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Service bulletins for the 2021 Ram 1500

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.

1129 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Blind spot detection are shown. Show all

Bulletins, newest first
9100274 Rev 12026-08-06. Service bulletin. LANE DEPARTURE: BLIND SPOT DETECTION. Blindspot Module For concern on Blindspot Module setting U11FB-00 Lost Communication with Left Blind Spot Sensor, U11FA-00 Lost Communication with Right Blind Spot Sensor. Some vehicle(s) where the Blindspot Module was replaced had no issues found with the Blindspot Module after testing. Please verify no wiring or connector issues are present prior to module replacement.
1032892025-03-04. Service bulletin. BACK OVER PREVENTION: WARNINGS; LANE DEPARTURE: BLIND SPOT DETECTION. CAMERA - REAR VIEW
1032882025-03-04. Service bulletin. LANE DEPARTURE: BLIND SPOT DETECTION. CAMERA - REAR VIEW
S258A0000062025-02-15. Service bulletin. LANE DEPARTURE: BLIND SPOT DETECTION. Rear ParkView Backup Camera Guidelines Not Appearing On Radio
91002742024-01-16. Service bulletin. ELECTRICAL SYSTEM:ADAS:BLINDSPOT:SENSORS; ELECTRICAL SYSTEM:ADAS:BLINDSPOT:SOFTWARE. Blindspot Module For concern on Blindspot Module setting U11FB-00 Lost Communication with Left Blind Spot Sensor, U11FA-00 Lost Communication with Right Blind Spot Sensor. Some vehicle(s) where the Blindspot Module was replaced had no issues found with the Blindspot Module after testing. Please verify no wiring or connector issues are present prior to module replacement. Prior to replacing the Blindspot Module, Please Contact Engineering: FCA REDACTED CONTENT If no response in 15 minutes, please proceed with repair.
S21080000032022-07-18. Service bulletin. VISIBILITY; EQUIPMENT ADAPTIVE/MOBILITY; WHEELS; STEERING; ELECTRICAL SYSTEM:ADAS:BLINDSPOT:SENSORS. Cluster Displays Blind Spot Alert Off Incompatible Trailer Message, Left Steering Wheel Switches Do Not Allow Update Or Change

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