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Alfa Romeo DTC

Alfa Romeo DTC P0643

Manufacture

Alfa Romeo DTC

Code

P0643

Definition

Sensor Reference Voltage A Circuit High

Description

The Sensor Voltage Supply circuit voltage is greater than a calibrated value for a calibrated amount of time. The Sensor Voltage Supply circuit is switched off but the voltage is greater than a calibrated value for a calibrated amount of time.

Cause

  • none

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