My 2017 Tucson's heated/cooled seats have stopped working. This in turn has knocked out the drivers headlight.
I have changed the Module 4- 7.5amp fuse, which blew again instantly.
Has anyone else has this issue? Or know a solution before I spend £100s on diagnostics?

Thanks in advance

 

When dealing with electrical/electronic problems you need some special info and equip.

The reason a fuse blows is due to an excessive load on the circuit. Most times if you look at the wiring you may see where it has rubbed against some metal part of the vehicle and permitted a short path to ground. (earth ground , in some areas).
Sometimes we get lucky and can see it without tools, but sometimes it takes us for a ride too.

 

Did you have any luck finding what was causing the fault? Exactly the same issue has just happen to our Tuscon