Conditions for Setting the DTC: P0690

WARNING: This page is about a different car, the 2010 Pontiac G5 and 2010 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.

The ECM detects the engine controls ignition relay feedback circuit is greater than 2 V when the relay is commanded OFF.
The ECM detects the engine controls ignition relay feedback circuit is greater than 18 V when the relay is commanded ON.
The condition is present for greater than 2 s.