Diagnostic Aids

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.

Battery temperatures can be affected by vehicle load, outside temperature and customer driving conditions. Test drive the vehicle, and attempt to simulate the Freeze Frame/Failure Record conditions this DTC set under.
An open 5 V reference or ground circuit will have a default scan tool reading of 214°C and 4.99 V.