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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
90045102022-09-26. Service bulletin. STRUCTURE; POWER TRAIN. FRAME, Front Seat Cushion If replacing this for a power seat does not move, refer to STAR parts section 050 - Interior Trim 905.02 - Adjusters, Recliners, Shields and Risors - Drivers Seat, Power Seat Motors The motors are available separately from the frame Assembly
90045052022-09-26. Service bulletin. EQUIPMENT:ELECTRICAL. Lithium Ion Batteries Beginning April 1, 2022, a $5,000 penalty will be assessed to dealers who return any visually damaged battery to the supplier. Improper handling of damaged lithium ion batteries can cause property damage, serious injury or even death. Exemptions will not be made for any dealer who fails to follow the appropriate handling process. To read the DCMail communication, go to DealerCONNECT > DCMail (ID: 81758) For details on recyclers, please visit the Mopar Dealer Site Lithium Ion Battery Handling page: https://www.dealers-mopar.com/moparone/retail/programs/battery-program/lithium-ion.jsp
90045032022-09-26. Service bulletin. ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC); ELECTRICAL SYSTEM; SUSPENSION. SWITCH, Instrument Panel (Air Suspension Switch) Suspension Switch INOP, after diagnosis do not swap the switch. Engineering needs to review the vehicle before any fix. Please contact FCA Redacted Content with the VIN number and contact name/phone if you are located in Detroit Metro area only. If no response in 15 minutes, proceed with repair.
90044932022-09-26. Service bulletin. FUEL SYSTEM, OTHER. RAIL, Fuel Prior to replacing this compoenent, please contact one of the following prior to disassembly: FCA Redacted Content If no response in 15 minutes, proceed with repair.
25001212022-09-26. Service bulletin. FUEL SYSTEM, GASOLINE; EXTERIOR LIGHTING; ELECTRICAL SYSTEM. Dual EVAP System Extreme Duty Vapor Canister Filter Kit This informational bulletin is to make technicians aware that an EVAP dual vapor canister filter kit(Mopar part #68478013AA)is available in place of the OEM single vapor canister filter.This kit should not be installed on vehicles driven in normal conditions that are not subjected to the below symptom/conditions. Customers operating fleet or severe/extreme duty gasoline vehicles in continuous dusty driving conditions can plug the single OE filter system and may experience a Malfunction Indicator Lamp (MIL) illumination. Upon furtherinvestigation the technician may find that the following Diagnostic Trouble Codes (DTCs) have been set:P0441 - EVAP Purge System Performance. P062A - Fuel Pump Control Performance. Customers may also experience the following conditions:Hard to fill fuel tank with fuel. Premature shut-off of the gas nozzle when refueling. Flow back of fuel while refueling.
W822022-09-26. Service bulletin. SERVICE BRAKES, AIR:DISC:CALIPER. Customer Satisfaction Notification W82 Front Brake Caliper Piston
S21110000012022-09-26. Service bulletin. BACK OVER PREVENTION; WHEELS. Customer complains of a brief metallic ticking/rattling/ringing noise after a cold start-up, that can be heard while standing outside the vehicle, resonating from the front wheel well areas. If the noise is present, it is normally heard at idle and the frequency of the noise will follow engine speed.
S21080000532022-09-26. Service bulletin. ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC); SUSPENSION. Cluster Message, Service Air Suspension And Start/Stop Does Not Function
S21080000522022-09-26. Service bulletin. SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER. Heated Seat LED Indicator Turns On And Back Off. One Or More Heated Seat DTC?s
S21230000112022-09-26. Service bulletin. BACK OVER PREVENTION. Rattle Tapping Fluttering Noise From A Pillar Or Dash Driving At Highway Speeds
S21050000012022-09-26. Service bulletin. ELECTRICAL SYSTEM. Hill Descent Control HDC Inoperative From IP Center Stack Switch
S2008000042RevA2022-09-26. Service bulletin. BACK OVER PREVENTION. Radio Display Is Black After Replacing The Rear View Camera
S21080000492022-09-26. Service bulletin. FUEL SYSTEM, GASOLINE. Windshield Washer Fluid Pump Does Not Function. Interior Rear Dome, Vanity And Glove Box Lamps Do Not Illuminate
S21020000012022-09-26. Service bulletin. ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC); SUSPENSION. Service Air Suspension Message On Cluster With DTC?s C15D9-00 C15A1-00
S2123000009RevA2022-09-26. Service bulletin. EXTERIOR LIGHTING; AIR BAGS. Water is leaking into cab through the third brake light CHMSL
S2008000126RevC2022-09-26. Service bulletin. ELECTRICAL SYSTEM. RKE Has Reduced Range, Remote Start Inoperative, Multiple Keyless Go Push Attempts To Start, Key Not Detected Message
S21080000452022-09-26. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE. Favorite Song On-Air Alert List Empty
S21080000432022-09-26. Service bulletin. BACK OVER PREVENTION. Backup Camera has Black Screen with ?Check Entire Surroundings? Message
S21080000392022-09-26. Service bulletin. BACK OVER PREVENTION. Back Up Camera Inoperative Complaints, Radio Display Blue Or Blank When Placed In Reverse
S21230000092022-09-26. Service bulletin. EXTERIOR LIGHTING. Water is leaking into cab through the third brake light CHMSL
S1808000233RevA2022-09-26. Service bulletin. SEAT BELTS; VEHICLE SPEED CONTROL. The Passive Entry Door Handle Does Not Unlock The Door And B25A3-00 Or B25A4-00 May Be Active
S2119000001RevA2022-09-26. Service bulletin. BACK OVER PREVENTION; STEERING. Click Pop Creak Noise While Turning Steering Wheel
S21140000012022-09-26. Service bulletin. VEHICLE SPEED CONTROL. Humming/Buzzing Noise From Under The Hood With The Key Off.
90043462022-09-26. Service bulletin. STRUCTURE:BODY:DOOR. MOLDING, Day light opening If the complaint for this part is coming loose or pulling away from the door please contact FCA Redacted Content. If no response in 15 minutes, proceed with repair. Please take pictures of the part condition and an overall picture of the affected door/area and send them to FCA Redacted Content.
S1818000024RevB2022-09-15. Service bulletin. FUEL SYSTEM, DIESEL:FUEL INJECTION SYSTEM. Diesel Fuel Injector Cleaning Procedure

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