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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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Engine Performance
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System
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2.0L - DTCS P0480-00 To P0687-00
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DTC Troubleshooting
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P0687-00-ECM/Pcm Power Relay Control Circuit High
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Set Condition
Set Condition
The Powertrain Control (PCM) detects high voltage on the ASD Relay Control circuit for more than 2.0 seconds, it will set this DTC.