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Service bulletins for the 2022 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.

858 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
18133222022-10-31. Service bulletin. ENGINE AND ENGINE COOLING; EXTERIOR LIGHTING; SERVICE BRAKES, HYDRAULIC; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE; FUEL SYSTEM, GASOLINE; BACK OVER PREVENTION; ELECTRICAL SYSTEM. Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation, a technician may find one or more of the following Diagnostic Trouble Codes (DTCs) have been set: P2183 - Engine Coolant Temperature Sensor 2 Circuit Performance. P258B - Electric Vacuum Pump Performance. P040F - EGR Temperature Sensor A-B Correlation. P2D2F - Turbocharger-Supercharger -A- Underboost Condition. P0088 - Fuel Rail Pressure Too High. P026D - Fuel Injection Quantity Higher Than Expected. P208B - Reductant Pump 1 Control Performance. P20C6 - Reductant Heater 4 Control Circuit Performance. P016F - Closed Loop Fuel Pressure Control At Limit - Pressure Too Low. P025C - Fuel Pump Module Control Circuit Low. P225D - NOX Sensor 1/1 Performance - Signal Stuck Low. The following software enhancement is available:DTC U148D - Implausible Data Received From Forward Facing Camera, will be disabled in this software update. The customer may also describe the following:The remote start does not work due to MIL on after using engine block heater.Upon inspection the technician will find DTC P2183 is stored with this condition. In addition, the following driveability improvements are available: Increased tip in and tip out torque response. Low speed engine idle improvements. Eliminate idle oscillation in park and drive. Reduce driveline oscillations. 4-LO speed limiter improvements. Decrease engine start time after extended key on to crank.
S2208000080RevA2022-10-31. Service bulletin. 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
S228A0000172022-10-31. Service bulletin. ELECTRICAL SYSTEM. Battery Drain Suspected or "Identified" From USB or Media Hub
S22230000572022-10-31. Service bulletin. ELECTRICAL SYSTEM; BACK OVER PREVENTION. Calibrating Central Vision Processing Module (CVPM) Front Camera After Replacement
S22080001132022-10-31. Service bulletin. ELECTRICAL SYSTEM. No Start, DTC P0615 Starter Control Circuit Open
91000082022-10-31. Service bulletin. ELECTRICAL SYSTEM. Telematic box module 2 For customer concern of Uconnect box error popup on the screen every time the vehicle is turned on. A missing security certificate or after a new TBM installed, or any active DTC set by TBM will trigger this popup. Please refer to STAR Online S2108000015 for more information. If you continually see this popup message, also see an active B22A9-93 DTC, please use wiTECH tool to check TBM2 module and record the failure information as shown on STAR Online S228A000003. Before replacing the TBM module, please check connections behind the TBM, the antenna and harness for improper connection and damage. Please call FCA Redacted Content
08144222022-10-17. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. Flash: Drivetrain Control Module (DTCM) Diagnostic and System Improvements This bulletin involves reprogramming the DTCM with the latest available software. The technician may find one or more of the following DTCs: C1415-92 - Transfer Case Motor Current-Performance or Incorrect Operation. U1440 - Implausible Transfer Case Ratio High Received. U0403-00 - Implausible Data Received From T-case. C1403-92 - Transfer Case Range Position Sensor-Performance Or Incorrect Operation(2019-2020 Vehicles Only). If only DTC C1403 is present, follow normal diagnostic procedures before updating the DTCM. In addition the customer may describe one or more of the following:Traction Control System light is illuminated. A driveline bump can be heard/felt occasionally when the driver is steady on the throttle at about 20-30% on a flat road while in 4WD AUTO(2019-2020 Vehicles Only). An excessive electric motor clicking sound from the middle of the vehicle/transfer case area, when on and off the throttle(2019-2020 Vehicles Only). An excessive electric motor clicking sound with steering wheel movement, most notable in parking lot or low speed maneuvering(2019-2020 Vehicles Only). A ?Service 4WD? message/fault without commanding a transfer case shift(2019-2020 Vehicles Only).If only the ?Service 4WD? message/fault is displayed in the Instrument Panel Cluster (IPC) and no other symptom/conditions are present, follow normal diagnostic procedures before updating the DTCM(2019-2020 Vehicles Only). The blinking of the ?4WD Low? and ?4WD High? indicator lights at the same time, on the transfer case selector switch.If both 4WD indicator lights on the transfer case selector switch are blinking and no other symptom/conditions are present, follow normal diagnostic procedures before updating the DTCM(2019-2020 Vehicles Only). During highway/freeway speeds, a bump in the driveline may be felt. This could also be described as a harsh transmission shift(2019-2020 Vehicles Only).
0812322REVB2022-10-17. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT; ELECTRICAL SYSTEM. Flash: Display Screen Module (DSM) Updates This bulletin involves reprogramming the DSM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that the following Diagnostic Trouble Code (DTC) has been set: B22A9 - ECU Internal Performance. Customers may also comment on the following:Black radio screen with audio at start up (backup camera functions normally).
S1908000193RevA2022-10-17. Service bulletin. STRUCTURE:BODY:TAILGATE; ELECTRICAL SYSTEM. The Tailgate Ajar Warning Lamp Does Not Illuminate
S22080001382022-10-17. Service bulletin. ELECTRICAL SYSTEM. Decreased Remote Start And RKE Range. Tire Pressure Sensors Values Are Not Displayed
S22080001342022-10-17. Service bulletin. ELECTRICAL SYSTEM. Power Door Locks Inoperative, Battery Drain, No Start, Alarm Goes Off Without Incident
S20250000052022-10-17. Service bulletin. ELECTRICAL SYSTEM. Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Codes P0407 ? EGR Sensor B Circuit Low, or P0408 ? EGR Sensor B Circuit High Set
S22080000822022-10-17. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Service 4WD Message Is Displayed In The Instrument Cluster
S22080000802022-10-17. 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
S22080000582022-10-17. Service bulletin. ELECTRICAL SYSTEM. AUX Switch ?Recall Last State?, ?Latching? or ?Momentary? Functions Are Not Remembered
90045032022-10-17. Service bulletin. SUSPENSION; ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC); ELECTRICAL SYSTEM. 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.
08009222022-10-17. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM. 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. The radio software will be updated for (DT and HD trucks) from S21C.6 to S21D.5 and for (WS) from S21B.5 to S21D.5.The national launch for the FOTA is expected to begin December 22, 2021. Customers may experience one or more of the following:Hissing, water sprinkler or salt shaker noise(WS only). Apple Carplay® concerns. Black screen. Loud buzzing noise followed by radio reboot. Unable to switch between media sources while playing SXM®. Radio shows screen off when comfort popup appears. Phone won't reconnect when connection is lost. Delete device in settings menu doesn't work. App pages have black background. Radio does not fall asleep with ignition off. Radio unresponsive. CarPlay® will not connect.
S22080000242022-10-17. Service bulletin. ELECTRICAL SYSTEM. Radio Does Not Work In Ignition Accessory Mode
S22080000152022-10-17. Service bulletin. ELECTRICAL SYSTEM. SXM Presets Lost After Ignition Cycle
90044682022-10-17. Service bulletin. FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM. Fuel Pump Control Module, PCM, and Fuel Pump Module Do not replace the PCM, Fuel Pump Control Module, or Fuel Pump Module for a P062A DTC. Please email FCA Redacted Content with your contact information and provide a vehicle scan report from WiTECH showing the DTC in Active, Pending, or Stored status. If no response in 15 minutes, proceed with repair.
0812322REVA2022-09-26. Service bulletin. EXTERIOR LIGHTING; ELECTRICAL SYSTEM; BACK OVER PREVENTION. Flash: Display Screen Module (DSM) Updates This bulletin involves reprogramming the DSM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technicianmay find that the following Diagnostic Trouble Code (DTC) has been set: B22A9 - ECU Internal Performance. Customers may also comment on the following:Black radio screen with audio at start up (backup camera functions normally).
08123222022-09-26. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE; BACK OVER PREVENTION. Flash: Display Screen Module (DSM) Updates This bulletin involves reprogramming the DSM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technicianmay find that the following Diagnostic Trouble Code (DTC) has been set: B22A9 - ECU Internal Performance. Customers may also comment on the following: Black radio screen with audio at start up (backup camera functions normally).
S22080001332022-09-26. Service bulletin. ELECTRICAL SYSTEM:STARTER ASSEMBLY. Electronic Vehicle Information Center (EVIC) Message, Service The 4-Wheel Drive During Start Up
S22180000112022-09-26. Service bulletin. ELECTRICAL SYSTEM. Malfunction Indicator Lamp (MIL) Illumination, Diagnostic Trouble Code (DTC) P00F3 ? Humidity Sensor Circuit Performance, Set.
90044702022-09-26. Service bulletin. TRAILER HITCHES; ELECTRICAL SYSTEM:WIRING. 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

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