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Home >> Jeep >> 2012 >> Compass Limited, AWD, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 128 (Radio Frequency (RF Hub) Module - Electrical Diagnostics) >> DTC Troubleshooting >> U0121-00-Lost Communication With Anti-Lock Brake System (Abs) Control Module >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2012 Chrysler 300. 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
ANTI LOCK BRAKE MODULE (ABS) POWER AND GROUND
BCM NOT CONFIGURED CORRECTLY
ANTI LOCK BRAKE MODULE (ABS)
MODULE THAT SET THIS DTC