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.
B1405 02
The parking assist control module has detected the 8 V reference circuit is shorted to ground.
B1405 03
The parking assist control module has detected the 8 V reference circuit is less than 6.3 V.
B1405 07
The parking assist control module has detected the 8 V reference circuit is greater than 10.4 V.