Table 1 shows ten common electrical system related problems of the 2005 Hyundai Tucson. The number one most common problem is related to the electrical system (17 problems). The second most common problem is related to the horn assembly (five problems).
This car accelerates while unattended. Most likely due to an ecm malfunction and unable to properly respond/send signals to the motor. On 4 occasions, the car has accelerated, even if in park. It will go 25mph on its own and to stop I had to put it in neutral. Read details...
The contact owns a 2005 Hyundai Tucson. While driving approximately 35 mph and applying pressure to the horn to avoid a crash, the horn would not sound. The vehicle was taken to the dealer six times for the failure where the technicians replaced the horn, the conjunction box and the horn modulator Read details...
: the contact stated while starting the vehicle, it lurched forward and would not engage into gear. Also while driving, the 4wd light intermittently illuminated. The vehicle was taken to the dealer several times who could not duplicate the problem. Read details...