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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

Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
851362023-01-09. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM); ELECTRICAL SYSTEM. Warranty Bulletin D-22-07 Parts Order Restriction Program - Engine Control Module (ECM) - Select 2022 and 2023 Ram 2500 Pickup (DJ), 2022 and 2023 Ram 3500 Pickup (D2), 2022 and 2023 Ram 3500 Cab Chassis (DD) and 2022 and 2023 4500/5500 Ram Cab Chassis (DP) (Rev. A)
S2008000186REVA2023-01-09. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM); ELECTRICAL SYSTEM. Engine Control Module (ECM) Flash Failure, Diagnostic Trouble Code (DTC) U1601 ? ECU Application Software Code 1 Missing Or Corrupted
91000212023-01-09. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:CRANK/CAMSHAFT POSITION SENSOR. Seal, Crankshaft Oil, Rear,Retainer, Crankshaft Oil Seal US dealers only: If you are replacing the rear main seal due to an oil leak, do NOT remove the seal from the retainer. Replace the seal and retainer (pn# 05086755A$) as a complete unit. Engineering needs to obtain the seals and retainers back for analysis without them having been disassembled. Once repairs are complete, please contact FCA Redacted Content to return the parts.
824372023-01-09. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). Warranty Bulletin D-22-07 Part Order Restriction Program - Engine Control Module (ECM) - Select 2022 Ram 2500 Pickup (DJ), 2022 Ram 3500 Pickup (D2), 2022 3500 Cab Chassis (DD) and 2022 4500/5500 Ram Cab Chassis (DP)
822942023-01-09. Service bulletin. FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING. Warranty Bulletin D-19-02 Fast Feedback Program - 6.7L Cummins Engine & Fuel Injection Pump - 2019 - 2022 HD Ram - All Models (Rev. I)
S22080000742023-01-09. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV). Vehicle Has Code B154F-00 Loss Crankshaft Pulse Signal
S22080000732023-01-09. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). No Start, After Flash And Or PCM Replace, DTC P0513 Invalid Skim Key Setting
S22090000022023-01-09. Service bulletin. ENGINE. Customer complaints may include abnormal engine noise, rough idle, lack of power, misfire. When performing diagnosis, an internal engine concern may be suspected.
S22090000042022-12-19. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. If a Mopar oil filter is not available, use a filter that meets or exceeds USCAR36 specification and is compatible with semi and full synthetic oils.
90044142022-12-19. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN; FUEL SYSTEM, DIESEL. DRIVE, Fan If a heavy duty diesel vehicle comes in with reports of loud fan noise or fan always on, please call FCA Redacted Content. If no response within 15 minutes, proceed with repair
S228A0000302022-11-07. Service bulletin. ELECTRICAL SYSTEM:IGNITION; ENGINE; UNKNOWN OR OTHER; EQUIPMENT:ELECTRICAL. Battery Drain, Radio Or Cluster Will Not Shut Off After Engine Off
851362022-10-31. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Warranty Bulletin D-22-07 Parts Order Restriction Program - Engine Control Module (ECM) - Select 2022 and 2023 Ram 2500 Pickup (DJ), 2022 and 2023 Ram 3500 Pickup (D2), 2022 and 2023 Ram 3500 Cab Chassis (DD) and 2022 and 2023 4500/5500 Ram Cab Chassis (DP) (Rev. A) (document published on 8/5/22 with incorrect date on communication of 8/4/22)
91000212022-10-31. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:CRANK/CAMSHAFT POSITION SENSOR; UNKNOWN OR OTHER. Seal, Crankshaft Oil, Rear,Retainer, Crankshaft Oil Seal US dealers only: If you are replacing the rear main seal due to an oil leak, do NOT remove the seal from the retainer. Replace the seal and retainer (pn# 05086755A$) as a complete unit. Engineering needs to obtain the seals and retainers back for analysis without them having been disassembled. Once repairs are complete, please contact FCA Redacted Content to return the parts.
91000212022-10-31. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:CRANK/CAMSHAFT POSITION SENSOR. Seal, Crankshaft Oil, Rear,Retainer, Crankshaft Oil Seal US dealers only: If you are replacing the rear main seal due to an oil leak, do NOT remove the seal from the retainer. Replace the seal and retainer (pn# 05086755A$) as a complete unit. Engineering needs to obtain the seals and retainers back for analysis without them having been disassembled. Once repairs are complete, please contact FCA Redacted Content to return the parts.
S22180000162022-10-17. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:CRANK/CAMSHAFT POSITION SENSOR. Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Code (DTC) P04E3 ? Crankcase Ventilation Hose Connection Sensor Circuit High, Set.
S2118000001RevB2022-10-17. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Code (DTC) P0471 ? Exhaust Pressure Sensor 1 Performance, Set.
S22080000742022-10-17. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:CRANK/CAMSHAFT POSITION SENSOR. Vehicle Has Code B154F-00 Loss Crankshaft Pulse Signal
S22090000022022-10-17. Service bulletin. ENGINE. Customer complaints may include abnormal engine noise, rough idle, lack of power, misfire. When performing diagnosis, an internal engine concern may be suspected.
S21090000042022-09-26. Service bulletin. ENGINE AND ENGINE COOLING. Issue involves overheating, running hot, coolant leaks and related symptoms after a Mopar replacement engine has been installed in the vehicle.
S228A000010RevA2022-09-26. Service bulletin. SERVICE BRAKES; ENGINE AND ENGINE COOLING. REV. A - Oil Pressure And Or Coolant Temp Readouts Are Not Shown In The Off Road Application
S228A0000102022-09-26. Service bulletin. SERVICE BRAKES; ENGINE AND ENGINE COOLING. Oil Pressure And Or Coolant Temp Readouts Are Not Shown In The Off Road Application
S22180000102022-09-26. Service bulletin. ENGINE AND ENGINE COOLING. Malfunction Indicator Lamp (MIL) Illumination, Diagnostic Trouble Code (DTC) P026B ? Injection Timing Performance, Set.
756072022-09-26. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. Pending Emissions Recall and REQUIRED Customer Communication - Ram Heavy Duty/Chassis Cab
S22080000742022-09-26. Service bulletin. UNKNOWN OR OTHER; ENGINE AND ENGINE COOLING:ENGINE:CRANK/CAMSHAFT POSITION SENSOR. Vehicle Has Code B154F-00 Loss Crankshaft Pulse Signal
S22090000022022-09-26. Service bulletin. UNKNOWN OR OTHER; ENGINE AND ENGINE COOLING:ENGINE:HARD PARTS INTERNAL/MECHANICAL. Customer complaints may include abnormal engine noise, rough idle, lack of power, misfire. When performing diagnosis, an internal engine concern may be suspected.

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