81yota1
Well-Known Member
So i have a handheld hp tuner called diablo sport intune1000 but when i hook it up to the obd2port and try to tune it says "failed to read ecm for oiginal backup"
this is a 05 pontiac gto...anyone have an idea of whats causing this?
this is a 05 pontiac gto...anyone have an idea of whats causing this?