LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Jeep >> 2009 >> Liberty Sport, 4WD, Automatic >> Repair and Diagnosis >> Transmission >> Transfer Case >> Final Drive Control Module (FDCM) - Electrical Diagnostics >> DTC Troubleshooting >> U0100-Lost Communication With ECM/Pcm >> Possible Causes
September 30: LEMON manuals is back up on a temporary server! Slowness is possible

Possible Causes

Possible Causes 
CAN C+ OR CAN C- BUS CIRCUITS OPEN OR SHORTED
DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES
TIPM NOT CONFIGURED CORRECTLY
ECM/PCM POWER AND GROUND
ECM/PCM
IPM
MODULE THAT SET THIS DTC
scientia non olet · About LEMON Manuals