Check the listing for details. Car Engine Computer Board ECU Electronic Control A04 for KIA Hyundai 39110-03420. Color: Black And Silver, Condition: New. Listed at 217.55 USD. (5) (About car anti-theft decoding matching): If ECU is installed, it cannot be started. First, check whether the car has anti-theft function (or whether the key has a chip). If your car has anti-theft function and anti-theft function, you need to decode and match (with the decoder) successfully before the car can start normally.