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Service bulletins for the 2020 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.

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

By type

By component

By trouble code

By topic

Bulletins, newest first
23-012-202020-05-26. Service bulletin. 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).
S18080001472020-05-26. Service bulletin. EQUIPMENT. Radio Does Not Save Sirius XM 360L Radio Presets
S19080002082020-05-26. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. Satellite Radio Inoperative Radio Has Code B156B-13.
S20230000182020-05-26. Service bulletin. TRAILER HITCHES; LANE DEPARTURE. Trailer Detection For Heavy Duty Truck - Blind Spot And Trailer Merge Assist
S20230000142020-05-26. Service bulletin. VISIBILITY. Single Pop Noise From Rear Of Sunroof While Opening
90042402020-05-26. Service bulletin. STRUCTURE:BODY. Front End Cover, Cold Weather Cover FRONT END COLD WEATHER COVER CAN NOT BE INSTALLED ON VEHICLES WITH FRONT CAMERA IN THE GRILL. Do Not Cover The Forward Collision Warning System Camera. An updated cover will be available by June 2020.
90042302020-05-26. Service bulletin. EQUIPMENT:ELECTRICAL. LAMP, Center High Mounted Stop (CHMSL - Cargo lamp) For concern of water leak intrusion at CHMSL lamp: Before CHMSL lamp removal, please check for proper CHMSL installation. Verify that CHMSL harness is well hidden (not visible) into the cabin and not trapped between lamp and cabin. If harness is trapped, take a picture and verify seal foam also has a harness mark. Add this comment into narrative. Please call FCA Redacted Content prior to replacing the component (if needed). If no response in 15 minutes, proceed with repair.
23-012-20 REV. A2020-05-18. Service bulletin. SERVICE BRAKES, HYDRAULIC:PEDALS AND LINKAGES. 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).
23-012-202020-05-18. Service bulletin. 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).
S18080001472020-05-18. Service bulletin. EQUIPMENT. Radio Does Not Save Sirius XM 360L Radio Presets
S19080002082020-05-18. Service bulletin. EQUIPMENT. Satellite Radio Inoperative Radio Has Code B156B-13.
S20230000182020-05-18. Service bulletin. LANE DEPARTURE; TRAILER HITCHES. Trailer Detection For Heavy Duty Truck - Blind Spot And Trailer Merge Assist
S20230000142020-05-18. Service bulletin. VISIBILITY:SUN/MOON ROOF ASSEMBLY. Single Pop Noise From Rear Of Sunroof While Opening
90042402020-05-18. Service bulletin. BACK OVER PREVENTION; LANE DEPARTURE; FORWARD COLLISION AVOIDANCE. Front End Cover, Cold Weather Cover FRONT END COLD WEATHER COVER CAN NOT BE INSTALLED ON VEHICLES WITH FRONT CAMERA IN THE GRILL. Do Not Cover The Forward Collision Warning System Camera. An updated cover will be available by June 2020.
90042302020-05-18. Service bulletin. VISIBILITY; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. LAMP, Center High Mounted Stop (CHMSL - Cargo lamp) For concern of water leak intrusion at CHMSL lamp: Before CHMSL lamp removal, please check for proper CHMSL installation. Verify that CHMSL harness is well hidden (not visible) into the cabin and not trapped between lamp and cabin. If harness is trapped, take a picture and verify seal foam also has a harness mark. Add this comment into narrative. Please call FCA Redacted Content prior to replacing the component (if needed). If no response in 15 minutes, proceed with repair.
23-012-20 REV. A2020-04-27. Service bulletin. 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).
23-012-202020-04-27. Service bulletin. 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).
S18080001472020-04-27. Service bulletin. EQUIPMENT:ELECTRICAL. Radio Does Not Save Sirius XM 360L Radio Presets
S19080002082020-04-27. Service bulletin. EQUIPMENT:ELECTRICAL. Satellite Radio Inoperative Radio Has Code B156B-13.
S20230000182020-04-27. Service bulletin. VISIBILITY; BACK OVER PREVENTION; LANE DEPARTURE; TRAILER HITCHES. Trailer Detection For Heavy Duty Truck - Blind Spot And Trailer Merge Assist
S20230000142020-04-27. Service bulletin. BACK OVER PREVENTION. Single Pop Noise From Rear Of Sunroof While Opening
90042402020-04-27. Service bulletin. FORWARD COLLISION AVOIDANCE. Front End Cover, Cold Weather Cover FRONT END COLD WEATHER COVER CAN NOT BE INSTALLED ON VEHICLES WITH FRONT CAMERA IN THE GRILL. Do Not Cover The Forward Collision Warning System Camera. An updated cover will be available by June 2020.
90042302020-04-27. Service bulletin. EXTERIOR LIGHTING. LAMP, Center High Mounted Stop (CHMSL - Cargo lamp) For concern of water leak intrusion at CHMSL lamp: Before CHMSL lamp removal, please check for proper CHMSL installation. Verify that CHMSL harness is well hidden (not visible) into the cabin and not trapped between lamp and cabin. If harness is trapped, take a picture and verify seal foam also has a harness mark. Add this comment into narrative. Please call FCA Redacted Content prior to replacing the component (if needed). If no response in 15 minutes, proceed with repair.
08-020-202020-04-06. Service bulletin. SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER; ELECTRICAL SYSTEM. Body Control Module (BCM) Reconfigure for Enabling the Auto-On Comfort Settings This bulletin involves reconfiguring the BCM and possibly a radio reset, to enable the auto-on comfort settings. Customers may comment on one or more of the following:If below 4 °C (40 °F), the heated seats or heated steering wheel turn on by themselves. If above 26 °C (80 °F), the vented seats turn on by themselves. Cannot turn off the auto-on comfort feature. With the symptom/condition listed above, there?s no setting in the radio to turn the auto-on comfort feature off.
OD628912020-04-06. Service bulletin. POWER TRAIN. Safety Recall W03 2019-2020 D Transmission Valve Body Recommended Operation Ahead of Recall Launch

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