Possible malfunctions of the Hyundai Solaris automatic transmission:
Gear shift problems:
* Gear slippage
* Delays when shifting gears
* Gear shifting with bumps or jolts
* Inability to change gear in a certain position
Oil leaks:
* Leaks from gearbox seals or gaskets
*Low oil level in gearbox
Vibration or noise:
* Noise when shifting gears
*Humming or vibration when driving at a certain speed
* Grinding or crackling sound when moving
Electronics problems:
* Fault codes on the instrument panel
* Incorrect operation of sensors, solenoids or electronic control unit (ECU)
* Lack of response to gear selector movement
Other faults:
* Torque converter malfunction
* Worn friction discs or bands
* Clogged hydraulic unit or oil filter
*Differential problems
Causes of malfunctions:
*Low or contaminated transmission oil level
* Wear of transmission components due to mileage or excessive loads
* Improper operation (sharp acceleration, towing heavy loads)
* Electrical faults or electronic control failures
* Factory defects or defects