[Confirmed Fix] Subaru Impreza 20i Auto 5Door keyless entry failed - car won’t start

1110 views - Last reply: February 15, 2025
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Where's the key code hidden on my Subaru Impreza 20i Auto 5Door for key programming?

Hello! We've developed a VIN-based tool to help you get your key code for the Subaru Impreza 20i Auto 5Door. Check it out here: VIN Key Code Generator.

Replies (5)

Why is finding a key code on a Subaru Impreza 20i Auto 5Door this hard?!

Just tried this on my Subaru Impreza 20i Auto 5Door—anyone else have success?

Trying to figure this out for my Subaru Impreza 20i Auto 5Door too!

Following this for my Subaru Impreza 20i Auto 5Door. Please update if it works!

I’ve got a 2012 Subaru Impreza 20i Auto 5Door, would this method still work?

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Key Fob Issues
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Security Systems
An anti-theft system that prevents the engine from starting unless it detects the correct transponder chip in the key. The chip sends a unique code to the car's computer when you turn the ignition. No match = no start, even with a physically matching key.
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Key Fob Issues
1) Find the seam and pry open the fob (some have tiny screws) 2) Note battery orientation 3) Remove old battery (CR2032 is most common) 4) Insert new battery 5) Reassemble. Test all buttons - if issues remain, the fob may need reprogramming.
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