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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
S2108000071RevC2022-09-15. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Cluster Displays Service Active Dampening System Message, DTC B2286 Calibration Not Learned ? Lost Calibration
S21020000072022-09-15. Service bulletin. VISIBILITY. Customer Indicates The Vehicle Visually Has a Lean
S21080002042022-09-15. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Radio Lockup In The Software Installation Screen After Accepting FOTA Update (Incorrect "S2008000204" indicated on published document)
S21210000152022-09-15. Service bulletin. PARKING BRAKE:DRIVELINE. Driveline Clunk When Stopping Or Upon Take Off Launch Immediately After A Stop
S21090000102022-09-15. Service bulletin. ENGINE. 3.0L Ecodiesel Engine Oil Information
S2108000062REVA2022-09-15. Service bulletin. SUSPENSION. Rumbling, Rough Engine Vibration 1600 to1800, CEL (Check Engine Lamp) On, Cylinder Misfire DTC?s
S21080001992022-09-15. Service bulletin. AIR BAGS. Check Engine Light (CEL), Start Stop Disabled, Vehicle Goes Into Limp In Mode
S21080001982022-09-15. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT. Media Device Connection Guidelines For Bluetooth, Apple CarPlay, Android Auto Or USB To The Radio Head Unit
S21080001902022-09-15. Service bulletin. LANE DEPARTURE. Temperature Gauge Running Hot, Engine Cooling Warning Lamp On, Cluster Chime For The Condition, Radiator Cooling Fan Does Not Turn On
S1623000028RevE2022-09-15. Service bulletin. VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR. Outside Power Fold Rearview Mirror Noise Or Loose At Pivot
S21170000022022-09-15. Service bulletin. SUSPENSION. Vehicle Leans To The Left
S21080001862022-09-15. Service bulletin. VISIBILITY:POWER WINDOW DEVICES AND CONTROLS. Power Windows Do Not Operate, Stop Start Inoperative
S21180000132022-09-15. Service bulletin. ENGINE AND ENGINE COOLING. Customer complaint may include the transmission going into neutral on its own. A Mil-on/check engine lamp-on condition may also be present. Upon further investigation, one or more of the following DTCs may be set in the powertrain control module (PCM): P219A-Bank 1 Air-Fuel Ratio Imbalance P219B-Bank 2 Air-Fuel Ratio Imbalance P2173-High Airflow/Vacuum Leak Detected (Slow Accumulation) P2172-High Airflow/Vacuum Leak Detected (Instantaneous Accumulation) P0172-Fuel System 1/1 Rich P0175-Fuel System 2/1 Rich (Incorrect "July 2021" on document)
90044102022-09-15. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. BEZEL, Instrument Panel For concern of instrument panel heads up display (HUD) bezel loose/warped Part number 6WH55*, prior to replacing the part please take a picture demonstrating the condition of the part. Contact FCA Redacted Content to send picture of part condition or Call FCA Redacted Content prior to replacing the bezel. If no response in 15 minutes, proceed with repair. Please ensure that the part doesn't need to be pressed back in, or something is interfering with part fitting into the top pad of the IP prior to replacement.
23-028-212022-08-22. Service bulletin. ENGINE AND ENGINE COOLING. Water Leak At CHMSL This bulletin involves replacing the Center High Mounted Stop Lamp (CHMSL) assembly. The customer may experience on one or more of the following:Water on the headliner. Water at the back of the cab. A leak from the third brake light/CHMSL.
04-001-212022-08-22. Service bulletin. ENGINE AND ENGINE COOLING. Pentastar Upgrade Oil Fill Level after an Oil Change This bulletin involves rechecking the oil fill level after filling the engine to the correct specifications. The customer may describe that after an oil change they check their oil fill level and it is showing overfilled on the oil dipstick.
08-138-212022-08-22. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; WHEELS; STEERING; BACK OVER PREVENTION. UAV and UCV Radio Enhancements This bulletin involves inspecting and if required, updating the radio software level to: 39.6.The repair procedure must be followed step by step. If the radio is not updated with the correct software level at the correct time the radio can be damaged. If the radio was damaged by not following the repairprocedure the radio may need to be replaced. Customers may experience one or more of the following: Lost radio presets. SXM favorite song not displaying/playing. Radio display screen is black, intermittent. Radio freeze intermittent. Incorrect navigation address/location/directions. Bluetooth pair or connection issue. Radio channel changes by itself. SXM icon inoperative. Backup camera has black display screen. High pitch chime noise. Contact list not loading. ?Device Not Supported? message. Remote app inoperative. Travel-Link fuel price incorrect. Backup camera gridlines missing. Unable to adjust volume. In addition the following enhancements are included: Heavy Duty (HD) Truck USB HUB improvements. HD Truck heated steering wheel improvements.
08-100-212022-08-22. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE; ELECTRICAL SYSTEM:SOFTWARE. UAQ UCQ UAV, UCX, UAX and UCV Radio Over The Air Software Version Updates This bulletin provides information regarding the latest Flash Over The Air (FOTA) update and provides the service technician an overview of the steps a customer will need to take to complete the update. Once the FOTA has been completed, the software level will be 39.6.Review the table below to determine when the FOTA is due to be release. The release time is based on the current radio?s software application level. Customers may experience one or more of the following: Intermittently, when going into reverse, the rear view camera screen is blank. Intermittently, gridlines are not on the display screen when in reverse.
08-137-212022-08-22. Service bulletin. ELECTRICAL SYSTEM; SUSPENSION; 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.
08-133-212022-08-22. Service bulletin. EQUIPMENT:ELECTRICAL; ELECTRICAL SYSTEM:SOFTWARE. UAQ and UCQ Radio Enhancements This bulletin involves inspecting and if required, updating the radio software level to: 39.6.The repair procedure must be followed step by step. If the radio is not updated with the correct software level at the correct time the radio can be damaged. If the radio was damaged by not following the repairprocedure the radio may need to be replaced. Customers may experience one or more of the following: Lost radio presets. SXM favorite song not displaying/playing. Radio display screen is black, intermittent. Radio freeze intermittent. Incorrect navigation address/location/directions. Bluetooth pair or connection issue. Radio channel change by itself. SXM icon inoperative. Backup camera has black display screen. High pitch chime noise. Contact list not loading. Device not supported message. Remote app inoperative. Travel-Link fuel price incorrect. Backup camera gridlines missing. Unable to adjust volume. In addition the following enhancements are included: Heavy Duty (HD)Truck USB HUB improvements. HD Truck heated steering wheel improvements.
23-026-212022-08-22. Service bulletin. STRUCTURE:BODY:DOOR. Loose Chrome Window Trim on Rear Doors This bulletin involves inspecting for loose chrome window trim on the rear doors and replacing if required. The customer may comment on the following: Chrome window trim on rear doors is coming loose from the vehicle.
S18180000242022-08-22. Service bulletin. FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING. Diesel Fuel Injector Cleaning Procedure
S21080000712022-08-22. Service bulletin. ELECTRICAL SYSTEM. Cluster Displays Service Active Dampening System Message, DTC B2286 Calibration Not Learned ? Lost Calibration
S21020000072022-08-22. Service bulletin. STRUCTURE. Customer Indicates The Vehicle Visually Has a Lean
S21080002042022-08-22. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Radio Lockup In The Software Installation Screen After Accepting FOTA Update (Incorrect "S2008000204" indicated on published document)

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