Question about GMC Sierra 2500HD
Take it to a dealer their is a software problem with the ECU ?? what exactly i have no idea sorry for my incompetence here but so many variables involved with a complex mass of silicon chips inside the ECU that i would have no idea whats wrong without the manufacturers CORRECT SOFTWARE for fault finding ,perhaps one of the specialists that repair ECUs might be able to help
Posted on Sep 02, 2010
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Posted on Jan 02, 2017
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