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Re: Can't coneect to ECM??
After a number of emails with HP tuner they decided the computer cannot connect to the ECM for unknown reason. They believe there is a bad connection somewhere so I am going to have to start looking. I know the OBDII has 12V, the ECM fuses are good and have 12v, and the truck starts. I will have to disconnect the transmission and ensure it is receiving power.
I do not know where to go from here.
Ben
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