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What are the reasons for the key system failure of Infiniti q50l?

1 Answers

KevinDella

07/30/25 1:36am

Infiniti q50l key system failure may be caused by: dead battery, key control module failure, aging remote transmitter antenna, or system unable to detect the key. Dead battery: The battery is dead or has poor contact. In this case, the battery needs to be replaced. Key control module failure: If the time control module in the remote key fails, the remote function may not work. In this case, the key control module needs to be repaired or replaced. Aging remote transmitter antenna: This issue can also occur due to the aging of the vehicle's remote transmitter antenna. In such cases, it is advisable to visit a repair station for inspection and repair. System unable to detect the key: If the dashboard displays a key system failure and refers to the manual, it might be because the system cannot detect the key. Try restarting the vehicle. If the vehicle cannot start normally, place the mechanical key close to the one-touch start button and wait for the light to come on before starting the vehicle normally. If the fault persists after starting the vehicle, it is necessary to visit a 4S shop to re-match the key.

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