RAM 1500 2025 — technical service bulletin
Bulletin 08-237-26 · NHTSA communication 11033943 · issued Jun 11, 2026
Technical service bulletin
communication type
Service Brakes
component
2025
model years
1
vehicle entries
Official summary
Flash: Brake System Control Module (BSCM) Update Customers may comment on the following: ● Anti-Lock Brake System (ABS), Electronic Stability Control (ESC), 'Decel ACC' lights on in Instrument Panel Cluster (IPC). Technicians may find the following: ● Diagnostic Trouble Code (DTC) "C121A-00 - Steering Angle Sensor Not Initialized" is stored with no Malfunction Indicator Lamp (MIL) illuminated This bulletin involves reprogramming the BSCM with the latest available software.
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.