Possible causes of shocks when switching automatic transmission on a Volkswagen Tiguan:
1. Wear of mechanical components:
* Worn friction discs
* Faulty solenoids
* Torque converter problems
2. Transmission fluid problems:
*Low fluid level
* Contaminated or old fluid
* Wrong fluid type
3. Electrical problems:
* Faulty speed sensors
* Faulty Transmission Control Unit (TCU)
*Wiring problems
4. Software:
* Outdated or corrupted transmission software
5. Other factors:
* Incorrect timing belt setting
* Problems with engine or transmission mounts
* Excessive load on the transmission
Diagnostics and repair:
To diagnose and determine the exact cause of the tremors, several steps must be taken:
1. Visual inspection: Check the level and condition of the transmission fluid.
2. Reading Trouble Codes: Using an OBD2 scanner, read trouble codes that may indicate transmission problems.
3. Checking the sensors: Check the operation of the speed sensors and other sensors that may affect the operation of the automatic transmission.
4. Software Update: Update your transmission software to the latest version.
5. Mechanical work: If necessary, repair or replace worn mechanical components.
Important: Contact a qualified mechanic or an authorized Volkswagen service center for diagnosis and repair to prevent further damage to the transmission.