Recent content by rubystar

I was able to run forscan and these are the codes that came up. My current theory is 1. weak/failing battery causing voltage drops (U3003 at 12.1V is concerning) triggering the shutoffs and communication codes 2. Brake pedal switch failure causing the wrench light (P0504 + C0040) 3. Possibly bad...

Also, my battery terminals I noticed are rusty (see pictures) could that be causing an issue? I am not sure if this is severe enough

My mustang have been getting the wrench light for a couple weeks now. However, everytime it happens, nothing goes wrong with the car at all and it drives normally. It also doesn't come on every time. Usually during lower speeds (more clutch + brake control) Today, for some reason, the engine...