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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.

Warranty extensions
No. 43-262026-10-02. VISIBILITY/WIPER; ELECTRICAL SYSTEM. Technical Information for Warranty Extension for Front Door Wiring Harness related to Real Top View (RTV) issues
18/262026-08-06. POWER TRAIN. Warranty Information: Warranty Extension for Transmission Electronics Control Unit (18/26)

A warranty extension may pay for a repair after the basic warranty has ended. Read the document for which vehicles and which repair it covers.

By type

By component

By trouble code

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Bulletins, newest first
SPTL26092026-10-02. Service bulletin. WHEELS; STEERING; SUSPENSION. Special Tools and Equipment Information for alignment machines - Q3 2026 Software Spec Update Available
No. 96-262026-10-02. Service bulletin. VISIBILITY/WIPER; STRUCTURE:BODY. Symptom-based workshop manual for Noises from Front Wiper Blade
No. 92-262026-10-02. Service bulletin. STRUCTURE:BODY; VISIBILITY/WIPER. Technical Information for Wind Noises when Driving from the Sunroof Area
No. 91-262026-10-02. Service bulletin. POWER TRAIN; ENGINE. Technical Information for Particles/Metal Chips/Residues in Engine Oil
No. 28-262026-10-02. Service bulletin. POWER TRAIN; ENGINE. Manufacturer's Certificate for Overview of Approved Porsche C40 Engine Oils. Note that this bulletin covers all models back to model year 1984, for which C40 engine oils are allocated.
No. 27-262026-10-02. Service bulletin. POWER TRAIN; ENGINE. Manufacturer's Certificate for Overview of Approved Porsche C20 Engine Oils. Note that the bulletin covers all models back to model year 1984, for which C20 engine oils are allocated.
No. 26-262026-10-02. Service bulletin. ENGINE; POWER TRAIN. Manufacturer's Certificate for Overview of Approved Porsche C30 Engine Oils. Note that the bulletin includes all models back to model year 1984, for which C30 engine oils are allocated.
No. 25-262026-10-02. Service bulletin. POWER TRAIN; ENGINE. Manufacturer's Certificate for Overview of Approved Porsche A40 Engine Oils. Note that this bulletin covers all vehicles from model year 1997 to 2020, for which A40 engine oils are assigned. Model years 1997-2001 are not available for selection in the system.
No. 86-262026-10-02. Service bulletin. ELECTRICAL SYSTEM; EXTERIOR LIGHTING. Technical Information for Vehicle Color in Front Display/Control Panel Wrong after Replacing Central Computer (PCM)
No. 12-262026-10-02. Service bulletin. ELECTRICAL SYSTEM. Technical Information for Damage to Nano Plug Contacts Due to Utilization of Incorrect Measuring Equipment
No. 43-262026-10-02. Warranty extension. VISIBILITY/WIPER; ELECTRICAL SYSTEM. Technical Information for Warranty Extension for Front Door Wiring Harness related to Real Top View (RTV) issues
SPTL2314a2026-09-04. Service bulletin. UNKNOWN OR OTHER. Special Tools and Equipment Information for Diagnostic Equipment Standards for all USA Porsche Centers
SPTL26082026-09-04. Service bulletin. WHEELS; SUSPENSION; STEERING. Special Tools and Equipment Information for alignment machines - Q2 2026 Software Spec Update Available
GR16D8a2026-09-04. Service bulletin. UNKNOWN OR OTHER. Product Knowledge for Model Type Designations
GR16D82026-09-04. Service bulletin. UNKNOWN OR OTHER. Product Knowledge for Chassis/VIN Numbering Systems
No. 2109-32026-09-04. Service bulletin. ELECTRICAL SYSTEM. Information on Advanced Technical Information for Critical 12V Li-ion Battery Recycling
No. 11-25-42026-09-04. Service bulletin. FORWARD COLLISION AVOIDANCE: WARNINGS; LANE DEPARTURE: ASSIST; FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL; BACK OVER PREVENTION: REARVIEW SYSTEM BRAKING; FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING. Technical Information for White Messages Regarding Driver Assistance Systems in Conjunction with Passive Fault Memory Entries in the ZFAS Control Unit
No. 75-252026-09-04. Service bulletin. LANE DEPARTURE: ASSIST; BACK OVER PREVENTION: REARVIEW SYSTEM BRAKING; FORWARD COLLISION AVOIDANCE: WARNINGS; FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING; FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL. Technical Information for Various White Messages Regarding Driver Assistance Systems/Fault Memory Entry "C12D5FA" in the ZFAS Control Unit
No. 76-262026-09-04. Service bulletin. VISIBILITY/WIPER. Technical Information for Replacement Requirement for Left Door Window Pane - Change of Supplier: Using the Door Window Panes of the 911 (992PA).
74/252026-08-06. Service bulletin. AIR BAGS. Belt Lock Warning on Driver Side Permanently Active / No Fault Memory Entries: Delete Airbag Control Unit Fault Memory (SY 74/25)
18/262026-08-06. Warranty extension. POWER TRAIN. Warranty Information: Warranty Extension for Transmission Electronics Control Unit (18/26)
13/262026-08-06. Service bulletin. ENGINE. Allocation of Approved Engine Oils MY 2027 (13/26)
GR13D8002026-08-05. Service bulletin. SERVICE BRAKES. Parts Withdrawal - 1 Set of Brake Pads for Disk Brake
GR13D7972026-08-05. Service bulletin. ELECTRICAL SYSTEM. Parts Withdrawal - Steering Column Switch
SPTL 2607a2026-08-05. Service bulletin. UNKNOWN OR OTHER. VAS 621001A Matrix Headlamp Aimer – Automatic Shipment / Maha Installation

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