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Home >> Jeep >> 2013 >> Grand Cherokee Laredo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 150 ((Steering Control Module (SCM) - Electrical Diagnostics)) >> DTC Troubleshooting >> U0100-00-Lost Communication With Pcm >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2012 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes 
CAN C BUS CIRCUITS OPEN OR SHORTED
DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES
POWERTRAIN CONTROL MODULES POWER AND GROUND
TIPM NOT CONFIGURED CORRECTLY
POWERTRAIN CONTROL MODULE (PCM)
ANY MODULE THAT SET THIS DTC