Possible reasons for Hyundai automatic transmission blocking:
*Low transmission fluid level: Insufficient fluid level leads to a lack of lubrication and oil pressure, which causes the automatic transmission to lock up.
* Contaminated transmission fluid: Dirty transmission fluid contains abrasive particles that can damage automatic transmission components and cause the transmission to lock up.
* Wear or failure of electronic components: A faulty solenoid, sensor, or transmission control module (TCM) can cause the transmission to lock up.
* Mechanical damage: Internal automatic transmission components, such as gears, shafts or bearings, can wear out or break, causing the transmission to lock up.
Actions when the automatic transmission is blocked:
*Check transmission fluid level: Add fluid to recommended level if it is low.
*Check the transmission fluid: If the fluid is dark or has debris in it, it should be replaced.
* Check electronic components: Diagnostics using a trouble code scanner can identify faulty electronic components.
* Check for mechanical damage: This task requires disassembly of the automatic transmission, which should be performed by a qualified mechanic.
Precautions:
* Never attempt to tow a vehicle with a locked automatic transmission. This may cause further damage to the transmission.
* Call a tow truck or take your car to a service station along the way.
* Do not attempt to repair an automatic transmission yourself unless you have the appropriate knowledge and experience.