I have problem with the car. Already check by Car Repair Service and the problem is the computer box. The checking engine is repeatedly blinking every 12 second before starting the car. We also test the computer box with the other car (Kia Rio).

Please need your advise is this repairable?
where i can find a repair shop and where i can buy cheapest or surplus computer box
Ito po detail ng computer box:
Kefico
P/N: 39100 - 26AB0

Thanks