August 28, 2009, 6:44 pm
Hi i have just done the unlock display on my fiesta mk5 petrol is come up dtc code none does this mean everything is running fine and that the car is ok cheers alan.
August 28, 2009, 7:34 pm
DTC none means there is no faults stored on the ecu. Doesn't mean your car is mechanically sound but it does mean all the various sensors are reading what they are supposed to.