. Instructions for reworking the fan motor in the event that the HVAC does not function.
WLP12021-01-05. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION; POWER TRAIN. Porsche intranet posting with preliminary information on Workshop Campaign WLP1 (Workshop campaign for parts analysis) - Replacing manual transmission
WLN12021-01-05. Service bulletin. EQUIPMENT. Porsche intranet posting with preliminary information on WLN1 stop sale/workshop campaign.

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