LEMON Manuals
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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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Transmission
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Automatic Trans
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8HP50/850RE - DTCS P0219-00 To P1D91-00
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DTC Troubleshooting
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P0643-00 - Sensor Reference Voltage A Circuit High
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When Monitored
When Monitored
This diagnostic runs continuously when the following conditions are met:
Ignition on.
Transmission Control Module (TCM) voltage is above a calibrated value.