I have a automatic 2013 ford f150 fx4 3.5 twin turbo with 210,000 .Yea its ford not the greatest but it help me out of a bad time. Anyways i just replaced a bad fuel pump control module relay with a code U0109 which still pops up after just installing the new replacement with is blowing #27 fuses like crazy almost 6 within a week. Im still able to go and drive with out problem from the fuses. Any advice or help would be greatful your the best.
sounds like you have a short in the wiring. That's the first thing I would have checked before running out to buy a whole new module.
https://www.youtube.com/watch?v=6bgVEf02LIE
@imperator i have looked at all my wiring there are no sign of chewed or any faulty wiring before i replaced the the relay
Did you buy a cheap pump or a quality pump?
@abacus its not the pump i had already pulled and inspected it with a friend who works as a mechanic for my local ford. Hes never seen this problem before that is a fuel pump control/drive module that sits on the frame above the spare tire. Spent about 70 for the last qaulity part that fits my truck with a lifetime warranty from ultama.