December 1, 2022 Service bulletin

Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the...

Jeep technical service bulletin 18-042-22 REV. D for 2021 Jeep Gladiator.

Bulletin number: 18-042-22 REV. D
Component: Exterior lighting
Summary: Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon furtherinvestigation the technician may find one or more of the following DTCs: P0300 - Multiple Cylinder Misfire. P152E - Engine Hood Switch 2 Circuit High. P152F - Engine Hood Switch 2 / Engine Hood Switch 1 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. P0132 - O2 Sensor 1/1 Circuit High. P0138 - O2 Sensor 1/2 Circuit High. P0152 - O2 Sensor 2/1 Circuit High. P0158 - O2 Sensor 2/2 Circuit High. P2100 - Electronic Throttle Control Motor Circuit. In addition, customers may experience the following concern:Spark knock/detonation sound from the engine at idle.

Owners of these vehicles have filed 13 complaints in the lights category.

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