Across 523 owner complaints to NHTSA, the engine is by far the most-reported area at 210 reports (40%) — more than the next two categories combined. Power train (96 reports, 18%) and structure (91 reports, 17%) follow, then the electrical system (78 reports, 15%) and service brakes (29 reports, 6%). Most complaints did not involve a crash, fire, or injury. The few that did are spread across categories: 3 fires each in the engine and electrical system reports, 3 crashes in the power train reports, and one injury each in power train, structure, and electrical.

Most reported areas

Engine safety 40%
Most-reported area by far: 210 complaints (40%), including 3 fires and 1 crash, with no injuries reported. Owners describe a loud knocking noise from the engine, in some cases on a nearly new truck.
Power Train safety 18%
96 complaints (18%), including 3 crashes, 1 fire, and 1 injury — the most crashes of any category here. Owners describe a loud clunk from the transmission while driving at highway speed.
Structure safety 17%
91 complaints (17%), including 1 crash and 1 injury, with no fires reported. One owner describes a piece detaching from the front grille while driving.
Electrical System safety 15%
78 complaints (15%), including 3 fires, 1 crash, and 1 injury. Owners describe a cluster of warning lights and messages appearing at once, such as Service ESC and Service Trailer Brake System.
Service Brakes0 6%
29 complaints (6%), with no crashes, fires, or injuries reported. Owners describe brake-related warnings such as Service Trailer Brake System and Service Brake Assist appearing among a set of dashboard alerts.

Source: NHTSA owner complaints · 523 complaints

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General information compiled from public NHTSA complaint data, for reference only — not professional advice and not reviewed by automotive experts. Verify before acting; Team AM is not responsible for decisions made from it.