LEMON Manuals: Even more car manuals for everyone
Home >> Buick >> 2015 >> Regal GS, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 17 (Engine Controls And Fuel - 2.4L - DTC P0628 To DTC P2635 And Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P0685-P0687, P0689, P0690, or P1682: Engine Controls Ignition Relay >> Conditions for Setting the DTC

Conditions for Setting the DTC

WARNING: This page is about a different variant/trim than selected.

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 2s.

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 volts for greater than 5s.

P0690 

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

P1682 

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