2020 Ford Fusion: Severe transmission slipping
Common wear/failure (not a recall)
Symptoms
Owners of the 2020 Fusion report: severe transmission slipping. CarComplaints.com lists 1 owner complaints, average mileage 900 miles.
NHTSA has 67 owner complaints for the 2020 Fusion in this area. Examples:
- NHTSA complaint ODI #11764867 (filed 09/17/2026): “Coolant intrusion. started with thick white exhaust when starting up in morning. turned into acceleration lags, car shutting engine off when parked, and exhaust smell coming inside of car. 2014-2019 models have a recall for cracked engine block allowing coolin…”
- NHTSA complaint ODI #11748773 (filed 07/07/2026): “A failed transmission cooling line caused the transmission fluid to leak. at no point did the vehicle display a check engine light, transmission warning, or any other indication that there was a problem. according to the ford dealership, the transmission flui…”
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: Pro
Diagnosis needs a scan tool; repair or replacement needs a lift, transmission jack and the manufacturer's fluid fill/relearn procedure. (Our assessment.)
Cost
No sourced cost range: get a written quote after diagnosis.
Typical parts (search links, no affiliate codes)
AutoZone · O'Reilly · Advance · RockAuto
Sources
Page last updated .