If the automatic transmission does not shift properly and the Check Engine Light illuminates, the speed sensors in the transmission may have failed. The sensors are simple and inexpensive to replace.
2005 Hyundai Tucson Problem Reports
RepairPal Verified 2005 Hyundai Tucson Problem Reports
Hyundai issued two recalls for the airbag control module on certain vehicles; it should be replaced to prevent incorrect passenger side airbag deployment during an accident. For more information on these recalls, please click here» and here».
Prior to replacing the automatic transmission fluid (to improve shift quality), make sure that the transmission fluid level is correct. Also, make sure the computer that controls the transmission has the most up-to-date adaptive programming information. When servicing these transmissions be sure to use fluid approved by Hyundai.