July 9, 2025 Service bulletin

Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp...

Jeep technical service bulletin 18-008-25 REV. A for 2024 Jeep Wrangler.

Bulletin number: 18-008-25 REV. A
Component: Unknown or other
Summary: Flash: Powertrain Control Module (PCM) Updates Customers 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. ● P0032 - O2 - Sensor 1/1 Heater Circuit High. ● P0038 - O2 - Sensor 1/2 Heater Circuit High. ● P0052 - O2 - Sensor 2/1 Heater Circuit High. ● P0058 - O2 - Sensor 2/2 Heater Circuit High. ● P1129 - Closed Loop Fueling Not Achieved-Banks 2 Upstream. ● P0152 - O2 Sensor 2/1 Circuit High. ● P0158 - O2 Sensor 2/2 Circuit High. ● P2504 - Charging System Output High. ● P0563 - System Voltage High. Customers may also comment on one or more of the following: ● Vehicle runs rough. ● "Service Transmission” message on in the Instrument Panel Cluster (IPC). ● During flat tow - Transfer case mis-shift (engine running and clutch pedal up, transmission in gear). Other software enhancements included: ● Improvements to address vehicle no starts after replacing the PCM. ● O2 heater crack improvements. ● OBD software changes. This bulletin involves reprogramming the PCM with the latest available software.

Vehicles covered

See the problems and recalls for an exact car

Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.