Conditions for Setting the DTC
WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
B1529 03
- The BCM detects a short to ground in the B+ voltage reference circuit.
- The above condition is present for greater than 30 seconds.
B1529 07
- The BCM detects a short to voltage in the B+ voltage reference circuit.
- The above condition is present for greater than 30 seconds.