September 1, 2020 Service bulletin

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

Jeep technical service bulletin 18-075-20 for 2018 Jeep Compass.

Bulletin number: 18-075-20
Component: Power train
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 further investigation the technician may find that the following DTCs have been set:C050D - Wheel Speed Signal Left Rear Rationality.C0501 - Wheel Speed Signal Left Front Rationality. C0507 - Wheel Speed Signal Right Front Rationality. C0513 - Wheel Speed Signal Right Rear Rationality. P0340 - Camshaft Position Sensor Circuit - Bank 1 Sensor 1. P0335 - Crankshaft Position Sensor Circuit. P0339 - Crankshaft Position Sensor Intermittent. In addition, customers may experience the following concern:When using the adaptive cruise control and coming to a complete stop, the MIL light illuminates(ED6 engine only). In addition, the following software enhancements to the following DTCs:B25BC - Left Front Door Ajar Switch Stuck Closed(ED6 engine only). P0573 - Brake Switch 1 Stuck Off(ED6 engine only).

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