JEEP

0801422

2022-01-15 · NHTSA 10222987

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

Manufacturer summary

Original wording in English

Flash: Drivetrain Control Module (DTCM) Updates This bulletin involves reprogramming the DTCM with the latest available software. The customer may describe one or more of the following: ?Service 4WD warning? displayed in the Instrument Panel Cluster (IPC). A binding or heavy steering feel when making sharp turns at low speeds. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one or more of the following DiagnosticTrouble Codes (DTCs) have been set:C1423-64 -Transfer Case Internal Performance-Signal Plausibility Failure. C149E-64 - Transfer Case Motor Position Sensor-Signal Plausibility Failure.

Repeated filings are grouped only when make, bulletin number, publication date and complete summary agree. Original record numbers are retained. Older publications remain available, and an explicit later version is shown when established. Pre-1994 vehicle associations are separated from default results; an unspecified year does not mean all model years apply.