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: Air bags are shown. Show all
| 78880 | 2021-12-13. Service bulletin. AIR BAGS; WHEELS. UPDATES - SAFETY RECALL Y26 WHEEL STUDS |
|---|---|
| S2124000003 | 2021-05-24. Service bulletin. AIR BAGS. A/C Performance Not As Hot/Cold On Driver Side - DTC's B11CB-92, B11CB-11 |
| 08-029-21 REV. A | 2021-04-26. Service bulletin. VEHICLE SPEED CONTROL; AIR BAGS; VISIBILITY; ELECTRICAL SYSTEM. Door Control Module Window Inoperative This bulletin involves replacing one or both of the door modules. Technician may find that one or more of the following Diagnostic Trouble Codes (DTCs) have been set: B18BA-12 - Window Control - Circuit Short to Battery B18BA-13 - Window Control - Circuit Open In addition the customer may notice one or more of the following: Driver and/or passenger windows stop working. If the window switch is held in the up position for at least two seconds,the obstruction auto-down function may not work. Windows may go up slower than expected. |
| 23-012-20 REV. A | 2020-05-26. Service bulletin. AIR BAGS; PARKING BRAKE. Park Brake Pedal Doesn't Fully Return This bulletin involves inspecting and if necessary, replace the parking brake tensioner and then adjust the parking brake cable system. Customer may comment on one or more of the following:The parking brake foot pedal does not fully return. The red ?brake? light is illuminated in the Instrument Panel Cluster (IPC). |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.