JEEP

18-049-25 REV. A

2025-07-18 · NHTSA 11020845

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 ustomers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P08A6 - Gear Lever Position Sensor System - Multiple Sensor Correlation. ● P1129 - Closed Loop Fueling Not Achieved - Bank 2 Upstream. ● P0158 - O2 Sensor 2/2 Circuit High. ● P0152 - O2 Sensor 2/1 Circuit High. ● P2504 - Charging System Output High. ● P0563 - Battery/System Voltage High. Customers may also experience one or more of the following: ● **Vehicle goes in limp mode within 1.6 km (1 mi) of driving while in 4LO, DTC P08A6 active and "Clutch Too Hot" message followed by "Service Transmission” message in the Instrument Panel Cluster (IPC).** ● The engine runs rough 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.