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Home >> Jeep >> 2013 >> Compass Limited, AWD, Trans Mfr CD CVT2 >> Repair and Diagnosis >> External Pages >> Different car >> Section 178 (Communication - Non-DTC Based Diagnostics) >> Diagnosis And Testing >> No Response From ESM (Electric Gear Shift Module) >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2012 Jeep Liberty. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes 
(Z910) GROUND CIRCUIT OPEN
(F1) IGNITION SWITCH OUTPUT (UNLOCK-RUN-START) CIRCUIT OPEN OR SHORTED
(D65) CAN C BUS (+) CIRCUIT OPEN
(D64) CAN C BUS (-) CIRCUIT OPEN
ELECTRIC GEAR SHIFT MODULE (SHIFTER LEVER (NAG1) ASSEMBLY)