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Service bulletins for the 2020 Ram 2500

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.

730 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Only bulletins with component: Brakes are shown. Show all

Bulletins, newest first
05-002-212021-02-16. Service bulletin. SERVICE BRAKES. Uneven Front Brake Pad Wear This bulletin involves inspecting the front brake pads for uneven wear and it involvesre-torquing front brake fasteners and checking for proper caliper slide action. The customer may comment on the following: Unusual noise when braking, likely a grinding noise as though pads are wornout.
S20080001402020-10-26. Service bulletin. SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:ABS WARNING LIGHT; SERVICE BRAKES, HYDRAULIC. Antilock Brake System (ABS) Lamp On, Rear Wheel Sensor DTC?s Present
08-061-202020-07-27. 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.
S20080000522020-05-26. Service bulletin. SERVICE BRAKES; ELECTRICAL SYSTEM. Service Trailer Brake Warning Message Displayed On The Cluster
90042552020-05-26. Service bulletin. PARKING BRAKE; ELECTRICAL SYSTEM. SWITCH, Ignition, Push Button (Keyless Ignition Node) Prior to replacing parts for a B1A7D-2A Diagnostic trouble code on heavy duty trucks.Please call FCA Redacted Content , please email a scan and config report to FCA Redacted Content. If no response in 15 minutes, proceed with repair.
90042452020-05-26. Service bulletin. ENGINE AND ENGINE COOLING; PARKING BRAKE. Gasket, Timing Gear Housing For 2019, and 2020 Model Year Only. If you are replacing the timing housing gasket due to an oil leak, please take detailed pictures of the leak, and submit them to the Star Center. Once submitted, continue with the repair. During the repair, check the breakaway torque of the gear housing retaining bolts. If any are found to be loose, note the location of the loose bolt(s) in the Star case.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.