[Method] Trying to revive old Honda GL400 - no key code available

823 views - Last reply: May 26, 2025
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Where can I locate the key code to program a Honda GL400 key fob?

Hello! We've developed a VIN-based tool to help you get your key code for the Honda GL400. Check it out here: VIN Key Code Generator.

Replies (6)

Desperate to get my Honda GL400 running again. Trying this tonight.

My mechanic said this might help with my Honda GL400 key issue.

Thanks! This could save me a trip to the dealership for my Honda GL400.

My mechanic said this might help with my Honda GL400 key issue.

Same issue here with my Honda GL400, let me know if it works.

My Honda GL400 won’t budge without the code. Hoping this helps.

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Key Fob Issues
Many cars have a resync procedure: 1) Press lock/unlock buttons while near the car 2) Insert key and turn ignition on/off in a specific pattern 3) Use a sequence of button presses. Check your manual for exact steps - procedures vary widely by manufacturer.
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