The immobiliser sensor (transponder reader/antenna) detects the security chip in the key, communicating with the immobiliser module to authorise engine starting.
If you notice any of the following, the part likely needs replacement:
Vehicle won’t start despite the correct key being used
Immobiliser warning light staying on or flashing
Intermittent starting problems
Installation information
Mounted around the ignition barrel or key slot, connecting to the vehicle wiring harness.
Frequently asked questions
A fault in this sensor can prevent it from correctly reading the key’s transponder signal, effectively treating a legitimate key as unrecognised and blocking the engine from starting.
Super good! They came through with the part I needed, quickly and at a fair price! Thanks, and I definitely recommend!
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Ilmars K.
August 2026
★★★★★
I ordered a Heater Blower Motor Resistor for a Toyota Avensis. Delivery took eight days from Latvia to Ireland. I installed it, and everything works perfectly. I wish this company success.
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Aleksandr L.
Toyota Avensis
August 2026
★★★★★
No complaints about Evro Trans itself, everything's fine. But the delivery..... It felt like the order was being carried by turtles. 4 days from Riga to Daugavpils. Judging by the tracking, the parcel just sat somewhere behind a shed for 3 days, then they found it and delivered it the next day. I think that's why I won't be ordering there again.
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Paul F.
June 2026
★★★★★
Super fast delivery of the part, and good quality of the used part. Thanks for the service.
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Natālija I.
May 2026
★★★★★
I ordered antifreeze heaters and an auxiliary pump. Everything arrived quickly, the very next day, and matched the description. I'm satisfied.
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February 2026
★★★★★
Excellent service, timely delivery, and complete transparency at every step. I highly recommend EvroTrans to anyone looking for a reliable partner!
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Egor S.
November 2025
★★★★★
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