Bosch no heat and long cycles

Ok, I’ve resoldered this thing several times to fix it over the years, but now it’s not helping so I suspect something on the board is actually damaged this time. Can someone tell me the proper control unit part number that has a design fix for this issue (burnt out relay pin)? I’d rather get one that has this problem fixed than an identical one that will just have the same issue down the road.

thanks

Never mind, I can’t read my wife’s handwriting. I just looked myself and the model ends in uc/12 rather than u4/12. I believe the correct replacement part for this is 266746.