I am trying to tune my 2008 GMC Sierra. I bought this hptuners to tune a '98 Firebird, but have been told that it should work on my GMC Sierra as well. Here is the error message:
I am trying to tune my 2008 GMC Sierra. I bought this hptuners to tune a '98 Firebird, but have been told that it should work on my GMC Sierra as well. Here is the error message:
Just do what it says and support should be able to tell you exactly what the problem is.
http://www.hptuners.com/help/index.h...mersupport.htm
We got this guy Not Sure, ...
I got all my issues resolved on this by the way. The customer service from hptuners is good, I am very pleased!
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