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Home › Saturn › 2005 › Relay AWD › Repair and Diagnosis › Engine Performance › System › Engine Control System - 3.5L - DTC P0446 - P1404 › DTC Tests › DTC P0641 › Conditions for Setting the DTC

Conditions for Setting the DTC

The 5-volt reference 1 voltage is more than 4.7 volts or less than 4.39 volts for longer than 10 seconds.
This diagnostic runs continuously.