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How to Fix the Keyless Entry Failure in Tiguan?

1 Answers

SanLucas

07/29/25 6:44pm

Keyless entry failure is mostly caused by key issues or sensor malfunctions, and it is best to go to a repair shop for diagnosis as soon as possible. The related introduction is as follows: 1. Troubleshooting: If you can use the one-button start to ignite the engine, it means the internal antenna or battery is functioning properly. In this case, you need to check the door handle sensor, antenna, wiring connectors, or the controller. 2. Diagnosis: In the Shanghai Volkswagen Tiguan, the KESSY system has three additional antennas installed behind the gear lever inside the car, under the rear seat, and in the middle of the rear bumper. The keyless start function is achieved through these antennas. If any of these antennas malfunctions, the keyless entry and locking functions will be disabled. It is recommended to visit a repair shop to read the fault codes for diagnosis.

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