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Service bulletins for the 2022 Ram 4500

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.

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

By type

By component

By trouble code

Bulletins, newest first
1056482025-07-23. Service bulletin. ENGINE. MODULE - ENGINE CONTROLLER
S25230000622025-07-02. Service bulletin. ELECTRICAL SYSTEM. Bumper Mounted 7 Pin Trailer Tow Connector
1049742025-06-26. Service bulletin. ELECTRICAL SYSTEM. LAMP - DOME
1055902025-06-17. Service bulletin. UNKNOWN OR OTHER. Warranty Newsletter – Volume 11, Issue 6
1055912025-06-17. Warranty extension. UNKNOWN OR OTHER. FCA Caribbean Warranty Newsletter – Volume 11, Issue 6
OTHERDOC_1322025-06-17. Over-the-air update. ELECTRICAL SYSTEM. "Global Telematics Box Module Over The Air Update from 5.39.1 to 5.65 TBM2.0 Software Version (FOTA) Customers may experience one or more of the following: - Error display of ""Uconnect Box Requires Service/Wifi Unavailable"" popups; [ TBM DTC B22A9-96 Internal Performance Failure ]. - Error display of ""Uconnect Box Requires Service"" pop-ups; [ TBM DTCs B1560, B1561, B1562 - Antenna loose connection ]."
14-010-25 REV. B2025-06-10. Service bulletin. FUEL/PROPULSION SYSTEM. "Frequent Repairs Of Fuel System Components Such As Fuel Filters Numerous Stellantis vehicles having fuel line components replaced such as fuel filter. Occasionally, components are replaced before their standard life expectancy or when not contaminated with debris "
08-182-252025-06-10. Service bulletin. ELECTRICAL SYSTEM; SEATS. "Power Seat Not Adjusting Customers may experience one or more of the following: ● Driver and/or passenger seat moves backwards but not forward. ● Driver and/or passenger seat inoperative. This bulletin involves replacing the front power seat adjusters."
14-010-25 REV. A2025-06-02. Service bulletin. FUEL/PROPULSION SYSTEM. "Frequent Repairs Of Fuel Line Components Such As Fuel Filters Numerous Stellantis vehicles having fuel line components replaced such as fuel filter. Occasionally, components are replaced before their standard life expectancy or when not contaminated with debri "
1053222025-06-02. Service bulletin. ENGINE. D-19-02 Rev. L Fast Feedback Program - 6.7L Cummins Complete Engine, Long Block & Short Block - 2019 - 2024 HD Ram - (D2/DD/DF/DJ/DP)
S25090000052025-06-02. Service bulletin. ENGINE. Light Random Tick Noise From The Engine.
1049702025-06-02. Service bulletin. UNKNOWN OR OTHER. CORE - HEATER
02-002-252025-05-30. Service bulletin. SUSPENSION. "Shock And Strut Diagnosis And Replacement Guidelines Leaking, noisy, or weak shocks or struts. "
91005922025-05-29. Service bulletin. ELECTRICAL SYSTEM. LAMP Courtesy/Ambient Courtesy / Ambient Lamp: Light guide not fully seated into the retainer during IP sub-assembly due to inconsistent operator installation effort, leading to latent BSR issue that manifests under customer usage conditions. Solution: remove and reinstall light guide to be fully seated in the bracket retainer.
91005982025-05-29. Service bulletin. ENGINE; UNKNOWN OR OTHER. Module, Urea Pump/Level: HD 6.7L (ETL/ETN/ETM) with Mil On P21C4-00 (Reductant Line Heater Relay Control Circuit High / U11C1-00 (Reductant Control Module Received Implausible Data From ECM/PCM), do not replace the DEF Pump. Follow TSB's released and appropriate Service Diagnostics.
14-010-252025-05-20. Service bulletin. FUEL/PROPULSION SYSTEM. "Frequent Repairs Of Fuel Line Components Such As Fuel Filters Numerous Stellantis vehicles having fuel line components replaced such as fuel filter. Occasionally, components are replaced before their standard life expectancy or when not contaminated with debris "
S25080000392025-05-19. Service bulletin. ELECTRICAL SYSTEM. Universal Garage Door Opener (UGDO) Inoperative, LED Indicator Lamps Not Illuminating
S2323000002 REV.A2025-05-19. Service bulletin. ELECTRICAL SYSTEM. "Washer Light On And Will Not Turn Off After Adding Washer Solvent."
91005792025-05-14. Service bulletin. SERVICE BRAKES. Parking Brake Pad When replacing the park brake pedal pad, please use the correct labor operation code. Some technicians have been using the brake pedal pad labor code which is not the same as the parking brake pedal pad. The correct labor operation code should be for parking brake pedal pad replacement is 05-05-06-01.
1037742025-05-01. Service bulletin. ELECTRICAL SYSTEM. LAMP - DOME
91005482025-04-17. Service bulletin. SEATS. "ADJUSTER Seat DJ D2 DP 1st Row Power Seat Fore/Aft Adjuster Inspection TSB is also released for this concern. SYMPTOM/CONDITION: Fore-aft function does NOT work when actuating the seat switch. DIAGNOSIS: 1) Put seat in position for inspection. 2) Disconnect seat wire harness motor connector from the fore-aft motor on the seat adjuster, wait 10 seconds, and reconnect. 3) Verify function of the fore/aft adjuster. Step 1. Open 2nd row door and function rear seat cushions up to stowed position. Step 2. Adjust the driver front seat to the full up position. Use switches on the side shield to move power seat fully up. Step 3. Remove the 4 bolts that hold the seat to the truck floor and discard. The bolts have lock patch that is not reusable. Step 4. Lay the seat down so its laying on its back so the underside of the seat is easily accessible. Step 5. Remove the fore/aft wire harness motor connector from the fore/aft motor (back right of the seat adjuster). Push on the tab to remove the motor wire harness connector from the motor. Leave disconnected for 10 seconds. Step 6. Reconnect the fore/aft wire harness motor connector to the fore/aft motor. Push / Pull / Push the connector with fingers to ensure the wire harness connector is fully seated to the fore/aft motor connector. Step 7. Before assembling the seat back to the truck floor, cycle the seat to check that the motor is working properly by pressing the fore/aft switch. If fore/aft motor does not function, please refer to Replacement Procedure below. Step 8. If the seat is working properly, carefully reassemble the seat back to the truck floor using the four new bolts. Use a torque wrench to verify 47 Nm. Step 9. *Note: Checking the passenger seat will be the same procedure as the driver seat. REPLACEMENT PROCEDURE Only for seats rejected after inspection. Replace Power Seat Adjuster per MOPAR service part replacement instructions. MOPAR Part Numbers: 68455847AA, 68455848AA, 68455849AA"
S25230000242025-04-04. Service bulletin. STRUCTURE:BODY; ELECTRICAL SYSTEM. Rear Defogger Solder Terminals Detached.
S2408000015 REV.D2025-04-03. Service bulletin. ELECTRICAL SYSTEM. Remote Keyless Entry (RKE) Functions Do Not Work, Intermittent Vehicle Response When Using the RKE, Key Not Programmed, Adding Remote Start
91005082025-03-28. Service bulletin. UNKNOWN OR OTHER. "6 CONTROL UNIT, Diesel Exhaust Customer complaints with malfunction light illuminated on 2019 thru 2024 MY DJ / D2 / DD / DP vehicles with 6.7L (ETL / ETM / ETN) built on or before October 15,2024 and exhibiting DTCs P21C4-00 (Reductant Line Heater Relay Control Circuit High) and / or U11C1-00 (Reductant Control Module received implausible Data from ECM / PCM). These DTCs will occur after installation of service DCU 68458603AB. Do not replace parts until after the TSB 25-008-24 is performed. If the DTC(s) continue to set, then follow the Service Diagnostics for the applicable DTC."
S1625000002 REV.B2025-03-13. Service bulletin. UNKNOWN OR OTHER. Malfunction Indicator Lamp (MIL) Illumination, Diagnostic Trouble Codes (DTCs) P21C4 – (Diesel Exhaust Fluid) Reductant Line Heater Control Circuit High, and U11C1 – Reductant Control Module Received Implausible Data From ECM/PCM, Set

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