Service bulletins for the 2023 Ram 3500
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.
375 on file from NHTSA, as of 2026-10-19.
About C003A on the 2023 Ram 3500: what the code means, and the bulletins and recalls about the same components.
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By component
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Only bulletins with trouble code: C003A are shown. Show all
| 05-004-24 | 2024-12-10. Service bulletin. SERVICE BRAKES; ELECTRICAL SYSTEM. "Brake Warning Lamp Illumination Over Rumble Strips Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one or more of the following Diagnostic Trouble Codes (DTCs) have been set: ● C003A-2F - Right Rear Wheel Speed Sensor - Signal Erratic. ● C0037-2F - Left Rear Wheel Speed Sensor - Signal Erratic. Customers may also comment on the following: ● Automatic Brake System (ABS) lamp and Electronic Stability Control (ESC) lamp turn on when driving over rumble strips. This bulletin involves replacing one or both rear wheel speed sensors. " |
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| S2205000002 | 2024-03-18. Service bulletin. WHEELS. C003A-2F Right Rear Wheel Speed Sensor, C0037-2F Left Rear Wheel Speed Sensor Diagnostic Trouble Codes (DTCs) Set While Driving With Payload Or Trailer Towing. |
| S2205000002 | 2023-10-02. Service bulletin. WHEELS. C003A-2F Right Rear Wheel Speed Sensor, C0037-2F Left Rear Wheel Speed Sensor Diagnostic Trouble Codes (DTCs) Set While Driving With Payload Or Trailer Towing. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.