With my DDM kit, there is no need to buy the error eliminator. The DDM kit leaves the passenger side OEM bulb unplugged because ther DDM harness only connects to one bulb connection. For some reason, the brights indicator on my dash and HUD is constantly on. It's dimmer when the brights are not actually on, but it's still there.
I plugged in a stock bulb to see what would happen and it fixed the brights indicator on the HUD and dash. Since I have the 9004 bulb plugged into the stock harness, I now have an underhood light.
