Immobilizer System Light Blinking when using spare key | 2013 Honda Civic

ginamegiB to Mechanic Advice@gearhead.townEnglish · 1 year ago

When trying to start my car with either of my spare keys, the engine turns over and then stops and the immobilizer system light starts blinking. The manual says this is a signal for a malfunction and to bring it to a dealership - I’d love to avoid that as the main key I use doesn’t have this issue.

What could be going on that 2/3 of my keys are failing to start the car?

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