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Home › Chevrolet › 2005 › Venture LS › Repair and Diagnosis › Engine Performance › System › Engine Control System - 3.4L DTC P0446 To P1640 › DTC Tests › DTC P0651 › Conditions for Setting the DTC

Conditions for Setting the DTC

The 5-volt reference 2 voltage is more than 4.7 volts or less than 4.4 volts for longer than 10 seconds.
This diagnostic runs continuously.