Conditions for Setting 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.
B1370 01
Ignition 1 voltage circuit is shorted to voltage for more than 2 seconds.
B1370 06
- Ignition 1 voltage circuit is open for more than 2 seconds.
- Ignition 1 voltage, accessory voltage, or off/run/crank voltage circuit shorted to ground.
- Battery positive voltage circuit of the ignition switch open or shorted to ground.
- Run crank relay coil control circuit open (including relay coil and ground).