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Home >> Jeep >> 2012 >> Compass Limited, AWD, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 492 (Communication - Non-DTC Based Diagnostics) >> Diagnosis And Testing >> No Response From TCM (Transmission Control Module) 8-Speed >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2016 Dodge Charger and 2015 Dodge Charger. 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
IGNITION SWITCH OUTPUT (OFF-RUN-START) CIRCUIT OPEN OR SHORT
CAN C BUS (+) CIRCUIT OPEN
CAN C BUS (-) CIRCUIT OPEN
TRANSMISSION CONTROL MODULE (TCM)

Always perform the COMMUNICATION PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to  STANDARD PROCEDURE  .