Conditions for Setting the DTC
WARNING: This page is about a different car, the 2009 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
- BCM senses an open or short to voltage on the off/run/crank voltage circuit when both ignition accessory/run and ignition run/crank parameters are active.
- BCM senses an open on the battery positive voltage circuit (to the ignition switch) while engine is running. An open on the battery voltage circuit can be caused by a short to ground on any of the following circuits:
- B+
- Accessory voltage
- Run/crank ignition 1 voltage
- Off/run/crank voltage