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Home >> Chevrolet >> 2010 >> Traverse LT, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 510 (Engine Controls And Fuel - 3.6L (LLT) - DTC P0340 To DTC P2635 And Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P0685-P0687, P0689, P0690, or P1682: Engine Controls Ignition Relay/Ignition 1 Switch >> Conditions for Setting the DTC

Conditions for Setting the DTC

WARNING: This page is about a different car, the 2016 GMC Acadia, 2016 Chevrolet Traverse, and 2016 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.

P0685 

The ECM detects that the commanded state of the driver and the actual state of the control circuit do not match for greater than 2 s.

P0686 

The ECM detects a short to ground on the control circuit for greater than 2 s.

P0687 

The ECM detects a short to voltage on the control circuit for greater than 2 s.

P0689 

The engine controls ignition relay voltage is less than 5 V for greater than 5 s.

P0690 

The ECM detects the engine controls ignition relay feedback circuit is greater than 4 V for greater than 5 s.

P1682 

The ECM detects that there is greater than 3 V difference between the ignition main relay signal and the engine controls ignition relay signal circuits for greater than 1 s.

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