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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 167 (Engine Controls And Fuel - 3.6L (LGX LF4) - DTC P0650 To DTC P3436 And Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P0685-P0687, P0689, P0690, or P1682: Engine Controls Ignition Relay Control (LGX) >> DTC Descriptors

DTC Descriptors

WARNING: This page is about a different car, the 2017 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.
DTC P0685

Engine Controls Ignition Relay Control Circuit

DTC P0686

Engine Controls Ignition Relay Control Circuit Low Voltage

DTC P0687

Engine Controls Ignition Relay Control Circuit High Voltage

DTC P0689

Engine Controls Ignition Relay Feedback Circuit Low Voltage

DTC P0690

Engine Controls Ignition Relay Feedback Circuit High Voltage

DTC P1682

Ignition 1 Switch Circuit 2

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