Service bulletins for the 2020 Ram 4500
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.
569 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with component: Anti-lock brakes are shown. Show all
| 0806120 | 2022-10-17. Service bulletin. SERVICE BRAKES, AIR:ANTILOCK:CONTROL UNIT/MODULE. Flash: Anti-lock Brake System (ABS) Enhancements This bulletin involves reprogramming the ABS module with the latest software available. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Code (DTC) has been set:C006A-49 - Multi-Axis Acceleration Sensor - Internal Electronic Failure. |
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| 08-061-20 | 2020-07-27. Service bulletin. SERVICE BRAKES, AIR:ANTILOCK:CONTROL UNIT/MODULE; ELECTRICAL SYSTEM:SOFTWARE. Flash: Anti-lock Brake System (ABS) Enhancements This bulletin involves reprogramming the ABS module with the latest software available. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Code (DTC) has been set:C006A-49 - Multi-Axis Acceleration Sensor - Internal Electronic Failure. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.