'97 ECM Metro

My vehicle a '97 Pontiac Firefly i'm told is the exact version of a Geo Metro, just rebadged for Canada.
I'm looking for a ECM but find nothing for the Firefly. I'm hoping that the one for a Metro would be identical. Can anyone confirm this?

Vehicle is a '97 Pontiac Firefly
2Door 1.3L 4cyl.
Automatic

Part # on sticker of ECM
1.3-AT-P28 H.G
33920-50GR 0
TN112000-4800
Denso 12V
*204800E*

I have found a site with ECM's for Metro but my above part number does not match.
Any help on this would be greatly appreciated.

Thanks

You may want to check your local parts yard. Ask them if you can try it and return it if it doesn't work. Are you sure you need it. For some reason here lately I see someone buy an ECM and it always ends up being something different. Good luck.