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Home >> GMC >> 2018 >> Terrain Denali, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 19 (Engine Controls And Fuel - 1.6L (LH7) Diesel - Diagnostic Information And Procedures (P040B - P204D)) >> Diagnostic Information And Procedures >> DTC P0685, P0686, P0687, P0689, P0690 Or P1682: Engine Controls Ignition Relay/Ignition 1 Switch Circuit 2 >> Diagnostic Fault Information

Diagnostic Fault Information

WARNING: This page is about a different variant/trim than selected.
Engine Controls Ignition Relay

Circuit Short to Ground Open/High Resistance Short to Voltage
Relay Coil Supply Voltage P0689, P1682, P16A7, P16AF P0685, P0689, P1682, P16A7, P16AF -
Relay Control Circuit P0686, P0690, P16B3 P0685, P0689, P1682, P16A7, P16AF P0685, P0687, P0689, P1682, P16A7, P16AF
Relay Feedback Circuit P0689, P1682, P16A7, P16AF P0689, P1682, P16A7, P16AF P0690, P16B3
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