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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.

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Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
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.
S21080000712022-08-22. Service bulletin. ELECTRICAL SYSTEM. Cluster Displays Service Active Dampening System Message, DTC B2286 Calibration Not Learned ? Lost Calibration
S21080001862022-08-22. Service bulletin. ELECTRICAL SYSTEM; VISIBILITY. Power Windows Do Not Operate, Stop Start Inoperative
S21180000132022-08-22. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. 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)
90044102022-08-22. 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.
S2108000006 Rev.2022-07-18. Service bulletin. ELECTRICAL SYSTEM:INSTRUMENT PANEL:SPEEDOMETER/ODOMETER. Cluster Speedometer Digital Value Appears Slightly Discolored
S21080000112022-07-18. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Battery Light Illuminates, 12V Battery Not Charging, No Start
S21080000062022-07-18. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Cluster Speedometer Digital Value Appears Slightly Discolored
S21080000032022-07-18. Service bulletin. VISIBILITY; EQUIPMENT ADAPTIVE/MOBILITY; WHEELS; STEERING; ELECTRICAL SYSTEM:ADAS:BLINDSPOT:SENSORS. Cluster Displays Blind Spot Alert Off Incompatible Trailer Message, Left Steering Wheel Switches Do Not Allow Update Or Change
18-091-222022-06-27. Service bulletin. ENGINE AND ENGINE COOLING; POWER TRAIN; ELECTRICAL SYSTEM. Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience one or more of the following: An engine stall at low engine mileage and mostly low vehicle speeds 16 - 24kph (10 - 15 mph). LED light in the Start/Stop button will not illuminate when pressed.
S228A0000042022-06-27. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Panasonic VP4R Wi-Fi New Enrollment Pause
S19250000082022-06-27. Service bulletin. ENGINE AND ENGINE COOLING; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM. Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Codes (DTCs) P208B ? Reductant Pump 1 Control Performance, and/or P20E8 ? Reductant Pressure Too Low, Set.
S22180000092022-06-27. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY. Malfunction Indicator Lamp (MIL) Illuminated, Remote Start Disabled, Diagnostic Trouble Code (DTC) P2183 ? Engine Coolant Temperature Sensor 2 Circuit Performance set.
90044702022-06-27. Service bulletin. ELECTRICAL SYSTEM:WIRING; TRAILER HITCHES. CONNECTOR/WIRING, Trailer Tow If the connector or wiring is physically damaged, burned, melted or corroded, prior to replacing the part, please contact FCA Redacted Content If no response in 15 minutes, proceed with repair. Please send pictures of the failed part to FCA Redacted Content
23022212022-05-31. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. External AC Power Outlet Detaches From the Bezel This bulletin involves inspecting if the external AC power outlet is loose in the frame and repairing if needed Customers may comment on the following: The external AC power outlet is loose in the frame. AC power outlet Detached From Frame/Bezel1 - AC power outlet2 - Outlet Frame
08098212022-05-31. Service bulletin. ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SOFTWARE; BACK OVER PREVENTION:WARNINGS:EXTERNAL/PEDESTRIAN ALERT. Flash: Park Assist Module PAM Enhancement This bulletin involves updating the PAM software with the latest available software. Customers may comment on the following condition:False braking alerts while backing up when there?s nothing behind the vehicle.
08088212022-05-31. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM:SOFTWARE. Radio Enhancements This bulletin involves updating the radio software level to 2036.06. Customers may experience the following: Ghost Touch, features, modes and App?s changing without drivers input. Product plan UUID is not correct in Carplay®. Carplay audio does not always resume. Battery save vs. Battery Charge toggles back to Battery Charge after sleep cycle. When ?Charge Now? is selected on key-off outside of the charging schedule ? it does nothing. In addition, the following enhancements are included:Update power supply source from 1 amp to 2.1 amps. GOOGLE® certification enhancements - screen flickers
08086212022-05-31. Service bulletin. VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR; POWER TRAIN:AUTOMATIC TRANSMISSION:GEAR POSITION INDICATION (PRNDL); 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.
S2118000015 RevB2022-05-31. Service bulletin. EXTERIOR LIGHTING; ELECTRICAL SYSTEM. Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Code (DTC) P0403 ? EGR Control Circuit Open, Set.
S22080000802022-05-31. Service bulletin. ELECTRICAL SYSTEM. Ambient Air Temperature Missing, MIL Lamp On, DTC P0070-15 Ambient Air Temperature Sensor Circuit-Circuit Short to Battery or Open; P0073 Ambient Air Temperature Sensor Circuit High
S22080000732022-05-31. Service bulletin. ELECTRICAL SYSTEM. No Start, After Flash And Or PCM Replace, DTC P0513 Invalid Skim Key Setting
S1708000118 RevB2022-05-31. Service bulletin. ELECTRICAL SYSTEM. Battery Drain Concern, Dual USB Port Normal Operational Draw, Extended Illumination Or Extended Operation After Key Off
S22080000682022-05-31. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. ?Device Not Supported? Message on the radio screen
S22080000582022-05-31. Service bulletin. ELECTRICAL SYSTEM. AUX Switch ?Recall Last State?, ?Latching? or ?Momentary? Functions Are Not Remembered

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