z7199

I got my tune in last thurs. (wait4me) put it in then drove over to a shop in Houston and got my 4.10 gears put in. So I did drive it for a while with the tune set for 4.10 gears and still had 3.73's. Anyway as soon as I left the Shop my abs & brake lights came on turnes off the truck restarted it and all was fine for a few miles, then they came back on. I read of others having this problem and they said maybe jesse forgot the 4.10 part. Well I got ahold of him and he said everything was right, 4.10's with 315/75/16 tires. Anybody have any ideas?