Problem with rear brake lights

[Utes R Us & kustoms]

Hi I am having a problem with my ve commodore sedan it's brake lights are not working except for my rear window brake light. Been told it will be a computer problem and it's not covered under warranty.
Does anyone know anything about this problem and is it true that it's not covered under warranty.

Cheers

 

[axemurderer101]

what have you checked so far? have you pulled the globes out?

 

[Utes R Us & kustoms]

Yeah i pulled the globes out and they are fine. I tried a new one in there and it didnt work.