Right side low beam headlamp not working

BETAETA104

MEMBER
2015 CHEVROLET TAHOE
60,000 MILES

I've been reading the forum. Like others, my right side low beam lamp doesn't work. I purchased a new HID lamp first, assuming that was the issue. Nope. So, I checked the fuses. Never realized that the headlamps had separate fuses - 20a. I swapped the left and right lamp fuse. Both fuses work the left lamp. So, new lamp and fuse works. What's the next step? A BCM? Thanks, Dan

Saturday, September 12th, 2020 AT 8:52 AM

1 Reply

JACOBANDNICKOLAS

MECHANIC
110,106 POSTS

Hi,

On this new of a vehicle, I would like to think the BCM is still good. Have you tried scanning the CAN BUS system to see if there are any codes related? CAN stands for computer area network. All modules are tied together via a few wires.

Here is a video showing what I'm referring to:

https://youtu.be/InIlnsjOVFA

Also, have you checked to see if there is power to the light itself? There could be an issue with the socket. Also, conform there is continuity to ground from that light socket.

I attached a pic below showing what I am referring to. Check those things and let me know what you find.

Joe

Image (Click to make bigger)