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Home >> GMC >> 2018 >> Terrain Denali, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 7 (Engine Controls And Fuel - 1.5L (LYX) - Diagnostic Information And Procedures (P0351 - P26C8) And Symptoms) >> Diagnostic Information And Procedures >> DTC P0685, P0686, P0687, P0689, P0690, Or P1682: Engine Controls Ignition Relay Control Circuit >> Conditions for Setting the DTC

Conditions for Setting the DTC

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P0685, P0686, P0687 

Commanded state does not match the actual state - For greater than 2 s

P0689 

Engine Controls Ignition Relay Feedback Circuit = Less than 5 V - For greater than 5 s

P0690 

Engine Controls Ignition Relay Feedback Circuit = Greater than 4 V - For greater than 5 s

P1682 

The following parameters are not within 3 V of each other:

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