I started my 2003 F250 Ford V10 eng with 105K miles. One owner, looks new. The check eng light came on and stayed on. I took it into the Ford place here in Yuma and 3 hrs later they said I need a new ...
The main board in my SUV went bad. I lost my headlights, but not my turn or brake lights. I lost my interior lights, but not my dash lights. Everything else was fine.
The main board controls a lot of stuff and if one part goes bad you can't just fix that - the whole board has to be replaced.