Set Condition

WARNING: This page is about a different car, the 1995 Oldsmobile Ninety-Eight and 1995 Buick Park Avenue. However, it is still accessible from the selected car via links, so may be relevant.

Code P1561 will set when the following conditions are present.

Vent driver circuit is shorted to voltage when vent solenoid is commanded off.
Vent driver circuit is open.
Vent driver circuit is shorted to ground when vent solenoid is commanded on.
One of above conditions are met for more than half of a second.