Possible reasons for automatic transmission kicking in Hyundai Solaris 2018:
Transmission fluid problems:
*Low transmission fluid level
*Using incorrect or damaged transmission fluid
* Contaminated transmission fluid
Mechanical faults:
* Worn or damaged friction discs
* Torque converter problems
* Faulty transmission solenoids
*Transmission fluid leak
Electronic problems:
*Transmission speed sensor malfunction
* Malfunction of the transmission control module (TCM)
* Electrical wiring failure
Other reasons:
* Faulty engine or transmission mounts
* Faulty transmission oil pump
* Problems with TCM firmware
Diagnosis and solution:
1. Check the transmission fluid level and condition: Check the fluid level and make sure it is clean and red or pink in color.
2. Scan your vehicle’s computer: Using a diagnostic scanner, you can check for transmission-related trouble codes.
3. Inspect Mechanical Components: Check for signs of wear or damage on the friction discs, torque converter and solenoids.
4. Check Electronics: Check the transmission speed sensor and transmission control module.
5. Engine and Transmission Mounts: Inspect the mounts for signs of wear or damage.
6. Update TCM Firmware: In some cases, updating the TCM firmware may solve the problem.
Important: A qualified mechanic must diagnose and repair transmission kicks in the Hyundai Solaris 2018 automatic transmission. Do not attempt to fix the problem yourself as this may cause further damage.