This one has me puzzled, high-mounted LED 3rd brake light works fine, but neither L-R brake light works, replaced bulbs, checked fuses, all good, even the trailer harness plug has power to it for brake lights.
All other lights function and diagnostic center says all is well.
Is there a plug in the harness that has disconnected?

 

Mine had bad sockets. Both went bad at the same time
Get ready to replace the fluorescent 3rd light with a led kit next......
You'll know when that goes tho, big white fireball........

 

Thanks Charlie, I haven't tested the sockets yet since I figured the bulbs made real good test lights!.LOL!

 

No power to sockets, except for tail marker lights.
I'm stumped.

 

I'll look up the wiring diagram.

 

The high mount is wired directly. The other two go through the monitor first. #ad
green Is stop, Brown is tail.

 

Thanks, Yup it was the lamp-out module again (LOM) usually causes a problem with headlights, first time I've seen it mess with brakes.
One solder-joint on the board looked suspect put it under the mag glass and added a tiny bit of solder, brake lights are back!

I have 2 extras of these little sum-beeches, they are a nuisance on the Eddie Bauer and Limited models with diagnostic display.

 

never had trouble w mine. Do you have a water intrusion problem?

 

Nope............Just seems like the tiny little boards seem to suffer from cold solder-joints.