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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.

By type

By component

By trouble code

Bulletins, newest first
S20080001692020-12-21. Service bulletin. VISIBILITY:POWER WINDOW DEVICES AND CONTROLS. Drivers Front Window Makes Noise While Raising And Lowering
23-025-202020-11-30. Service bulletin. EQUIPMENT; STRUCTURE:BODY:TAILGATE. Tailgate Cable Has Excessive Slack or is Loose This bulletin involves replacing one of the tailgate cables with a new tailgate service cable. The customer may comment on one or more of the following:One tailgate cable has too much slack or is loose. The tailgate cables are different lengths.
18-074-20 REV. A2020-11-30. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ENGINE AND ENGINE COOLING. 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.
31-002-202020-11-30. Service bulletin. STRUCTURE. Aluminum Body Panel Corrosion Repair This bulletin involves inspecting and if necessary removing corrosion and refinishingthe suspect aluminum panels on the vehicle, hood, door, fenders, hinges, swing gates or liftgate panels.
08-094-202020-11-30. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE); EQUIPMENT. 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.
S1808000221 Rev.2020-11-30. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Cluster Does Not Retain Selected Radio Theme Update
S20240000072020-11-30. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. Customer Indicates There Is A Whistle Noise After The Vehicle Is Turned Off.
S20080001652020-11-30. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; ELECTRICAL SYSTEM. Cannot Program Newly Installed Mopar Remote Start, Key Programming Fails, Keys Already Programmed Failing Response
S20080001592020-11-30. Service bulletin. ELECTRICAL SYSTEM:INTERIOR LAMPS/BULBS; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; ENGINE AND ENGINE COOLING. CEL (Check Engine Lamp) On, Slightly Higher Than Expected Idle
S1923000014 Rev.2020-11-30. Service bulletin. STRUCTURE; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. Ram Box Lid Fitment And Or Closing Effort Issues
S1918000013 Rev.2020-11-30. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. No Crank No Start Condition. P0688 - Auto Shutdown Relay Sense Circuit Low Found In The PCM
S20080001512020-11-30. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:PRESSURE/TEMPERATURE SENSOR. Outside Air Temperature Displayed On Cluster Or Radio Are Inaccurate
S1908000046 Rev.2020-11-30. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM; EQUIPMENT. Audio Cuts Out In Two Second Intervals On Any Mode Or No Audio On Any Mode
90043082020-11-30. Service bulletin. STRUCTURE; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. COVER, Tonneau If the tonneau retaining strap is broken, there is a repair strap available. It is not necessary to replace the full tonneau cover.
18-089-202020-10-26. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Some vehicles may have experienced a slight engine hesitation or lag in acceleration from engine startup until the engine and exhaustwarmed up. This update is intended to reduce the hesitation or lag in acceleration from engine startup.
08-083-202020-10-26. 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: U1440 - Implausible Transfer Case Ratio High Received. U0403-00 - Implausible Data Received From Tcase. C1403-92 - Transfer Case Range Position Sensor-Performance Or Incorrect Operation. 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 4WDAUTO. An excessive electric motor clicking sound from the middle of the vehicle/transfer case area, when on and off the throttle. An excessive electric motor clicking sound with steering wheel movement, most notable in parking lot or low speed maneuvering. A ?Service 4WD? message/fault without commanding a transfer case shift.If only the ?Service 4WD? message/fault is displayed inthe Instrument Panel Cluster (IPC) and no other symptom/conditions are present, follow normal diagnostic procedures before updating theDTCM. 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. During highway/freeway speeds, a bump in the driveline may be felt. This could also be described as a harsh transmission shift.
08-082-202020-10-26. Service bulletin. ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SOFTWARE; ELECTRICAL SYSTEM; SERVICE BRAKES. Flash: Park Assist Module (PAM) Enhancement This bulletin involves updating the PAM software with the latest available software. Customers may experience an Electronic Vehicle Information Center (EVIC) message. These DTCs may be setting erroneously and this software enhancement will remove these DTCs. Upon further investigation the technician may find that one or more of the following DTCs have beenset:The following DTCs apply to 2019 model year vehicles only.B128E-25 - PTS Sensor 1-Signal Shape/Waveform Failure. B128F-25 - PTS Sensor 2-Signal Shape/Waveform Failure. B1290-25 - PTS Sensor 3-Signal Shape/Waveform Failure. B1291-25 - PTS Sensor 4-Signal Shape/Waveform Failure. B1292-25 - PTS Sensor 5-Signal Shape/Waveform Failure. B1293-25 - PTS Sensor 6-Signal Shape/Waveform Failure. B1295-25 - PTS Sensor 8-Signal Shape/Waveform Failure. B1296-25 - PTS Sensor 9-Signal Shape/Waveform Failure. B1297-25 - PTS Sensor 10-Signal Shape/Waveform Failure. B1298-25 - PTS Sensor 11-Signal Shape/Waveform Failure. B1299-25 - PTS Sensor 12-Signal Shape/Waveform Failure. Customers may experience the following:False detection by the front sensors due to locking onto random moving objects or while coming to a stop when braking hard. When backing up, the park assist feature will apply the brakes when noobject is behind the vehicle.
18-076-202020-10-26. Service bulletin. 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 that one or more of the following 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:?Ready Not Ready? appearing message in the Electronic Vehicle Information Center (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.
18-074-202020-10-26. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). 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 more of the following 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: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.
08-048-20 REV. A2020-10-26. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. UAX, UCX, UAV and UCV 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 to 34.2. Customers may experience one or more of the following:Uconnect App inoperative(DT Vehicles Only). Voice Recognition (VR) inoperative(DT Vehicles Only). Radio resets (DT Vehicles Only). Radio locks up, freezes or resets. Bluetooth device is slow to pair, or does not pair. GPS unable to load and find locations. Loss of saved radio presets. Display screen is back with no backlighting. No audio output coming from the radio. Cannot control audio volume. Rear view camera display will not turn off.
S1725000002 Rev.2020-10-26. Service bulletin. FUEL SYSTEM, DIESEL. (Revision A): P2463-00-DIESEL PARTICULATE FILTER - SOOT ACCUMLATION
S1823000056 Rev.2020-10-26. Service bulletin. LATCHES/LOCKS/LINKAGES:TAILGATE:LATCH. (Revision D) Tailgate Ajar Indicator Light Is On And Or High Effort Required To Close And Latch The Tailgate
S2024000003 Rev.2020-10-26. Service bulletin. STRUCTURE; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. (Revision B) Customer Indicates A Whistle Noise Is Coming From The Dash During Certain Driving Conditions And HVAC Settings
S1908000041 Rev.2020-10-26. Service bulletin. ENGINE. (Revision A) Check Engine Lamp On, DTC?s P0480 Cooling Fan Circuit Open Or U0465 Loss Communication With Active Air Dam
S1908000097 Rev.2020-10-26. Service bulletin. EQUIPMENT; EQUIPMENT:ELECTRICAL. (Revision A) Radio Screen Black Or Blank

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