Codes p0708, p0743 and p0755. Truck had trouble taking off as if lack of power and does not shift gears. The original problem I had was that the transmission wiring harness melted to the exhaust. Wiring was repaired and is good again. I have replaced; TPS, transmission internal wire harness, transmission range sensor, torque converter clutch solenoid, and transmission shift solenoid. The only solenoid I have not replaced yet is the transmission pressure control solenoid that attaches to the transmission range sensor. Could that be the issue? Also, when the harness melted I was no longer able to start the truck via the key and had to bypass the key function to start the truck. Could this one solenoid be the cause of my problems?
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Saturday, March 31st, 2018 AT 3:33 PM