Buick Envision P1682: Ignition 1 Switch → Circuit 2
P1682 is a diagnostic trouble code that indicates that your Buick Envision’s ignition switch is having a voltage problem. It is typically caused by a faulty ignition switch, although there can be other causes as well. There are two “circuits” to the ignition switch. The first one goes to the ECM through the throttle … Read more