Conditions for Setting the DTC
WARNING: This page is about a different car, the 2010 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
- The ECM detects an incorrect voltage level at the ignition voltage supply circuits.
OR
- The ECM detects an internal communication error.
- Either condition exists for greater than 1 second, or an a cumulative of 10 s.