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.

Diagnosis of this DTC is accomplished via the symptom, DTC U0100-U0299 .
An intermittent condition is likely to be caused by a short on the GMLAN serial data circuits. Use the DTC U0100-U0299 procedure in order to isolate an intermittent condition.