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Fiat
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2016
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500 Turbo, Standard Trans
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Repair and Diagnosis
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External Pages
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Different variant/trim
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Section 13 (Body Control Module (BCM) - DTCS B226A-00 To U1493-00 - 500 - Electric)
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DTC Troubleshooting
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U121B-00-Lost Communication With Vehicle Tracking Module (Telematics Control Unit)
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Possible Causes
Possible Causes
WARNING:
This page is about a different variant/trim than selected.
Possible Causes
TELEMATICS CONTROL UNIT (TCU) POWERS AND GROUNDS
TELEMATICS CONTROL UNIT (TCU)
BOTH CAN B BUS CIRCUITS OPEN