One problem related to computer failure has been reported for the 1999 Hyundai Tiburon. The most recently reported issues are listed below.
Had cd player replaced, computer failure after that where the check engine light comes on, they replaced it - the the battery died for no reason, they replaced that, now my car is shifting out of control and surges when at stop light with my foot on the brake pedal, while driving 60m mph the car shifts into the same gear continuously and jolts then slows - they cant see a problem and say they cant help me, when they test drive it it's fine - the second I take it home from the dealership it starts up - it is dangerous to drive but since they cant find the problem from a test drive and computer test they dont know what to do except send me home with a dangerous car.