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Home >> Dodge and Ram >> 2012 >> Caliber SXT Plus, Automatic CVT Trans >> Repair and Diagnosis >> Engine Performance >> System >> 2.0L - DTCS P0303 To P060F >> Diagnosis And Testing >> P0501-Vehicle Speed Sensor 1 Performance >> Possible Causes

Possible Causes

POSSIBLE CAUSES 
ACTIVE BUS OR COMMUNICATION DTCS
TIRE CIRCUMFERENCE
POWERTRAIN CONTROL MODULE (PCM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  .