The button of the 2 hi flashes sometimes
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2007 GMC Canyon Question: 4wd problem
Answer #1pushrod February 03, 2014, 17:53Master
Have the transfer case module scanned with a professional scanner to find the trouble. Is the 4x4 working?
Answer #2G. T. Service Center (4188 Answers) , Stephenville, TX - (254) 638-3236ProfessorG February 03, 2014, 17:54Master
It needs to be scanned by somebody with a Tech2 scanner to read the transfer case module and find the fault.