I tried to read ECM for G2X, but failed with "x7f negative response code" message.
What's the meaning of this message?
And what should I check?
Other G2Xs were read and written normally...
I tried to read ECM for G2X, but failed with "x7f negative response code" message.
What's the meaning of this message?
And what should I check?
Other G2Xs were read and written normally...
May have been previously custom tuned. Please e-mail support.Originally Posted by biondi
The vehicle was tuned by Trifecta and the problem was solved after writing stock calibration with Full flash option.
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