im having this same issue since updating. my 1999 silverado allowed me to tune it a month ago and since the update i get this message but i can tune my buddy's 2007 escalade. iv left my battery on...
Type: Posts; User: shawnstacye
im having this same issue since updating. my 1999 silverado allowed me to tune it a month ago and since the update i get this message but i can tune my buddy's 2007 escalade. iv left my battery on...