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January 17, 2024 Service bulletin

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

Jeep technical service bulletin 1800224 for 2022 Jeep Wagoneer and 2022 Jeep Grand Wagoneer.

Bulletin number
1800224
Component
Service brakes
Summary
Flash: Powertrain Control Module (PCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs) have been set: ? P00C6 - Fuel Rail Pressure Too Low - Engine Cranking Bank 1. ? P06DD - Engine Oil Pressure Control Circuit Performance/Stuck Off. ? P0604-00 - Internal Control Module Random Access Memory Ram Error. ? P060C-00 - Internal Control Module Main Processor Performance. This bulletin involves reprogramming the PCM with the latest available software.

Owners of these vehicles have filed 48 complaints in the brakes category.

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