Conditions for Running the DTC
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Chevrolet Tahoe, 2012 Chevrolet Suburban, and 2012 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
P0976 or P0977
- DTCs P0976 or P0977 have not set this ignition.
- The ignition voltage is 8.6 volts or greater
- The engine speed is 400 RPM or greater for 5 seconds.
- The SS 2 is commanded ON or OFF.