Hondata

Well i'm able to resolve the fault by plugging in the EVAP (I think) valve that sits under the hood on the LH side of the engine.

of what importance are the differences?

My apologies.

2006 TSX 6MT, upgraded to a 37820-RBB-A71 Auto ECM.

I can't find much information on this.. is it possible to disable P0443?

I have disabled all the EVAP related faults under 'Misc' but it doesn't specifically list this one.