RAM 1500 2025 — technical service bulletin
Bulletin 08-166-26 · NHTSA communication 11031446 · issued Apr 18, 2026
Technical service bulletin
communication type
Lane Departure
component
2025
model years
1
vehicle entries
Official summary
Rear Mid Range Radar (MRR) Bracket Revision Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● C00C4-76 - Rear Radar Module "A" - Wrong Mounting Position. ● C00C5-76 - Rear Radar Module "B" - Wrong Mounting Position. Customers may also comment on the following: ● Blind Spot Warning indicator displayed on the Instrument Panel Cluster (IPC). This bulletin involves replacing the right and left side rear MRR brackets.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.