Service bulletins for the 2021 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.
750 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with component: Backup camera are shown. Show all
| No. 11-25-4 | 2026-09-04. 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 |
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| No. 75-25 | 2026-09-04. 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 |
| ASB2 | 2026-08-05. Service campaign. ELECTRICAL SYSTEM; BACK OVER PREVENTION: WARNINGS. Re-Programming Assistance System Control Unit (Stop Delivery/Recall Campaign) |
| 03/26 9102 | 2026-07-07. Service bulletin. BACK OVER PREVENTION: WARNINGS; ELECTRICAL SYSTEM. Complaint Regarding the Camera View (Real Top View) in the PCM Central Display (03/26) |
| PIWIS2301ar | 2023-08-03. Service bulletin. BACK OVER PREVENTION:SOFTWARE. Information for PIWIS tester updates 42.000.050 & .051 |
| PIWIS2301aq | 2023-08-03. Service bulletin. BACK OVER PREVENTION:SOFTWARE. Information for PIWIS tester update 42.000.048 |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.