Electrical System Related Problems of the 2021 Ford F-350

Table 1 shows three common electrical system related problems of the 2021 Ford F-350. The number one most common problem is related to the electrical system (eleven problems). The second most common problem is related to the integrated trailer brake control (one problem).

Table 1. Electrical System related problems of Ford F-350


Recently reported Electrical System problems of the 2021 Ford F-350

The Electrical System problem

See attached document for complaint.   Read details...

The Integrated Trailer Brake Control problem

The contact owns a 2021 Ford F-350. The contact stated while driving 65 mph, the trailer disconnected warning light illuminated. The contact disconnected the trailer and drove the vehicle to the dealer. The dealer could not duplicate the failure with the trailer being disconnected.   Read details...

The Wiring Fuses And Circuit Breakers problem

The contact owns a 2021 Ford F-350. The contact stated that on several occasions while parked, the vehicle was turned off but remained running. The check engine warning light was illuminated. The vehicle was taken to a dealer where it was diagnosed that there was an electrical short due to   Read details...


Electrical System related problems in other Ford F-350 model year vehicles:



F-350 Service Bulletins
F-350 Safety Recalls
F-350 Defect Investigations