Conditions for Setting the DTC
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- 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:
- Battery positive voltage
- Accessory voltage
- Run/crank ignition 1 voltage
- Off/run/crank voltage