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Home >> Fiat >> 2012 >> 500 Pop, Standard Trans >> Repair and Diagnosis (Single Page) >> Brakes >> Anti-Lock Brakes >> (Antilock Brake System (Abs) - Electrical Diagnostics) >> Diagnosis And Testing >> C003B-29-Wheel Speed Comparative - Invalid Signal >> Possible Causes

Possible Causes

Possible Causes 
IMPROPER LEFT FRONT TIRE PRESSURE/MISMATCHED TIRES
WHEEL SPEED SENSOR (WSS)
HUB AND WHEEL BEARING DAMAGED OR INSTALLED INCORRECTLY
ANTI-LOCK BRAKE SYSTEM (ABS) MODULE
NOTE:

Repair all other wheel speed sensor DTCs first before continuing with this diagnostic procedure.