2020 Ford F-250 Super Duty: Advance security system does not work
Common wear/failure (not a recall)
Symptoms
Owners of the 2020 F-250 Super Duty report: advance security system does not work. CarComplaints.com lists 1 owner complaints, average mileage 1,000 miles.
NHTSA has 27 owner complaints for the 2020 F-250 Super Duty in this area. Examples:
- NHTSA complaint ODI #11727106 (filed 03/25/2026): “I was driving the truck and suddenly smoke came out from behind the radio. i stopped and checked and saw that the truck was on fire. i immediately tried to turn it off with the few water bottles that i had with me. i had no luck and the entire truck burned u…”
- NHTSA complaint ODI #11720861 (filed 02/27/2026): “Good morning, ms. edds my name is [xxx] . i spoke to you a few years back in regards, to a vehicle i had. well, today i am writing about another situation . i have a 2020 ford f250 vin [xxx] . since purchasing this vehicle, i have had recall after recall on …”
Likely causes
Sources do not establish a single root cause; diagnosis is needed. Owner-reported fixes are listed below.
Fix, in plain English
Most common owner-reported solutions on CarComplaints.com: none clearly reported. Check for open recalls and extended warranty coverage with a dealer before paying out of pocket.
DIY difficulty: Moderate
Finding and splicing chewed wiring is doable with a multimeter and patience but can be time-consuming; harness replacement is pro work. (Our assessment.)
Cost
CarComplaints.com owners report a typical repair cost of about $580 (owner-reported average, not a quote).
Typical parts (search links, no affiliate codes)
AutoZone · O'Reilly · Advance · RockAuto