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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
S22180000082022-12-19. Service bulletin. FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM. Malfunction Indicator Lamp (MIL) Illumination. Fuel Pressure Sensor ?A? Circuit, and/or Fuel Pump Control Module Diagnostic Trouble Codes (DTCs) Set.
S22090000042022-12-19. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. If a Mopar oil filter is not available, use a filter that meets or exceeds USCAR36 specification and is compatible with semi and full synthetic oils.
08192222022-12-12. Service bulletin. ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM; ELECTRICAL SYSTEM; POWER TRAIN. Flash: Body Control Module (BCM) Updates This bulletin involves updating the BCM with the latest available software. Customer may experience one or more of the following condition: AUX switch ?recall last state? function does not work, only if equipped with a 6.2L Supercharged HEMI V8 SRT Engine (Sales Code ESD). AUX output always returns to OFF unless user selects battery power over ignition power feed, only if equipped (Sales Code ESD). Hill descent button is inoperative (Sales Code BNH).
18145222022-12-12. Service bulletin. POWER TRAIN; FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM. Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the Powertrain Control Module (PCM) with thelatest available software. The customer may experience one or more of the following: Generic Scan Tool shows incorrect PCM Calibration Part Number and Emissions type:OBDI not OBDII(North America Only). Hesitation feel during a pedal tip in, while engine is warming up below -1 °C (30 °F) ambient temp. During a 2 - 3 transmission upshift, the engine is hitting rev limit(DFS Sales Code Only). ?Service Suspension? message in Instrument Panel Cluster (IPC) on start up. Customers may also experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigationthe technician may find that the one or more of the following Diagnostic Trouble Codes (DTCs) have been set: P0133 - O2 Sensor 1/1 Slow Response. P0153 - O2 Sensor 2/1 Slow Response. P0171 - Fuel System 1/1 Lean. P0174 - Fuel System 2/1 Lean. P0300 - Multiple Cylinder Misfire. P0301 - Cylinder 1 Misfire. P0302 - Cylinder 2 Misfire. P0303 - Cylinder 3 Misfire. P0304 - Cylinder 4 Misfire. P0305 - Cylinder 5 Misfire. P0306 - Cylinder 6 Misfire. P0307 - Cylinder 7 Misfire. P0308 - Cylinder 8 Misfire. B2286 - Calibration Not Learned / Lost Calibration.
S228A0000282022-12-12. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Radio Remained On After Ignition Is Switched Off, Dead Battery from Excessive Radio Current Draw
S22080001772022-12-12. Service bulletin. VEHICLE SPEED CONTROL. Speed Control Operates Intermittently
S22230000762022-12-12. Service bulletin. STRUCTURE; LATCHES/LOCKS/LINKAGES; SEATS. Rear 60/40 Seat Back Will Not Unlatch To Fold Forward.
S2208000138RevA2022-12-12. Service bulletin. SERVICE BRAKES. Decreased Remote Start And RKE Range. Tire Pressure Sensors Values Are Not Displayed
91000872022-12-12. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION:COLUMN SHIFT ASSEMBLY. Electronic Shift Module Customer is unable to shift the vehicle out of PARK - ESM (Electronic Shift Module) rotary knob is stuck in PARK position. Technician observes the vehicle is setting DTCs in the ESM, P0928-00 (ESM detects an internal error with the BTSI Solenoid) and P0705 (ESM controller detects an error with the internal shifter position sensor). Vehicles equipped with one of the following ESM part numbers (68171964AI, 68171965AK, 68517473AA, 68517474AA) with stored or active DTCs listed above should receive replacement shifter part numbers, 68517473AB (without transfer case switch) or 68517474AB (with transfer case switch).
18143222022-11-07. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. Flash: Powertrain Control Module (PCM) This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following DiagnosticTrouble Code (DTC) has been set: P219A - Bank 1 Fuel/Air Ratio Imbalance.
0300422REVB2022-11-07. Service bulletin. POWER TRAIN. Rear Propshaft Clunk This bulletin involves removing the rear driveshaft and greasing the slip yoke splines. The customer may describe the following: A clunk noise from the driveshaft while coming to a stop or when juststarting to tip into throttle at take off.
09011222022-11-07. Service bulletin. ENGINE AND ENGINE COOLING. Cold Engine Ticking Noise From Exhaust Manifold Area This bulletin involves replacing the exhaust manifolds. The customer may describe an ticking noise from the exhaust manifold location(s) when cold.
S22230000702022-11-07. Service bulletin. VISIBILITY; VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR. Exterior Mirror Lamp Service
S18080000972022-11-07. Service bulletin. BACK OVER PREVENTION:DISPLAY FUNCTION; ELECTRICAL SYSTEM:ADAS:DRIVER MONITORING:CAMERA/SENSOR; BACK OVER PREVENTION. Back-Up Camera Inoperative Complaints, Radio Display Blue or Blank When Placed in Reverse
S22140000022022-11-07. Service bulletin. FUEL SYSTEM, OTHER:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS; UNKNOWN OR OTHER. Customer complaint of fuel filler tube loose or rattling at nozzle fill location.
S22080001622022-11-07. Service bulletin. VISIBILITY:POWER WINDOW DEVICES AND CONTROLS. Check Engine Lamp (CEL) on Diagnostic Trouble Codes (DTC?s) P0073 Ambient Air Temperature Sensor Circuit High, U113D-00 Lost Communication with Master Power Window Switch
S22240000102022-11-07. Service bulletin. STRUCTURE:INTERIOR PANELS:DASHBOARD; BACK OVER PREVENTION. Wind Whistle Noise From Passenger Side Dash Board Area While Driving 45+ MPH
S22250000042022-11-07. Service bulletin. FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY:FILLER PIPE AND CAP; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); UNKNOWN OR OTHER. Customer complaint may include MIL-On/check engine lamp-on condition. Upon further inspection, a DTC for P0456-Small Leak Detected may be set in the PCM.
S22230000632022-11-07. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM; ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM. Ambient Temperature Sensor Servicing.
S22080001592022-11-07. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:SENSOR. Error 715 ? Not A Valid Market Message Received In wiTECH When Trying To Program An Immobilizer Component
S19020000082022-11-07. Service bulletin. ELECTRONIC STABILITY CONTROL (ESC):CONTROL MODULE; SUSPENSION; ELECTRICAL SYSTEM; ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC). Air Suspension Compressor Module Assembly Replacement.
90044702022-11-07. Service bulletin. STRUCTURE:BODY:BUMPERS; ELECTRICAL SYSTEM:WIRING:CONNECTORS/PLUGS/RECEPTACLES; TRAILER HITCHES. CONNECTOR Trailer Tow,WIRING Trailer Tow,CONNECTOR 7 Way,WIRING Rear Bumper 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
31001222022-10-31. Service bulletin. STRUCTURE. Approved Use of Weld Through Primers This bulletin documents the FCA US LLC position regarding the use of weld through primer when using Squeeze Type Resistance Spot Welding (STRSW) and Gas Metal Arc Welding (GMAW) processes when welding steel body panels and structural components.
0300422REVA2022-10-31. Service bulletin. POWER TRAIN:DRIVELINE:DRIVESHAFT. Rear Propshaft Clunk This bulletin involves removing the rear driveshaft and greasing the slip yoke splines. The customer may describe the following: A clunk noise from the driveshaft while coming to a stop or when juststarting to tip into throttle at take off.
1400522REVB2022-10-31. Service bulletin. FUEL SYSTEM, GASOLINE. Updated Fuel Filler Cap This bulletin involves updating the fuel filler cap with improved version. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one or more of the following Diagnostic Trouble Codes (DTCs) have been set: P0455 - EVAP System Large Leak. P0456 - EVAP System Small Leak. P04EC - EVAP System Large Leak Detected - Fuel Tank Side. P04EE - EVAP System Very Small Leak Detected - Fuel Tank Side.

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