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Home >> Chevrolet >> 2006 >> Impala LTZ >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - 3.9L - DTC P0442 To DTC P2A01 >> DTC P1682 >> Conditions for Setting the DTC

Conditions for Setting the DTC

The ignition 1 voltage from the Run/Crank relay is more than 3 volts different from the ignition 1 voltage from the powertrain relay for more than 2 seconds.