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Service bulletins for the 2022 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.

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

By type

By component

By trouble code

By topic

Only bulletins with component: Transmission and driveline are shown. Show all

Bulletins, newest first
08-093-222022-06-27. Service bulletin. POWER TRAIN; ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM:SOFTWARE. Flash: Hybrid Control Processor (HCP) Updates This bulletin involves updating the HCP with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more ofthe following Diagnostic trouble Codes (DTCs) have been set: P1C64 - Hybrid Perf - Engine Speed Below Target During Autostart. U0402 - Implausible Data Received From TCM. The customer may also describe one or more of the following: During a Engine Stop/Start (ESS) event, the autostart fails and the AutoParkengages. Transmission is in Limp Mode.
S19250000082022-06-27. Service bulletin. ENGINE AND ENGINE COOLING; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM. Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Codes (DTCs) P208B ? Reductant Pump 1 Control Performance, and/or P20E8 ? Reductant Pressure Too Low, Set.
S22080000822022-05-31. Service bulletin. POWER TRAIN. Service 4WD Message Is Displayed In The Instrument Cluster
90045102022-05-31. Service bulletin. POWER TRAIN; STRUCTURE. FRAME, Front Seat Cushion If replacing this for a power seat does not move, refer to STAR parts section 050 - Interior Trim 905.02 - Adjusters, Recliners, Shields and Risors - Drivers Seat, Power Seat Motors The motors are available separately from the frame Assembly
90044872022-05-31. Service bulletin. ENGINE AND ENGINE COOLING; STRUCTURE; POWER TRAIN; AIR BAGS. Transmission Oil Pan and Gasket Assembly For Transmission oil leaks, need to identify exactly where the leak is coming from, please check the transmission case at the Trans Oil Heater (TOH) connection on the Grand Cherokee's. Also check the Trans Valve Body at the TCM harness connection. A black light can be used to identify trans fluid vs. other fluids. Contact FCA Redacted Content prior to replacing these components. If no response in 15 minutes, proceed with repair. Please email pictures of leak locations to FCA Redacted Content

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