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.

The PCM has detected a voltage greater than 26.5 volts.
OR
Excessive current is detected on any circuit to the ODM.
The above conditions are present for 30 seconds.