UCH N3 Part no's and doing the swap.

[xena]

I need a new UCH for my car, old UCH no P8200272302A. I've just bought a new set (inc ignition barrel etc) but the part number is without the A, so just P8200272302. They're both N3 ver 5.2 tho.

Anyone know the difference or if it should be ok?

I've got two choices at the mo, swapping the lot so I can use this UCH as it is, or pay a guy £50 to desolder the immobiliser chip from mine and stick it into this UCH, so will probably be back on here asking for more help next week!!

Cheers guys

 

[xena]

ETA I've read somewhere that the ECU doesn't need changing as the transponder ring just sends the signal that the key has the right chip, so I hope that's true, would make life easier!