FixVault
Home
›
Chevrolet
›
2006
›
Impala SS
›
Repair and Diagnosis
›
Engine Performance
›
System
›
Engine Control System - 5.3L - DTC P1682 To DTC P3401
›
DTC P1682
›
Conditions for Setting the DTC
Conditions for Setting the DTC
The voltage level difference is more than 3 volts between the 2 ignition 1 voltage circuits to the ECM.
The condition is present for more than 3 seconds.