Installed new to me tyranny. Code p0720 comes up. New vss installed. Still. Removed harness from computer and tranny. Stripped harnes down. Nothing to find. Ohm test. All good. At a loss boys. What next. I do have a spare computer
Yes,, That may help you get a response from some of the smart guys on here... All I can say check the sensor, wires and connections. These Damn Electronic Diesels are way too fussy... I'm old school, with a stinger in the fuel pump. Ya, I'm an old guy!
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