2015 Ford F-350 SD Engine Problems
NHTSA component category: ENGINE · data through 11/01/2026
Source: U.S. NHTSA complaint data. Complaints are unverified reports from vehicle owners — a complaint is not a confirmed defect.
How engine ranks on this vehicle
Share of the 208 complaints citing each category; one complaint can cite several. Full breakdown on the 2015 Ford F-350 SD overview page.
What owners report
“1/4/2022 â TRAVELING TO SOUTHERN OHIO IN F-350. Engine light came on. Truck info screen showed Exhaust Fluid System Fault â indicating truck would lock…”NHTSA complaint 11457166 — filed 03/17/2022
“Cp4 fuel pump failure, upon failure repair was $9300.00, ford obviously knows of the problem as their is a kit that can be purchased for…”NHTSA complaint 11443761 — filed 12/14/2021
“P20BA - DEF Reductant Heater Code for a defective DEF reductant heater on a 2015 F-350 6.7L diesel with 57,500 miles NOT covered under dealer…”NHTSA complaint 11441227 — filed 11/21/2021
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Engine complaints by year filed
Frequently asked questions
Does the 2015 Ford F-350 SD have engine problems?
Engine is the #3 most-reported problem area on the 2015 Ford F-350 SD: 38 of 208 complaints on file (18.3%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2015 Ford F-350 SD have in total?
208 complaints were on file with NHTSA as of 11/01/2026. Across all categories, 3 involved a crash, 7 involved a fire, 1 reported injuries, and none reported deaths.
What does NHTSA's engine category include?
NHTSA assigns each complaint to standard component categories; this page reports the ENGINE category exactly as NHTSA defines and records it.
