Vehicles Vehicle complaints and recalls by component A component group is the first level of the component name that NHTSA gives.
A complaint can name more than one component. Each component that a complaint names is one component mention. The figure per 1,000 component mentions shows how many of each 1,000 mentions name the component.
NHTSA component groups, in the order of the number of component mentions Component group Component mentions Per 1,000 component mentions Recall campaigns Electrical System 251,861 111.2 2,942 Power Train 220,917 97.6 1,486 Engine 172,374 76.1 140 Air Bags 157,169 69.4 1,146 Steering 145,305 64.2 2,057 Engine and Engine Cooling 121,562 53.7 1,255 Unknown or Other 119,797 52.9 192 Service Brakes, Hydraulic 107,392 47.4 1,883 Structure 105,013 46.4 1,688 Suspension 90,475 40 1,825 Vehicle Speed Control 85,725 37.9 631 Tires 81,559 36 1,275 Service Brakes 79,830 35.3 115 Fuel/Propulsion System 63,442 28 2 Exterior Lighting 63,348 28 1,379 Fuel System, Gasoline 56,380 24.9 1,503 Visibility 53,401 23.6 936 Seat Belts 39,502 17.4 1,104 Equipment 33,167 14.6 4,452 Forward Collision Avoidance 29,476 13 77 Seats 29,062 12.8 847 Wheels 24,793 10.9 774 Visibility/Wiper 24,427 10.8 21 Electronic Stability Control (ESC) 21,292 9.4 121 Latches/Locks/Linkages 20,794 9.2 451 Child Seat 16,819 7.4 291 Back Over Prevention 8,761 3.9 276 Lane Departure 8,313 3.7 15 Fuel System, Other 5,935 2.6 275 Parking Brake 4,945 2.2 370 Service Brakes, Air 4,567 2 1,151 Fuel System, Diesel 3,216 1.4 250 Interior Lighting 2,707 1.2 52 Service Brakes, Electric 2,647 1.2 54 Traction Control System 2,346 1 8 Equipment Adaptive/Mobility 1,727 0.8 536 Trailer Hitches 1,035 0.5 419 Chest Clip, Buckle, Harness 689 0.3 0 Hybrid Propulsion System 580 0.3 61 Other/I Am Not Sure 467 0.2 0 Carry Handle, Shell, Base 396 0.2 0 Electronic Stability Control 335 0.1 8 Insert, Padding 182 0.1 0 Firerelated 181 0.1 0 Tether, Lower Anchor (On Car Seat or Vehicle) 159 0.1 0 Communication 113 0 10