[Method] My Citroen Grand C4 Picasso Millenium says ‘Code Error’ on dash - what’s wrong?

3021 views - Last reply: September 25, 2024
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Need the factory key code to program a key for my Citroen Grand C4 Picasso Millenium

Hello! We've developed a VIN-based tool to help you get your key code for the Citroen Grand C4 Picasso Millenium. Check it out here: VIN Key Code Generator.

Replies (3)

Thanks for sharing! Been looking for a key code fix for my Citroen Grand C4 Picasso Millenium.

Great info! Needed this for my old Citroen Grand C4 Picasso Millenium.

I can’t believe I found this. Been stuck with my Citroen Grand C4 Picasso Millenium too.

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Security Systems
Some systems reset by: 1) Disconnecting battery for 15+ minutes 2) Using original keys in specific sequences 3) Professional diagnostic reset. Consult your manual - procedures vary. Persistent issues may require dealer-level tools.
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