Engine light is on. the error code is P1633 Keep Alive Power Voltage is too low on 2005 Ford F-250 Super Duty

I have checked all the fuses they are good. When the engine first starts the engine light goes off then about 5 seconds later it comes back on and stayes on?

Get Your Car Fixed at a RepairPal Certified Shop.
We certify shops based on expertise, quality work, and verified customer reviews
0 answers