WenmarOpen by Wenmar Pro

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
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
S21230000012022-07-18. Service bulletin. EQUIPMENT; WHEELS. Rear Wheel Spat Has A Gap Or Appears Loose
S20080001932022-07-18. Service bulletin. AIR BAGS:SRS MALFUNCTION WARNING LAMP/LIGHT; SEAT BELTS:PRETENSIONER. Air Bag Warning Lamp Illuminates, DTC B007F-2B Passenger Seat Belt Pretensioner Circuit
90043462022-07-18. Service bulletin. STRUCTURE:BODY:DOOR; EQUIPMENT. 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.
90043452022-07-18. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE); EQUIPMENT; ENGINE AND ENGINE COOLING; EQUIPMENT ADAPTIVE/MOBILITY. COOLER, EGR If you are replacing the high pressure EGR cooler (p/n 68490113A$) for a suspected internal coolant leak that was detected by wetness in the EGR pipe or valve, please perform proper cooling system pressure test first to verify the leak. Refer to all published service information regarding Cooling Diagnosis and Testing (LEAK TESTING) before proceeding.
90043432022-07-18. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE); EQUIPMENT ADAPTIVE/MOBILITY. VALVE, HIGH PRESSURE EGR If you are replacing the high pressure EGR valve (68490212A$) due to DTC P0407 or P0408 please refer to all published service information regarding proper diagnosis before proceeding. These DTCs are for the low pressure EGR system.
90043422022-07-18. Service bulletin. EQUIPMENT; VISIBILITY:WINDSHIELD. WINDSHIELD Windshield cracked or blemish. When customer comes in for a cracked windshield, please note the location of crack and take pictures before repair. Please send pictures to FCA Redacted Content or load to the warranty claims system.
90040392022-07-18. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; WHEELS. Spat, Wheel Well Splash Shield If replacing this for a warrantable concern, prior to removal of the Spat, please contact FCA Redacted Content by phone at FCA Redacted Content. If no response within 15 minutes. Please take pictures and highlight the area concern; email pictures to FCA Redacted Content.
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.
90045392022-06-27. Service bulletin. EQUIPMENT; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. HOUSING, Air Inlet For concern of whistle noise from right side of vehicle at 45+mph, please contact one of the following: FCA Redacted Content If no response in 15 minutes, proceed with repair. Please investigate HVAC to firewall connection between the fresh/recirculation housing and the firewall. Identify any obstructions that could be causing a gap. Loosen HVAC housing and retorque and/or install additional packing 68396044A$ at the air inlet housing to the firewall to eliminate any potential gap. Please email pictures of the issue with results to FCA Redacted Content.
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
90044842022-06-27. Service bulletin. ENGINE AND ENGINE COOLING. Motor Generator Unit Engineering is looking to avoid unnecessary part replacements for Motor Generator Unit (MGU) underhood whining noise and P1C64 faults. When replacing the MGU for a bearing noise, connect the scan tool to the vehicle and create a scan report to include with the claim prior to replacement of the MGU. See SOL case S2208000009 for added details. Please check Service Library for available TSBs for your concern. Follow current Service Procedures for each complaint, but call Engineering before removing MGU to gather further information. Contacts: FCA Redacted Content If no response in 15 minutes, proceed with repair.
90045272022-06-27. Service bulletin. ENGINE; ENGINE AND ENGINE COOLING. Valve Cover Gasket If you are experiencing a right valve cover leak and plan on replacing only the gasket, the customer may later return for an oil leak. Engineering has updated the skirt height of the valve cover to address oil leaks. Replace the valve cover (part # 04893800AI includes valve cover gasket) to ensure proper repair. Please call FCA Redacted Content if further questions or help is needed with parts retention returns on valve cover assemblies
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
S20230000242022-05-31. Service bulletin. EQUIPMENT; SEATS. Water Leak Rear Of Cab Rear Seat Or Headliner
23021212022-05-31. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS. Incorrect Headlamp Aim This bulletin involves re-aiming the headlamps. The customer may comment on the following:One of the two headlamps is not aimed correctly.
17003212022-05-31. Service bulletin. SUSPENSION. Noise in Left Rear Shock Area Over Bumps This bulletin involves replacing the left rear shock absorber. The customer may describe the following:Clunk in left rear shock/suspension when driving over bumps.
17002212022-05-31. Service bulletin. EQUIPMENT; SUSPENSION:REAR:SHOCK ABSORBER. Noise in Right Rear Shock Area Over Bumps This bulletin involves replacing the right rear shock absorber. The customer may describe the following:Clunk in right rear shock/suspension when driving over bumps.
11001212022-05-31. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE; EQUIPMENT ADAPTIVE/MOBILITY. Exhaust Tips Are Loose And Off Center This bulletin involves inspecting the exhaust tips for not being centered. Properly torquing the exhaust clamp. Customers may notice the exhaust tips are not centered in the bumper opening and loose.
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

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