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Home >> Chevrolet >> 2006 >> Impala SS >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - 5.3L - DTC P0449 To DTC P1516 >> DTC P0685, P0689, or P0690 >> DTC Descriptors

DTC Descriptors

DTC P0685

Engine Controls Ignition Relay Control Circuit

DTC P0689

Engine Controls Ignition Relay Feedback Circuit Low Voltage

DTC P0690

Engine Controls Ignition Relay Feedback Circuit High Voltage

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