U0420 on FORD FUSION
What U0420 Means on Your FORD FUSION
Real FORD FUSION Owner Reports (Source: NHTSA Complaints Database)
"I was driving my car when our of no where, the power steering stopped functioning and two messages started to flash on my dashboard: "Steering Assist Fault Service Required" and "Service Advancetrac" This was very dangerous as I could not steer the car."
"Hello, I was driving towards the hotel I was staying at when I heard some squeaky noises when I was turning my car (this was at night). The next day, I was leaving the parking garage, about to drive onto a main road when my power steering went."
Data from NHTSA Vehicle Complaints Database. All reports are filed by vehicle owners directly with the U.S. Department of Transportation.
Common Causes of U0420 on FORD FUSION
Percentages based on NHTSA complaint component analysis for this vehicle.
Complaint Trend by Year
What To Do Next
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1
Check for recalls on YOUR VIN
Go to nhtsa.gov/recalls and enter your VIN. Free repairs if your vehicle is covered.
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2
Get a proper diagnosis
A code alone doesn't tell you the exact failed part. A diagnostic at a shop ($50-$150) pinpoints the root cause before you spend money on parts.
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3
Compare repair quotes
Get 2-3 quotes. Dealer vs independent shop prices often differ 30-50% for the same repair.