6.7 automatic will not manually shift
#11
#12
This truck has me at my wits end, literally one thing after another.
#13
Dang me too, was working fine then all of sudden it would shift down and not back up once it was in the manual mode. I'm guessing because holding the up button takes it back to drive. I had to put it in neutral and back into drive to get it out of the manual mode... Irritating.
This truck has me at my wits end, literally one thing after another.
This truck has me at my wits end, literally one thing after another.
It was an OEM part seemed to fix the problem been working great for about 5 weeks
Best of luck to you
#14
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EverettsGMC
5.9 Liter CR Dodge Cummins 03-07
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03-29-2015 05:42 PM