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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
S22080000682022-05-31. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. ?Device Not Supported? Message on the radio screen
S22090000022022-05-31. Service bulletin. ENGINE AND ENGINE COOLING; ENGINE. Customer complaints may include abnormal engine noise, rough idle, lack of power, misfire. When performing diagnosis, an internal engine concern may be suspected.
S2023000037 RevA2022-05-31. Service bulletin. STRUCTURE. Wind Whistle Noise From Dash A Pillar Area While Driving
S2123000059 RevA2022-05-31. Service bulletin. STRUCTURE:BODY:ROOF AND PILLARS; STRUCTURE. Water Leak At Headliner Near Driver Microphone
S22080000582022-05-31. Service bulletin. ELECTRICAL SYSTEM. AUX Switch ?Recall Last State?, ?Latching? or ?Momentary? Functions Are Not Remembered
90045102022-05-31. Service bulletin. POWER TRAIN; STRUCTURE. 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
90045052022-05-31. Service bulletin. STRUCTURE; 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
90045032022-05-31. Service bulletin. ELECTRICAL SYSTEM; SUSPENSION; ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC). 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.
90044932022-05-31. 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.
23-039-212021-12-13. Service bulletin. LATCHES/LOCKS/LINKAGES; STRUCTURE; STRUCTURE:BODY:DOOR. Front Door Lock Grommet Retrofit This bulletin involves retrofitting the front door lock grommet with a new part to allow the door lock to be recessed into the grommet on both front doors The customer may comment on the following:The arm, elbow or skin may be contacted during a auto door lock cycle event.
08-137-21 REV. B2021-12-13. Service bulletin. ELECTRICAL SYSTEM; STEERING. Flash: Electric Power Steering (EPS) Module Updates This bulletin involves updating the EPS module with the latest available software. Customers may experience the following:Vibration felt or noise heard when turning right at low speeds.
02-006-212021-12-13. Service bulletin. SUSPENSION; SUSPENSION:FRONT. Front Shock Oil Weepage This bulletin involves re-torquing the front shock line fitting to stop a possible oil weepage issue. Customers may comment on the following: Oil from the shock fitting is seen on or around the shock fitting area, this may not leak or be seen on the ground where the vehicle is parked. Do not replace the shock assembly for this issue.
08-137-21 REV. A2021-12-13. Service bulletin. STEERING; ELECTRICAL SYSTEM. Flash: Electric Power Steering (EPS) Module Updates This bulletin involves updating the EPS module with the latest available software. Customers may experience the following: Vibration felt or noise heard when turning right at low speeds.
23-038-212021-12-13. Service bulletin. STRUCTURE. Loose 6.2L Supercharged Emblem Adhesion to The Hood Bezel This bulletin involves inspecting and if necessary, replacing both hood bezels 6.2L Supercharged emblem(s). The customer may describe what appears to be a gap between the emblem(s) and the bezel on the hood of the vehicle. The 6.2L Supercharged emblem(s) may separate from the hood bezel due to insufficient adhesive bond strength.
03-005-212021-12-13. Service bulletin. SUSPENSION; TRAILER HITCHES. Rear Axle Vibration, Shudder Or Chatter This bulletin involves changing the rear axle lube to possibly address a chatter, shudder or vibration. The customer may describe the following:A chatter, shudder, or vibration from the rear axle during turns. This may happen more as the vehicle ages, especially if the vehicle is used extensively for towing or hauling heavy loads. The cause of the concern may be due to degradation of the rear axle fluid. It is very important to follow the routine maintenance schedules on these vehicles when it comes to changing the rear axlefluid if the vehicle is used primarily for towing or hauling heavy loads. If you experience a vehicle with the above condition, please perform the proper maintenance procedures for the rear axle and replace the fluid first before replacing any hardware components.This service bulletin is only applicable to vehicles that have no history of an axle fluid replacement. If the vehicle usage includes police, taxi, fleet, off-road or frequent trailer towing, regular axle fluid changes are required every3 years or 30,000 miles (whichever comes first) per the Maintenance Schedule in the vehicle Owner's Manual.
08-086-21 REV. C2021-12-13. Service bulletin. VEHICLE SPEED CONTROL; VISIBILITY:POWER WINDOW DEVICES AND CONTROLS; POWER TRAIN; AIR BAGS; VISIBILITY; ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:SOFTWARE. Flash: Driver Door Module (DDM) and Passenger Door Module (PDM) Updates This bulletin involves reprogramming the DDM and PDM with the latest available software. Customers may notice:Exterior mirrors do not return to the original position after shifting out of reverse gear. Exterior mirrors continue to tilt downwards even after shifting out of reverse gear. For vehicles on the RRT VIN List this software is to improve the function and reliability of the power windows operation.
02-001-21 REV. A2021-12-13. Service bulletin. WHEELS; STEERING; SUSPENSION. Steering Wheel Off-center Due to Incorrect Front Wheel Alignment Specifications This bulletin involves adjusting the front wheel alignment to correct a steering wheel off center condition. This is due to an inaccurate alignment settings from the plant. The customer may describe the steering wheel is off center.
S21080002672021-12-13. Service bulletin. EQUIPMENT:ELECTRICAL. SXM Travel Link Weather map doesn't show precipitation properly
S21230000762021-12-13. Service bulletin. VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR. Both Exterior Mirrors Not Power Folding
90044442021-12-13. Service bulletin. ENGINE AND ENGINE COOLING. SPRING, Valve For conern of misfire or misfire related DTCs and diagnosis leads to a broken valve spring, please replace all valve springs and contact FCA Redacted Content to FasTrak all replaced parts to QEC for further analysis. If no response in 15 minutes, proceed with repair.
21-020-212021-06-28. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. Flash: Transmission Control Module (TCM) Updates This bulletin involves reprogramming the TCM with the latest available software. Customers may experience the follwing:Unable to set desired gear manually from the steering wheel controls.
09-005-212021-06-28. Service bulletin. ENGINE. 6.2L Engine Oil Temperature Sensor Leak This bulletin involves re-torquing the oil temperature sensor to the provided specification. Customers may notice a slight oil leak from under the vehicle near the oil temperature sensor location
21-019-212021-06-28. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. Flash: Transmission Control Module (TCM) Updates This bulletin involves reprogramming the TCM with the latest available software. Customers may experience the follwing:Unable to set desired gear manually from the steering wheel controls.
09-004-212021-06-28. Service bulletin. ENGINE. Oil Control Valve Connector Not Seated This bulletin involves inspecting the oil control valve connector and possibly seating the connector. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Code (DTC) has been set: P0013 - Bank 1 Camshaft 2 Position Actuator Circuit Open.
21-018-212021-06-28. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. Flash: Transmission Control Module (TCM) Updates This bulletin involves reprogramming the TCM with the latest available software. The customer may describe one or more of the following:During a 2 - 3 transmission upshift, the engine is hitting rev limit. Hesitation feel during a pedal tip in, while engine is warming up below 1 °C (30 °F) ambient temp.

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