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Home >> Dodge and Ram >> 2012 >> Challenger SXT Plus >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Collision/Avoidance >> (Park Assist Module (PAM) - Electrical Diagnostics) >> DTC Troubleshooting >> U0121-00-Lost Communication With Anti-Lock Brake System (Abs) Control Module >> Possible Causes
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Possible Causes

Possible Causes 
CAN C BUS CIRCUITS OPEN OR SHORTED
DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES
ANTI LOCK BRAKE MODULE (ABS) POWER AND GROUND
TIPM NOT CONFIGURED CORRECTLY
ANTI LOCK BRAKE MODULE (ABS)
MODULE THAT SET THIS DTC