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pcm write error (-1)

Posted: Sat Mar 28, 2015 2:19 pm
by drewmasters711
i installed a power puck my trinity popped up to install backup original tune i did so it only gets to 75% and sayd pcm error write (-1) please help truck will not crank no matter what i do need help asap please 2003 gmc 3500 6.6 LB7

Re: pcm write error (-1)

Posted: Mon Mar 30, 2015 10:32 am
by mikel
please give us a call with the tool powered up in the vehicle.

Thanks