Kanga - I have a 2012, and I've also seen that the Scangauge "might" work on it. I think, however, I'm going to opt for the factory unit. It's not that much more expensive, and I've had one bad experience already with an aftermarket scanner. Luckily it seems to work well for another owner's truck.
So - Steinbauer CS came back to me with an email, and here are the pertinent portions:
"Thank you for your interest in STEINBAUER PowerEnhancement for your 2012 FG Canter 4P10-T5.
Product number# 220680
MSRP $1,190
To answer your question, our modules are suitable for all transmissions including yours.
Our product comes with a factory map with an increase in HP of 20% from standard, our map has been adjusted to suit the North American market. There is some room for adjustment to further increase/decrease the power, however we recommend that you first use the box in standard mode before making any minor adjustments.
The results that you will achieve will vary depending on the load - heavy or light and the route that you take, flat or inclines. Uphill driving is greatly improved and you will notice a reduction in the need for gear shifting, being able to hold a higher gear for a longer period of time.
All STEINBAUER modules, operate downstream from the ECU - meaning that the manufacturers safety settings remain in place. We do not increase fuel 'rail' pressure nor do we alter directly the ECU by remapping it. Neither of these tuning options are particularly safe. STEINBAUER has been developing, testing, and producing Injector Duration modules for over 18 years - more than double the amount of time of our nearest competitor here in the US."
It sounds like they actually do sell in North America, but I replied back to the CS rep, asking for a dealer contact. Who knows? It might only be for Canada, Mexico, etc. I'll post up whatever their response is, but it looks quite promising. It would be wonderful to get a bit more power out of the unit without stressing it too much.