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Service bulletins for the 2019 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.

1178 on file from NHTSA, as of 2026-10-19.

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By component

By trouble code

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

Bulletins, newest first
2302922REVA2022-11-07. Service bulletin. STRUCTURE; ELECTRICAL SYSTEM. Active Air Dam Not Functioning - X96 Warranty Extension This bulletin involves replacing the active front air dam. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find thatthe following Diagnostic Trouble Code (DTC) has been set: U0645 - Lost Communication With Active Air Dam Module. The customer may also comment on the following: The Active Air Dam is inoperable.
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.
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
S228A0000172022-10-31. Service bulletin. ELECTRICAL SYSTEM. Battery Drain Suspected or "Identified" From USB or Media Hub
S228A0000172022-10-31. Service bulletin. ELECTRICAL SYSTEM. Battery Drain Suspected or "Identified" From USB or Media Hub
18076202022-10-17. Service bulletin. AIR BAGS; FUEL SYSTEM, GASOLINE; BACK OVER PREVENTION; ENGINE AND ENGINE COOLING; EXTERIOR LIGHTING; 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 the technician may find that one or moreof the following Diagnostic Trouble Codes (DTCs) has been set:P0339 - Crankshaft Position Sensor Intermittent. P0335 - Crankshaft Position Sensor Circuit. P258B - Electronic Vacuum Pump Performance. P0456 - EVAP System Small Leak. If DTC P0456 is present use the wiTECH Small Leak Verification Test (SLVT) to determine if a leak is present in the system.The customer may comment on one or more of the following:ECO light does not illuminate in the instrument cluster during Multiple Displacement Solenoid (MDS) event. 2-3 km (1.4 to 1.9 mph) difference between cruise set speed and the actual vehicle speed. ?Ready Not Ready? appearing message in the Electronic Vehicle InformationCenter (EVIC) while driving and before an Engine Stop Start (ESS) event. The engine may exhibit a crank and fail to start situation. Vehicle has a rough idle only after cold start. The radiator cooling fan is stuck on for a long time while driving. Coolant temp/check gauges light illuminated in the Instrument Panel Cluster(IPC). In addition, the following software enhancements are also available:Radiator cooling fan operation strategy. Updated electric vacuum pump calibration to reduce pump wear. Small leak detection in-use monitor performance ratio.
S20080001722022-10-17. Service bulletin. ELECTRICAL SYSTEM. Radio Screen Flickering When Using Apple CarPlay Or Android Auto.
1807420REVA2022-10-17. Service bulletin. EXTERIOR LIGHTING; FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM; BACK OVER PREVENTION; AIR BAGS. 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 the technician may find that one or moreof the following Diagnostic Trouble Codes (DTCs) have been set:P0339 - Crankshaft Position Sensor Intermittent. P0335 - Crankshaft Position Sensor Circuit. P0456 - EVAP System Small Leak.If DTC P0456 is present use the wiTECH Small Leak Verification test (SLVT)to determine if a leak is present in the system. P258B - Electronic Vacuum Pump Performance. The customer may experience one or more of the following:ECO light does not illuminate in the instrument cluster during MultipleDisplacement Solenoid (MDS) event. 2-3 km (1.4 to 1.9 mph) difference between cruise set speed and the actualvehicle speed. The engine may exhibit a crank and fail to start situation. The vehicle has a rough idle only after cold start. The radiator cooling fan is stuck on for a long time while driving. Coolant temp/check gauges light illuminated in the Instrument Panel Cluster(IPC). Radiator cooling fan inoperative.
08094202022-10-17. Service bulletin. EXTERIOR LIGHTING; ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Flash: Drivetrain Control Module (DTCM) Update This bulletin involves reprogramming the DTCM with the latest available software. The customer may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Code (DTC) has been set::If the customer has any concerns with the transfer case or if the tech performs any repairs on the transfer case, the software must be updated.C140E - Transfer Case Motor Blocked. If DTC C140E is present, follow normal diagnostic procedures before updating the DTCM.In addition the customer may describe the following:The ?Service 4WD? message/fault is displayed in the Instrument Panel Cluster (IPC). Transfer case shift fork tabs broken during range shift. Noisy (clunking/ratcheting) transfer case range shifts. Failure to complete transfer case range shifts. The following software enhancement is available:This update will help reduce premature transfer case failure.
S20080001512022-10-17. Service bulletin. ELECTRICAL SYSTEM. Outside Air Temperature Displayed On Cluster Or Radio Are Inaccurate
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).
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
S20080000892022-10-17. Service bulletin. ELECTRICAL SYSTEM. SGW (Security Gateway Module) Setting DTC B235A-00 ECU In-Plant- Mode
S20180000082022-10-17. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. Engine Surge Feel and/or Diagnostic Trouble Code P0299 ? Turbo Underboost Condition After Updating The Powertrain Control Module (PCM) Software. (ETL, ETM, ETN Engines)
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
S21080001192022-10-17. Service bulletin. ELECTRICAL SYSTEM. Apple CarPlay Malfunctioning, Does Not Launch Or Is Cutting In An Out On Wired And Wireless Connection, Radio Stuck When IPhone Is Connected
08093212022-10-17. Service bulletin. ELECTRICAL SYSTEM. UAS, UAQ, UCS, UAV, UCV and UCQ 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. This is part of a two step FOTA update, first update brings software level to 22.61 and this second FOTA update will take the software to 22.64. National launch for this second step is May 24, 2021. Customers may experience one or more of the following:Navigation is incorrect or can not calculate route. GPS locations is inaccurate. Uconnect radio apps are all inoperable. Backup camera screen is blue (DT and KL). Green horizontal lines appear across screen (DT and KL). Anti-theft code request message. Backup camera screen is blank. Lines appear across screen. Radio control screen is blank or locked. Radio reset intermittently. Unable to adjust audio volume. Unable to switch modes between AM, FM, SAT or Media. In addition the following enhancements are included in this update:Carplay® connectivity improvement. Improvement to Bluetooth® phone pairing. Bluetooth devices unresponsive. Improved sound quality when using a Bluetooth phone.
S20080000102022-10-17. Service bulletin. ELECTRICAL SYSTEM. Apple Carplay Inoperative Or Not Working, Phone Not Pairing, Carplay Lockup, Freeze or Audio Concerns
23002222022-10-17. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE; VISIBILITY. Dust Infiltration Inside Cabin This bulletin involves possibly replacing the exhausters and sealing cabin body joints. Customers may comment on the following:Dust infiltration inside the cabin and on cabin surfaces, even with the windows up.
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.
18058202022-09-26. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. 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 the technician may find one or more of the following Diagnostic Trouble Codes (DTCs) have been set:P0456 - EVAP System Small Leak. P06EF - Engine Restart Performance. P0175 - Fuel System 2/1 Rich. P258B - Electronic Vacuum Pump Performance. P0128 - Thermostat Rationality. C0062 - Longitudinal Acceleration Sensor. In addition, customers may comment on one or more of the following:A hesitation during aggressive accelerations after an Electronic Stop/Start (ESS) event and the engine is not fully at warm operational temperature. Engine RPM erratic and or bucking, when accelerating after slowing down. Occasional engine shut off while shifting from 4WD low to 2WD. Improvements to the vacuum pump cycle time. Rough idle after cold start.
S20080001242022-09-26. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM. Power Side Steps, Running Boards, Do Not Extend When Exiting Vehicle Or Retract As Expected

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