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Service bulletins for the 2019 Ram 2500

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.

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

By type

By component

By trouble code

Bulletins, newest first
S22080000682022-05-31. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. ?Device Not Supported? Message on the radio screen
S22090000022022-05-31. Service bulletin. ENGINE AND ENGINE COOLING; ENGINE. Customer complaints may include abnormal engine noise, rough idle, lack of power, misfire. When performing diagnosis, an internal engine concern may be suspected.
S1923000050 RevA2022-05-31. Service bulletin. STRUCTURE:BODY:HOOD; STRUCTURE. Hood Shake Or Flutter While Driving
08-119-21 REV. A2021-12-13. Service bulletin. ELECTRICAL SYSTEM. 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:DT with UAX and UCX - Current software 34.2RM will be update to 34.31FRM. All other vehicles and radio combinations - 34.2. The national launch for the FOTA will begin July 21, 2021. Customers may experience one or more of the following: SOS, Automatic SOS (ASOS) , assist calls not showing correct location(DT Vehicles with UAX and UCX Only). GPS inaccuracies(DT Vehicles with UAX or UCX Only). Uconnect radio apps are inoperable(DT Vehicles with UAX or UCX Only). SXM® button are greyed out(DT Vehicles with UAX or UCX Only). Intermittently, SXM loading screen is stuck(DT Vehicles with UAX or UCX Only). 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.
08-175-212021-12-13. Service bulletin. SUSPENSION:REAR:SPRINGS:AIR SUSPENSION SYSTEM; ELECTRICAL SYSTEM; SUSPENSION; SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION SYSTEM. Flash: Air Suspension Control Module (ASCM) Updates This bulletin involves reprogramming the ASCM 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:U0132 - Loss of Communication with Air Suspension Control Module. C15E1-97 - Left Rear Air Spring Intake - Component or System Operation Obstructed or Blocked. C220C-48 - Active Suspension Module Internal-Supervision Software Failure(2019 MY Only). C211B-92 - Ignition Run/Start Input-Performance Or Incorrect Operation(2019 MY Only). C156C-7A - Ride Height System Air Leak-Fluid Leak Or Seal Failure(2019 MY Only). In addition the customer may describe:Air suspension system is inoperable. During key ?On? or while driving, the ?service air suspension? light illuminates. Air spring deflated or ruptured. Right/left rear suspensions sits lower than the other side. Chime and "Service Air Suspension Immediately" message appeared in the cluster for 5 seconds. Excessive operation or noise from air suspension system when vehicle is stationary(2019 MY Only). "Air Suspension Disabled" message when attempting Bed Lowering Mode (BLM)(2019 MY Only). Excessive compressor valve cycling following a cold start(2019 MY with Diesel engine only). Erroneous "Bed Low Achieved" message through the Instrument Panel Cluster (IPC), when requesting lowering, even though the truck didn't physically lower. Ride height changes/valve actuations without operator request on rough roads.
18-034-21 REV. A2021-12-13. Service bulletin. FUEL SYSTEM, GASOLINE; BACK OVER PREVENTION; FUEL SYSTEM, DIESEL. P203E and P203F Additional Diagnostic Information This bulletin provides additional information regarding diagnosing Diesel Exhaust Fluid (DEF) issue in extreme cold weather. Diagnostic Trouble Codes (DTCs) P203E - Reductant Level Sensor 1 Circuit Intermittent and/or P203F - Reductant Level Too Low set.
S2124000017 Rev.2021-12-13. Service bulletin. UNKNOWN OR OTHER. Customer Indicates No Air Flow To Rear Seats
S21080002672021-12-13. Service bulletin. EQUIPMENT:ELECTRICAL. SXM Travel Link Weather map doesn't show precipitation properly
S21080002632021-12-13. Service bulletin. INTERIOR LIGHTING. Map Lamps, Vanity Lamps, Rear Dome Lamps Inoperative
749122021-06-28. Service bulletin. FUEL SYSTEM, GASOLINE. Fast Feedback Program - 6.7L Cummins Engine - 2019 - 2022 HD Ram & Fuel Injection Pump - All Models (Rev. G)
S2108000127 Rev.2021-06-28. Service bulletin. EQUIPMENT. Radio Reboot Continually
S21230000412021-06-28. Service bulletin. VISIBILITY. Wind Or Whistle Noise From Sunroof And Or Rear Cab
S21210000102021-06-28. Service bulletin. SUSPENSION. Service 4WD Lamp On, 4WD System Does Not Work, 4WD Service Lamp Flashing, Front Axle Disconnect Does Not Engage Or Disengage
S21080001272021-06-28. Service bulletin. EQUIPMENT. Radio Reboot Continually
S21080001262021-06-28. Service bulletin. SEATS. Camera Image Flickering While Activating Side Steps Or Changing Passenger Seat Position
S21080001202021-06-28. Service bulletin. EQUIPMENT. Radio Volume Uncontrollable Or Changing On Its Own
S2018000007 Rev.2021-06-28. Service bulletin. ENGINE AND ENGINE COOLING. Diagnostic Trouble Code (DTC) P0299 ? Turbocharger Underboost Additional Diagnostics
S2108000098 Rev.2021-06-28. Service bulletin. EQUIPMENT. Radio Screen Freeze, Blank Screen And Reset
S21210000092021-06-28. Service bulletin. POWER TRAIN. Rapid Shifts, High RPMs, 40-50 mph (65-80 kph) Max Speed, Inability to Perform Transmission Quick learn.
S21210000082021-06-28. Service bulletin. ELECTRICAL SYSTEM. Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Codes (DTCs) P0756 ? UD Solenoid Circuit, and/or P0755 ? 2C Solenoid Circuit, Set.
08-061-212021-05-24. Service bulletin. BACK OVER PREVENTION; TRAILER HITCHES; ELECTRICAL SYSTEM; LANE DEPARTURE. Flash: Parktronics (PTS) Enhancements This bulletin involves reprogramming the PTS module with the latest software available. Customers may experience one or more of the following:False front object detection warning when a trailer is connected to the vehicle. Chime sounds when backing away from an object in front of the vehicle. Park assist system latches off when a trailer or snow plow is disconnected during the same key cycle. The system disabled message will still be displayed and the system will be turned off until a new key cycle.
18-034-212021-05-24. Service bulletin. BACK OVER PREVENTION; FUEL SYSTEM, DIESEL; FUEL SYSTEM, GASOLINE. P203E and P203F Additional Diagnostic Information This bulletin provides additional information regarding diagnosing Diesel Exhaust Fluid (DEF) issue in extreme cold weather. Diagnostic Trouble Codes (DTCs) P203E - Reductant Level Sensor 1 Circuit Intermittent and/or P203F - Reductant Level Too Low set.
S21080000982021-05-24. Service bulletin. EQUIPMENT:APPLIANCE:TV/RADIO/SPEAKERS. Radio Screen Freeze, Blank Screen And Reset
S21180000052021-05-24. Service bulletin. EXTERIOR LIGHTING; FUEL SYSTEM, GASOLINE. Malfunction Indicator Lamp (MIL) Illumination. Fuel Injector Circuit Open DTC Additional Diagnostics.
S21240000032021-05-24. Service bulletin. AIR BAGS. A/C Performance Not As Hot/Cold On Driver Side - DTC's B11CB-92, B11CB-11

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