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What causes the frequent failure of the Volkswagen Phideon key to be detected?

1 Answers

NoraDella

07/30/25 1:10am

Volkswagen Phideon key frequently fails to be detected due to reasons such as weak remote key battery, remote key code loss, or dead battery. The details are as follows: Weak remote key battery: Even with a weak battery, pressing the remote key will cause the indicator light to flash normally. You can use a multimeter to measure the battery voltage. If the voltage is below 2.5 volts, the remote key may not be recognized. Replacing the battery with a new one can resolve the issue. Phideon remote key code loss: This may occur due to pressing the remote key multiple times from a distance, triggering the system's anti-theft protection mechanism, or prolonged battery depletion in the remote key, which can also lead to code loss. Dead battery: If the car's battery is dead, the sensors in the vehicle will not have power, naturally preventing the key from being detected.

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