[Solved] 2017 Hyundai Sonata ECO is stuck with anti-theft light blinking

1856 views - Last reply: January 23, 2025
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Trying to program a spare key - need the key code for my 2017 Hyundai Sonata ECO

Hello! We've developed a VIN-based tool to help you get your key code for the 2017 Hyundai Sonata ECO. Check it out here: VIN Key Code Generator.

Replies (6)

If this works for my 2017 Hyundai Sonata ECO, I owe you big time.

Would love to see a video version of this for a 2017 Hyundai Sonata ECO.

Saved me from towing my 2017 Hyundai Sonata ECO. Thanks!

I’m stuck in a parking lot with my 2017 Hyundai Sonata ECO. Trying this now.

My 2017 Hyundai Sonata ECO's key code has been a nightmare. Trying this now.

Just tried this on my 2017 Hyundai Sonata ECO—anyone else have success?

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Security Systems
Not recommended. Bypassing requires specialized knowledge and may violate anti-theft laws. Proper solutions: 1) Get correctly programmed keys 2) Replace faulty immobilizer components 3) Have dealer reset the system if keys are lost.
Security Systems
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Security Systems
Not recommended. Bypassing requires specialized knowledge and may violate anti-theft laws. Proper solutions: 1) Get correctly programmed keys 2) Replace faulty immobilizer components 3) Have dealer reset the system if keys are lost.
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Quality aftermarket keys work well for most vehicles at lower cost. However, some luxury brands use proprietary technology only available through dealers. For expensive cars, OEM may be worth the extra cost for reliability.
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