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Home >> Jeep >> 2009 >> Commander Overland, 4WD >> Repair and Diagnosis >> Brakes >> Traction Control >> Anti-Lock Brake System - Electrical Diagnostics >> DTC Troubleshooting >> C121D-Brake Pressure Sensor Circuit >> Possible Causes

Possible Causes

Possible Causes 
AIR IN BRAKE SYSTEM/WORN MECHANICAL COMPONENTS
ECU INTERNAL FAILURE
ICU INTERNAL FAILURE