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Fiat
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2015
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500L Pop, Standard Trans
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Repair and Diagnosis (Single Page)
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Brakes
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Anti-Lock Brakes
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(Antilock Brake System (Abs) - Electrical Diagnostics - 500L)
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DTC Troubleshooting
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C1221-86-Pcm Bus Signal Invalid
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Possible Causes
Possible Causes
Possible Causes
DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES
POWERTRAIN CONTROL MODULE POWER AND GROUND
BCM NOT CONFIGURED CORRECTLY
POWERTRAIN CONTROL MODULE (PCM)
MODULE THAT SET THIS DTC