Conditions for Setting the DTC
WARNING: This page is about a different car, the 2007 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.
- The BCM monitors a low reference voltage of less than 4.5 volts.
- The BCM monitors a high reference voltage of greater than 5.5 volts.
- The BCM monitors a signal voltage of equal or greater than 4.86 volts for more than one second.