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May 2, 2024 Service bulletin

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

Jeep technical service bulletin 18-039-24 for 2023 Jeep Gladiator.

Bulletin number
18-039-24
Component
Power train
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): ● 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 - System Voltage High. This bulletin involves reprogramming the PCM with the latest available software."

Owners of these vehicles have filed 8 complaints in the transmission category.

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