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Home >> Jeep >> 2018 >> Compass Trailhawk >> Repair and Diagnosis >> External Pages >> Different car >> Section 18 (Communication - Non-DTC Based Diagnostics - Mp) >> Diagnosis And Testing >> No Response From Pcm (Powertrain Control Module) >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2017 Jeep Compass. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
FUSED B(+) CIRCUIT OPEN OR SHORTED
GROUND CIRCUIT OPEN
FUSED IGNITION SWITCH OUTPUT (RUN-START) CIRCUIT OPEN OR SHORTED
FUSED ASD/MAIN RELAY OUTPUT CIRCUIT OPEN OR SHORTED
CAN C BUS (+) CIRCUIT OPEN
CAN C BUS (-) CIRCUIT OPEN
POWERTRAIN CONTROL MODULE (PCM)