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June 8, 2023 Service bulletin

Turbo to Charge Air Cooler Quick Connect Loose Customers may experience a Malfunction Indicator Lamp (MIL)...

Jeep technical service bulletin 0901123 for 2022-2023 Jeep Wagoneer and 2022-2023 Jeep Grand Wagoneer.

Bulletin number
0901123
Component
Electrical system
Summary
Turbo to Charge Air Cooler Quick Connect Loose Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that the one or more of the following Diagnostic Trouble Codes (DTCs) have been set: ? P0101 - Mass Air Flow Sensor Circuit Performance. ? P0236 - Turbocharger/Supercharger Boost Pressure Sensor Performance. Customers may also comment on the following: ? Reduced engine performance. This bulletin involves inspecting turbo to charge air cooler quick connect at the turbo, performing a push-pullpush verification check on the quick connection and ensure it is locked.

Owners of these vehicles have filed 214 complaints in the electrical category.

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