Service bulletins for the 2018 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.
589 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with component: Driver assistance are shown. Show all
| No. 11-25 | 2026-01-06. Service bulletin. FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL; LANE DEPARTURE: ASSIST; LANE DEPARTURE: WARNING; FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING; FORWARD COLLISION AVOIDANCE: WARNINGS. Technical information for Various Error Messages Regarding Driver Assistance Systems in the Instrument Cluster in Conjunction With Passive Fault Memory Entries in the Driver Assistance Systems Control Unit - ZFAS |
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| 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 |
| 122-X4K4K-07 | 2018-08-06. Service bulletin. BACK OVER PREVENTION; EQUIPMENT; ELECTRICAL SYSTEM:SOFTWARE. Symptom: The reversing camera image remains active while driving. Cause: Incorrect coding of the reversing camera control unit can cause the reversing camera image to remain active even while driving. |
| 122-X4K4K-07 | 2018-07-30. Service bulletin. BACK OVER PREVENTION. Symptom: The reversing camera image remains active while driving. Cause: Incorrect coding of the reversing camera control unit can cause the reversing camera image to remain active even while driving. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.