[Status: Resolved] Trying to flash ECU on Jaguar RCoup, code mismatch error

809 views - Last reply: March 07, 2025
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How to get my Jaguar RCoup's key code to program replacement keys?

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

Replies (6)

Trying this out on my Jaguar RCoup today—hoping it works.

Been stuck with my Jaguar RCoup for weeks. This might be the fix.

Was about to give up on my Jaguar RCoup, but this gives me hope.

Fingers crossed this works for my Jaguar RCoup too.

Can’t believe this worked on my Jaguar RCoup. Huge thanks!

Dealer wants too much just to reset my Jaguar RCoup. Trying this instead.

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Some vehicles allow DIY key programming using specific sequences (like turning ignition on/off with original keys). However, most modern cars require specialized equipment only locksmiths or dealers have. Check your owner's manual for your specific model.
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Lost Keys
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