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Alfa Romeo
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2019
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Giulia Base, AWD
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Repair and Diagnosis
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Body & Frame
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Towing Systems
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(Trailer Tow Module - Electrical Diagnostics)
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DTC Troubleshooting
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C105B-64-Turn Light Rear Left - Signal Plausibility Failure
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Set Condition
Set Condition
When the Trailer Tow Module (TTM) detects the Controller Area Network (CAN) B message from the Body control Module (BCM) does not match the hardwire left turn signal from BCM.