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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

Bulletins, newest first
23019212023-01-17. Service bulletin. POWER TRAIN; AIR BAGS. Power Side Steps Do Not Stow Or Deploy Properly This bulletin involves inspecting and if necessary replacing the driver or passenger power side step motor. Customers may notice one or more of the following:Power side steps do not stow or deploy properly. Information Panel Cluster (IPC) shows ?Obstacle Detection? fault.
19001212023-01-17. Service bulletin. STEERING; BACK OVER PREVENTION. Noise In Steering Column Tailshaft When Turning Steering Wheel This bulletin involves inspecting and replacing the steering column if necessary. The customer may notice there is a noise coming from the tailshaft of the steering column while turning.
23018212023-01-17. Service bulletin. FORWARD COLLISION AVOIDANCE: SENSING SYSTEM: CAMERA. Forward Facing Camera Bracket Delaminates From Windshield This bulletin involves Inspecting the urethane used to mount the IRCM (Integrated Radar Camera Module) bracket andreplacing the windshield if necessary. The customer may comment on the following: Forward facing camera bracket loses adhesion with the windshield. There is a warning message with MIL light illumination and that the advanceddriver assist features are inoperative
08077212023-01-17. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Flash: Amplifier (AMP) Diagnostic and System Updates This bulletin involves reprogramming the AMP with the latest available software. The following software enhancement is available: Amplifier update to eliminate static noise from the instrument panel mounted speakers.
742442023-01-17. Service bulletin. POWER TRAIN. Warranty Bulletin D-20-23 Part Order Restriction Program - 48V Power Pack Unit (PPU) - Select 2018 - 2021 Jeep Wrangler (JL) and 2019 - 2021 RAM (DT) (Rev. A)
S21080000072023-01-17. Service bulletin. STEERING. Increase In Steering Effort After Recent Repairs, DTC?s B210B-00 System Voltage High Or C2129-17 Battery Voltage Circuit Voltage Above Threshold, No Crank, No Start, Stop Start Inoperative
S2108000127-12023-01-17. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Radio Reboot Continually
S21080001302023-01-17. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Bubbles Or Delamination On The Radio Display
S21080001272023-01-17. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Radio Reboot Continually
S19230000142023-01-17. Service bulletin. STRUCTURE. Ram Box Lid Fitment And Or Closing Effort Issues
S21180000092023-01-17. Service bulletin. ENGINE AND ENGINE COOLING. Customer complains of a MIL-on condition. Upon further inspection, there is a Diagnostic Trouble Code (DTC) P0128 Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature) set in the PCM.
S21080001192023-01-17. Service bulletin. EQUIPMENT:ELECTRICAL. Apple CarPlay Malfunctioning, Does Not Launch Or Is Cutting In An Out On Wired And Wireless Connection, Radio Stuck When IPhone Is Connected
S20080000102023-01-17. Service bulletin. EQUIPMENT:ELECTRICAL. Apple Carplay Inoperative Or Not Working, Phone Not Pairing, Carplay Lockup, Freeze or Audio Concerns
S21230000282023-01-17. Service bulletin. STRUCTURE. Noise From Under Seat With Occupant Seated.
S21080001202023-01-17. Service bulletin. EQUIPMENT:ELECTRICAL. Radio Volume Uncontrollable Or Changing On Its Own
S21230000342023-01-17. Service bulletin. SUSPENSION; ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC). C15A1-00 Unable To Obtain Desired Ride Height Service Air Suspension Message On Cluster
S21230000332023-01-17. Service bulletin. BACK OVER PREVENTION. Underbody Ticking Noise That Increases With Vehicle Speed
S21080001172023-01-17. Service bulletin. EQUIPMENT:ELECTRICAL. Right Rear Side Marker Parking Lamp Does Not Illuminate
S21180000082023-01-17. Service bulletin. EQUIPMENT:ELECTRICAL; FUEL SYSTEM, GASOLINE. Hard To Fill Fuel Tank. Gas Pump Shuts Off During Filling
S21080000982023-01-17. Service bulletin. EQUIPMENT:APPLIANCE:TV/RADIO/SPEAKERS. Radio Screen Freeze, Blank Screen And Reset
S18090000072023-01-17. Service bulletin. ENGINE. Customer Complaint May Include Engine Oil Leak Or Consumption
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
S21080001092023-01-17. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Remote Key Fobs Only Work In Close Range
S21180000062023-01-17. Service bulletin. ELECTRICAL SYSTEM. Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Code (DTC) P20C6 ? Reductant Heater 4 Control Circuit, Set.
90043822023-01-17. Service bulletin. SUSPENSION; STRUCTURE:BODY:TAILGATE. BUSHING, Tailgate Pivot For vehilces built after Dec 1 2020 if the tailgate is making a noise when opening or closing or if the bushing is being replaced for any reason please call FCA Redacted Content. If no response in 15 minutes, proceed with repair. Please take pictures of the inside of the pivot cup after plastic bushing removal and pictures of the pivot post on the box side hinge. Mail pictures to FCA Redacted Content.

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