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Service bulletins for the 2021 Ram 1500

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.

1129 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
1131232026-07-08. Service bulletin. SERVICE BRAKES. SPRING KIT - DISC BRAKE PAD
S25050000032025-12-17. Service bulletin. SERVICE BRAKES. Diagnostic Trouble Code (DTC) C0050-00-Brake System Hydraulic Leak Set After Recent Repair.
S25230000912025-12-17. Service bulletin. SERVICE BRAKES. Antilock Brake (ABS) Light On. Intermittent Or Implausible Wheel Speed Sensor Signal Diagnostic Trouble Codes (DTCs)
S1805000006 REV.B2025-11-13. Service bulletin. SERVICE BRAKES. ESC Light Illuminated. DTC C1252-92 VACUUM PUMP CONTROL CIRCUIT And Or P258B ELECTRONIC VACUUM PUMP PERFORMANCE
1029502025-02-04. Service bulletin. SERVICE BRAKES. MODULE - ANTI-LOCK BRAKE SYSTEM
1029482025-02-04. Service bulletin. SERVICE BRAKES. MODULE - ANTI-LOCK BRAKE SYSTEM
S25230000052025-01-21. Service bulletin. SERVICE BRAKES. "Squeak Noise From Brake Pedal When Pressed And Or Released."
1004182024-10-02. Service bulletin. SERVICE BRAKES. MODULE - ANTI-LOCK BRAKE SYSTEM
1004212024-10-02. Service bulletin. SERVICE BRAKES. MODULE - ANTI-LOCK BRAKE SYSTEM
993992024-07-31. Other. SERVICE BRAKES. MODULE - ANTI-LOCK BRAKE SYSTEM
S1623000028 Rev.2023-02-13. Service bulletin. VEHICLE SPEED CONTROL; BACK OVER PREVENTION; POWER TRAIN; VISIBILITY; PARKING BRAKE. Outside Power Fold Rearview Mirror Noise Or Loose At Pivot. Mirror Contacts Door Window Glass In The Folded Position.
S19250000082023-01-17. Service bulletin. EXTERIOR LIGHTING; FUEL SYSTEM, GASOLINE; SERVICE BRAKES, HYDRAULIC. Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Codes (DTCs) P208B ? Reductant Pump 1 Control Performance, and/or P20E8 ? Reductant Pressure Too Low, Set.
S21080001702023-01-17. Service bulletin. PARKING BRAKE. Head unit button stuck DTC code B14DA-2A
90043982023-01-17. Service bulletin. PARKING BRAKE; VISIBILITY. GLASS, Mirror Replacement If the glass is found loose or detached from the glass holder, please return the Mirror Assembly to QEC for analysis.
S21080001102023-01-17. Service bulletin. TRAILER HITCHES; SERVICE BRAKES, HYDRAULIC; BACK OVER PREVENTION. IPC (Instrument Panel Cluster) Sets DTC U013A-00 - Lost Communication with Trailer Tire Pressure Monitor Module
23014222023-01-09. Service bulletin. PARKING BRAKE; BACK OVER PREVENTION. Driver Side Seat incorrect fasteners This bulletin involves inspecting and if necessary replacing the driver?s side seattrack bolts. The customer may describe that the driver's side seat feels loose when adjusting and makes a rattling/clunk noise over bumps.
S2208000138RevA2022-12-12. Service bulletin. SERVICE BRAKES. Decreased Remote Start And RKE Range. Tire Pressure Sensors Values Are Not Displayed
S19250000082022-10-17. Service bulletin. SERVICE BRAKES; FUEL SYSTEM, GASOLINE; EXTERIOR LIGHTING. (Rev. B) Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Codes (DTCs) P20E8 ? Reductant Pressure Too Low and/or P208B ? Reductant Pump 1 Control Performance Set.
S2121000015RevB2022-10-17. Service bulletin. PARKING BRAKE:DRIVELINE. Driveline Clunk When Stopping Or Upon Take Off Launch Immediately After A Stop
18048212022-10-17. Service bulletin. PARKING BRAKE; AIR BAGS; ELECTRICAL SYSTEM; POWER TRAIN:MANUAL TRANSMISSION:CONTROL MODULE:SOFTWARE. Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. The customer may experience the following:LED light in the Start/Stop button will not illuminate when pressed.
S21080001102022-10-17. Service bulletin. SERVICE BRAKES, HYDRAULIC; TRAILER HITCHES; BACK OVER PREVENTION. IPC (Instrument Panel Cluster) Sets DTC U013A-00 - Lost Communication with Trailer Tire Pressure Monitor Module
23014222022-10-17. Service bulletin. BACK OVER PREVENTION; PARKING BRAKE. Driver Side Seat incorrect fasteners This bulletin involves inspecting and if necessary replacing the driver?s side seattrack bolts. The customer may describe that the driver's side seat feels loose when adjusting and makes a rattling/clunk noise over bumps.
S19250000082022-09-26. Service bulletin. EXTERIOR LIGHTING; FUEL SYSTEM, GASOLINE; SERVICE BRAKES, HYDRAULIC. Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Codes (DTCs) P208B ? Reductant Pump 1 Control Performance, and/or P20E8 ? Reductant Pressure Too Low, Set.
S21080001702022-09-26. Service bulletin. PARKING BRAKE. Head unit button stuck DTC code B14DA-2A
S21230000542022-09-26. Service bulletin. PARKING BRAKE. Hood Bezel Nameplate 6.2L Supercharged Is Missing, Coming Off, Loose Or Crooked

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