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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

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

Bulletins, newest first
S21080001092023-01-17. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Remote Key Fobs Only Work In Close Range
S21180000062023-01-17. Service bulletin. ELECTRICAL SYSTEM. Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Code (DTC) P20C6 ? Reductant Heater 4 Control Circuit, Set.
9004376-12023-01-17. Service bulletin. ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY:THERMAL MANAGEMENT:PUMP. PUMP, Vacuum Prior to replacing the vacuum pumps, please contact or email FCA Redacted Content. If no response in 15 minutes, proceed with repair.
S22080001972023-01-17. Service bulletin. ELECTRICAL SYSTEM; SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION SYSTEM. Cluster Message ?Service Air Suspension?
S22080001902023-01-17. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Enhanced Vehicle Security, Valet Mode Operation and Personnel Identification Number (PIN)
S2208000080RevA2023-01-09. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM; ELECTRICAL SYSTEM. Ambient Air Temperature Missing, Malfunction Indicator Lamp (MIL) Lamp On, Diagnostic Trouble Code (DTC) P0070-15 Ambient Air Temperature Sensor Circuit-Circuit Short to Battery or Open, P0073 Ambient Air Temperature Sensor Circuit High
S228A0000172023-01-09. Service bulletin. ELECTRICAL SYSTEM. Battery Drain Suspected or "Identified" From USB or Media Hub
S22230000572023-01-09. Service bulletin. BACK OVER PREVENTION; BACK OVER PREVENTION: SENSING SYSTEM: CAMERA; ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:ADAS:DRIVER MONITORING:CAMERA/SENSOR. Calibrating Central Vision Processing Module (CVPM) Front Camera After Replacement
S22080001132023-01-09. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS. No Start, DTC P0615 Starter Control Circuit Open
08072222023-01-09. Service bulletin. ELECTRICAL SYSTEM; VEHICLE SPEED CONTROL; STRUCTURE; SEATS. Race Cool Down Feature Inoperative This bulletin involves installing a hood latch, adding a hood latch switch jumper harness and a Body Control Module (BCM) Reconfiguration. Customers may experience: The ?Race Cool Down? feature does not work.One of the inputs the vehicle looks at for this feature to work properly, is the hood closed status. If the vehicle was built without remote start, the hood latch will not have a close switch in the latch. No Diagnostic Trouble Codes (DTCs) will set for this issue.
S22080000822023-01-09. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Service 4WD Message Is Displayed In The Instrument Cluster
S22080000802023-01-09. Service bulletin. BACK OVER PREVENTION; 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
S22080000112023-01-09. Service bulletin. ELECTRICAL SYSTEM:PROPULSION SYSTEM:CHARGING:CABLE/CORD:ACCESSORY; EQUIPMENT:ELECTRICAL:WIRELESS CHARGER/CRADLE. Wireless Qi Charger Not Charging
S17080001182023-01-09. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Battery Drain Concern, Dual USB Port Normal Operational Draw, Extended Illumination Or Extended Operation After Key Off
S22080000682023-01-09. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. ?Device Not Supported? Message on the radio screen
S22080000582023-01-09. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. AUX Switch ?Recall Last State?, ?Latching? or ?Momentary? Functions Are Not Remembered
90045032023-01-09. Service bulletin. ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC); ELECTRICAL SYSTEM; SUSPENSION. 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.
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.
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
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.
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
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

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