Conditions for Setting the DTC

WARNING: This page is about a different car, the 2006 Pontiac Montana SV6, 2006 Chevrolet Uplander, and 2006 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.

One or more of the following conditions are met:

When the EBCM commands the 5-volt reference ON, the output is less than 4.9 volts or greater than 5.1 volts.
When the EBCM commands the 5-volt reference OFF, the output is greater than 0.5 volt.