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Home >> Jeep >> 2009 >> Commander Limited, 4.7 P, RWD >> Repair and Diagnosis >> Engine Performance >> Ignition System >> Front Control Module (FCM) - Electrical Diagnostics >> DTC Troubleshooting >> U0103-Lost Communication With Electric Gear Shift Module >> Possible Causes
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Possible Causes

Possible Causes 
CAN B OR CAN C BUS CIRCUITS OPEN OR SHORTED
DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES
FCM NOT CONFIGURED CORRECTLY
SHIFT LEVER ASSEMBLY
SHIFT LEVER ASSEMBLY POWER AND GROUND
MODULE THAT SET THIS DTC
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