Jvanclieaf Posted May 25, 2021 Posted May 25, 2021 I am acquiring an 08 gmc 1500. It currently is having a transfer case issue with shifting. I was able to clear the codes a couple times and make it shift. Currently in key on it sets code C0306-05 in the transfer case control module and it resets every time the key is cycled. Sometimes I can get it to shift if I reset the codes and don’t cycle the key. Looking to find out what direction to go in. Using an autel MD806 scan tool for my diagnostics. Any help is greatly appreciated
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