JEEP

18-023-24 REV. A

2024-08-29 · NHTSA 11006977

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: Powertrain Control Module (PCM) Updates **Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC): ● P2066 - Fuel Level Sensor 2 Performance. Customers may experience one or more of the following: ● When the driver attempts to override the Electric Park Brake (EPB) while it remains engaged due to an unbuckled seatbelt in Drive or Reverse, the high torque request with the park brake engaged may lead to a damaged or broken Rear Drive Unit (RDU). ● MIL illuminates when fueling the vehicle while the engine is running. ** ● Lower fuel economy reported by the Instrument Panel Cluster (IPC). ● Rough engine idle during warm up. ● Vehicle turns off while idling in park. In addition, the following software enhancement is available: ● Improved Security. This bulletin involves reprogramming the PCM with the latest available software."

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.