This article describe 5 problems with the 3rd generation of the Hyundai Tucson, which is available in model years 2015 to 2020. For more Hyundai cases, please refer to HYUNDAI TROUBLE REPAIR.
No.1 Speed Senso
Speed Sensor is located in the transmission. If you have any symptoms that the check engine light on and the vehicle is shifting erratically, it’s probably not in your transmission, it’s just going to be that sensor. It’s going to be cheaper to replace and easier.
No.2 Airbag Control Module
It’s only on certain vehicles have a problem with the airbag control module and it controls the deployment of the airbags.The symptom for this is the the airbag may not deploy properly during and accident , if you have a concern about this you have to check with your local dealer.
No.3 Radio Software Glitch
There are some different symptoms of the radio not working , properly or even no sound coming out of the radio.
If you have this symptom is do a hard reset by disconnect the negative terminal on the battery 15 minutes, and then reconnect the battery. There doesn’t appear to be any software updates so this is the repair for this situation. After doing this, it probably won’t happen again but it might.
No.4 Acceleration Issue due to a software glitch
When you go to accelerate rapidly there’s going to be a delay. If you have this symptom please contact your local dealer.
No.5 EVAP Temp Sensor
The symptom is you’re going to find the air condition isn’t working properly what’s actually happening is the computer system isn’t getting the correct readings from the temperature sensor and causing the AC not to work properly. If you replace that sensor, everything should be back to normal.