[Resolved] Got new ECU and now Grech Motors motorhome wants key programming code

4002 views - Last reply: April 01, 2025
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Need my Grech Motors motorhome's key code to program a replacement key - where to look?

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

Replies (6)

Can’t believe this worked on my Grech Motors motorhome. Huge thanks!

Still can’t find the code for my Grech Motors motorhome. This might do it.

My Grech Motors motorhome is basically useless until I get this code. Fingers crossed.

Hope this method is better than the last one I tried on my Grech Motors motorhome.

I’m in the same boat with my Grech Motors motorhome. This looks promising.

My Grech Motors motorhome is just sitting there waiting for a miracle like this.

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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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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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Most transponder keys and smart keys can be reprogrammed if they haven't been damaged. Basic mechanical-only keys (no chip) can't be reprogrammed - they must be physically cut to match your locks.
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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