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Home >> Chrysler >> 2011 >> 300 C, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 903 ((Antilock Brake System (Abs) - Electrical Diagnostics - 2500 Hd & 3500 Hd)) >> Diagnosis And Testing >> C0031-2F-Left Front Wheel Speed Sensor - Signal Erratic >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2015 RAM 3500 HD and 2015 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
CHECK LEFT FRONT WHEEL SPEED SENSOR FOR LOOSENESS
INSPECT CIRCUITS/CONNECTOR/TERMINALS FOR DAMAGE
LEFT FRONT WHEEL BEARING AND HUB OR ENCODER FOR DAMAGE
LEFT FRONT WHEEL SPEED SENSOR
ANTI-LOCK BRAKE SYSTEM (ABS) MODULE