OBD fault
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#6
It is definitely not a common issue.
- Try another reader on your truck.
- Make sure the pins are clean.
- Try and hold the wires/connector from the back and really push it on again.
- You can test the OBD port pins with a multimeter and see if there is power to them.
- Check all fuses again, look at them really closely.
#7
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#8
Cheapest route (but the most labour intensive) is to continuity test all of the wires. Use a multimeter and a friend (this is why you have children . . . ) and check each pin one by one, to make sure that all of the wires are good. A little chafing of insulation on a few wires can ruin your whole day. If it is the wiring, then replacing the computer will just cost you a lot of money and fix nothing.
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