Search results

Its not as much bad continuity on the harness its insulation coming off and wires shorting together, on truck metal or just damp in the harness and that can disrupt

I can connect to the wtec3 round diag plug on first gen trucks. Its a slower setting and you dont get much more info than the keypad errors. Its more than likely a wiring issue or bad tcm. I have a good tcm on hand. If you take the grill off on the drivers side of the hump the cab to trans...

And you have good voltage batt connections alt connections tight polarity box connections are good. Could be alot of things. No pinched wires when the habitat went on? Could be a tcm issue. Swap in a tcm from another truck.

The wire harnesses are known to have issues. Old insulation cracks and falls off. 2001 truck should be an a1 3126 engine no tps sorry didnt see that before. It gets the info from the engine computer. Did you make sure the tcm connectors were well seated?

Yes. I looked the code up again. Could be a wire harness issue. Maybe no comm with tps. Thats in the engine bay black box with a cable over to the throttle assembly

Drop the passenger kick panel see if one of the 3 connectors came loose or something simple. The keypad display is powered by the tcm if you have display then its connected.