RAM
08-056-26
Manufacturer communications
- Publication date
- 2026-02-21
- Received by NHTSA
- 2026-03-05
- NHTSA record numbers
- 11029664
Manufacturer summary
Original wording in English
Flash: Brake System Control Module (BSCM) Updates 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):
• C0037-2F - Left Rear Wheel Speed Sensor - Signal Erratic.
• C003A-2F - Right Rear Wheel Speed Sensor - Signal Erratic. Customers may also comment on the following:
• When either or both DTCs are set the ABS light will turn on and vehicle will lose ABS, Trailer Sway Control (TSC) and Electronic Stability Control (ESC) functions. , new LOPs, new Claims Data info, new
• C0037-2F - Left Rear Wheel Speed Sensor - Signal Erratic.
• C003A-2F - Right Rear Wheel Speed Sensor - Signal Erratic. Customers may also comment on the following:
• When either or both DTCs are set the ABS light will turn on and vehicle will lose ABS, Trailer Sway Control (TSC) and Electronic Stability Control (ESC) functions. , new LOPs, new Claims Data info, new
Reported code forms
Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
Ram
C0037-2FLeft Rear Wheel Speed Sensor - Signal ErraticRam
C003A-2FRight Rear Wheel Speed Sensor - Signal ErraticCheck vehicle applicability
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Ram | 3500 | 2026 |