Conditions for Setting the DTC

WARNING: This page is about a different car, the 2007 Suzuki XL7. However, it is still accessible from the selected car via links, so may be relevant.

The DRL resistor supply voltage circuit is open, or shorted to ground.
The headlamp low beam signal circuit between a headlamp and the Underhood fuse block is open or shorted to ground.
The battery positive voltage circuit to the headlamp is open or shorted to ground.
One of the headlamp fuses in the Underhood fuse block are open.
The DRL resistor ground circuit is open.
The DRL resistor is open or shorted.
The DRL relay is stuck in the OPEN position.