Kia Troubleshooting Questions? Ask a Mechanic
Most likely the problem is an internal issue in the speedometer head, the instrument cluster will most likely have to be replaced. Please RATE my service a 3 or above, if for some reason you can not, Please ASK another question, I will continue to answer your questions, even after rating is given, until you are completely satisfied with my answers.
This would be normal if you failed to flash the computer to reprogram the vin # ***** the 2nd cluster, so that the computer would recognize it electronically, other wise the anti theft system will trigger and shut the vehicle down because the computer thinks the vehicle is being stolen.