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June 5, 2025 Service bulletin

Check Engine Light Illuminated

Jeep technical service bulletin 18-028-25 for 2021-2025 Jeep Compass, 2021-2025 Jeep Renegade and 2021-2023 Fiat 500X and others.

Bulletin number
18-028-25
Component
Unknown or other
Summary
"Check Engine Light Illuminated - Erroneous Fault Codes Set Customers must experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician must find one or more of the following Diagnostic Trouble Codes (DTC)s have been set: ● P012C - Turbocharger/Supercharger Inlet Air Pressure Sensor 1 Circuit Low. ● P012D - Turbocharger/Supercharger Inlet Air Pressure Sensor 1 Circuit High. ● P006C-MAP - Turbocharger Inlet Air Pressure Correlation. "

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