Audi Repair Questions? Ask a Mechanic for Answers ASAP
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Inspect the data link connector in the vehicle to see if any wiring is damaged or any terminals in the data link connector are damaged possibly spread open to far causing poor contact for the scan tool to plug into and connect to the vehicle.If an issue is found it will need repaired.If this is or was checked and all found to be o.k. let me know so we can continue.
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O.k.,this can be due to a fault within the engine computer itself with it being faulty needing replaced or an issue with the wiring leading to this computer with the wiring being damaged needing repaired.If you have not had the wiring and connections checked this needs done and if found to be o.k. this can be the engine computer itself at fault needing replaced.