
2021 Ford F-350 SD
Problems, Recalls & Reliability Report
Quick Summary
The 2021 Ford F-350 SD has 6 owner complaints filed with NHTSA — that's 0.1x the segment average of 80. The most common issue is engine problems (33% of all complaints), specifically: 1st when the truck is running it has 14.7v from cigarette lighter, and i had an app that reported over voltage since day one and have to replace the battery every 6-8 months. 2nd less than 60,000 miles had issues with drive train (could be something else as i’m not mechanical) and it went after th. ⚠️ 1 fire report filed.
6
Total Complaints
0
Recalls Issued
—/5
Safety Stars
0.1x
vs Segment Avg
Known Problems
ENGINE
2 complaints- • 1st when the truck is running it has 14.7v from cigarette lighter, and I had an app that reported over voltage since day one and have to replace the battery every 6-8 months. 2nd less than 60,000 miles had issues with drive train (could be something else as I’m not mechanical) and it went after th
- • The contact owned a 2021 Ford F-350 Diesel. The contact stated that while the vehicle was parked in the contact's residential yard, the contact noticed the vehicle was on fire. The contact had just parked the vehicle and walked around to the back of the residence. The contact stated that the fire
“1st when the truck is running it has 14.7v from cigarette lighter, and I had an app that reported over voltage since day one and have to replace the battery every 6-8 months. 2nd less than 60,000 miles had issues with drive train (could be something else as I’m not mechanical) and it went after th”
— NHTSA complaint filing
BODY/STRUCTURE
1 complaints- • ABOUT 7-8 TIMES NOW, THE TAILGATE HAS OPENED UNDER IT'S OWN POWER UNEXPECTEDLY. IT HAS HAPPENED WHILE STATIONARY AFTER JUST STARTING THE VEHICLE, WHILE IN REVERSE AND IN FORWARD MOTION. ALL INSTANCES SEEM TO HAPPEN SHORTLY AFTER THE VEHICLE HAS BEEN STARTED.
“ABOUT 7-8 TIMES NOW, THE TAILGATE HAS OPENED UNDER IT'S OWN POWER UNEXPECTEDLY. IT HAS HAPPENED WHILE STATIONARY AFTER JUST STARTING THE VEHICLE, WHILE IN REVERSE AND IN FORWARD MOTION. ALL INSTANCES SEEM TO HAPPEN SHORTLY AFTER THE VEHICLE HAS BEEN STARTED.”
— NHTSA complaint filing
VISIBILITY
1 complaints- • The contact owns a 2021 Ford F-350 SD. The contact received a notification for NHTSA Campaign Number: 21V090000 (Visibility); however, the part to do the recall repair was unavailable. The dealer had been notified about the recall and confirmed that parts were not yet available. The manufacturer had
“The contact owns a 2021 Ford F-350 SD. The contact received a notification for NHTSA Campaign Number: 21V090000 (Visibility); however, the part to do the recall repair was unavailable. The dealer had been notified about the recall and confirmed that parts were not yet available. The manufacturer had”
— NHTSA complaint filing
TRANSMISSION
1 complaints- • 1st when the truck is running it has 14.7v from cigarette lighter, and I had an app that reported over voltage since day one and have to replace the battery every 6-8 months. 2nd less than 60,000 miles had issues with drive train (could be something else as I’m not mechanical) and it went after th
“1st when the truck is running it has 14.7v from cigarette lighter, and I had an app that reported over voltage since day one and have to replace the battery every 6-8 months. 2nd less than 60,000 miles had issues with drive train (could be something else as I’m not mechanical) and it went after th”
— NHTSA complaint filing
DOORS/LATCHES
1 complaints- • The contact owns a 2021 Ford F-350. The contact stated that while driving at 55 MPH, the tailgate opened inadvertently, and landed on the jack for the trailer that was being hauled. The vehicle was not diagnosed or repaired. The manufacturer was notified of the failure. The failure mileage was appro
“The contact owns a 2021 Ford F-350. The contact stated that while driving at 55 MPH, the tailgate opened inadvertently, and landed on the jack for the trailer that was being hauled. The vehicle was not diagnosed or repaired. The manufacturer was notified of the failure. The failure mileage was appro”
— NHTSA complaint filing
Estimated Repair Costs
Estimates based on average reported repair costs. Actual costs vary by location, shop, and severity.
🔍 Pre-Purchase Inspection Checklist
Based on 6 owner complaints for this specific year, here's what to check or ask about:
- ☐ENGINE: 1st when the truck is running it has 14.7v from cigarette lighter, and I had an app that reported over voltage since day one and have to replace the battery every 6-8 months. 2nd less than 60,000 miles had issues with drive train (could be something else as I’m not mechanical) and it went after th
Typically appears around 50K miles. Repair cost ~$500
- ☐BODY/STRUCTURE: ABOUT 7-8 TIMES NOW, THE TAILGATE HAS OPENED UNDER IT'S OWN POWER UNEXPECTEDLY. IT HAS HAPPENED WHILE STATIONARY AFTER JUST STARTING THE VEHICLE, WHILE IN REVERSE AND IN FORWARD MOTION. ALL INSTANCES SEEM TO HAPPEN SHORTLY AFTER THE VEHICLE HAS BEEN STARTED.
Typically appears around 50K miles. Repair cost ~$500
- ☐VISIBILITY: The contact owns a 2021 Ford F-350 SD. The contact received a notification for NHTSA Campaign Number: 21V090000 (Visibility); however, the part to do the recall repair was unavailable. The dealer had been notified about the recall and confirmed that parts were not yet available. The manufacturer had
Typically appears around 50K miles. Repair cost ~$500
- ☐TRANSMISSION: 1st when the truck is running it has 14.7v from cigarette lighter, and I had an app that reported over voltage since day one and have to replace the battery every 6-8 months. 2nd less than 60,000 miles had issues with drive train (could be something else as I’m not mechanical) and it went after th
Typically appears around 50K miles. Repair cost ~$500
- ☐General: Get a pre-purchase inspection from an independent mechanic ($100-$200)
Ford F-350 SD — Year Comparison
How does 2021 compare to other years? Fewer complaints = more reliable.
NHTSA Safety Rating
No NHTSA safety rating available
At a Glance
- Complaints
- 6
- Recalls
- 0
- Fire reports
- 1
- Crash reports
- 0
- Injury reports
- 0
- Segment avg
- 80
Check a Specific VIN
See recalls for YOUR 2021 Ford F-350 SD