Conditions for Setting the DTC
WARNING: This page is about a different car, the 2017 Chevrolet Spark. However, it is still accessible from the selected car via links, so may be relevant.
DTC B2580 01
The BCM detects a short to voltage in the headlamp high beam relay control circuit.
DTC B2580 02
The BCM detects a short to ground in the headlamp high beam relay control circuit.
DTC B2580 04
The BCM detects an open/high resistance in the headlamp high beam control circuit.