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Home >> Jeep >> 2007 >> Wrangler X, Standard >> Repair and Diagnosis >> Steering >> Power Steering System >> Column - Electrical Diagnostics >> Diagnosis And Testing >> U0121-Lost Communication With Anti-Lock Brake Module >> Possible Causes
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Possible Causes

ANTILOCK BRAKE MODULE POSSIBLE CAUSE

Possible Causes 
(D65) CAN C BUS(+) CIRCUIT SHORTED TO VOLTAGE
(D64) CAN C BUS(-) CIRCUIT SHORTED TO GROUND
DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES
TIPM NOT CONFIGURED CORRECTLY
ANTILOCK BRAKE MODULE POWER AND GROUND
ANTILOCK BRAKE MODULE
MODULE THAT SET THIS DTC