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Problems by Component

NHTSA complaint components ranked by volume

Based on 2.1M+ NHTSA owner complaints filed with the federal government. Click any component to see the worst-affected vehicles.

1
Electrical System182,495
2
Engine158,907
3
Power Train129,051
4
Air Bags126,939
5
Steering114,288
6
Unknown Or Other109,199
7
Service Brakes75,595
8
Vehicle Speed Control71,804
9
Fuel/propulsion System58,980
10
Power Train — Automatic Transmission48,233
11
Structure — Body48,126
12
Suspension47,473
13
Exterior Lighting41,675
14
Engine And Engine Cooling39,754
15
Service Brakes, Hydraulic — Antilock/traction Control/electronic Limited Slip33,129
16
Engine And Engine Cooling — Engine30,746
17
Fuel System, Gasoline29,270
18
Service Brakes, Hydraulic27,900
19
Tires24,980
20
Visibility/wiper23,134

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Check Your CarBased on 2.1M+ owner complaints
21
Electronic Stability Control (esc)21,229
22
Seats20,696
23
Seat Belts20,484
24
Air Bags — Frontal20,191
25
Structure19,732
26
Wheels18,981
27
Engine And Engine Cooling — Engine — Gasoline18,407
28
Forward Collision Avoidance — Automatic Emergency Braking10,896
29
Structure — Body — Door10,877
30
Suspension — Front10,841
31
Service Brakes, Hydraulic — Foundation Components — Disc — Rotor10,278
32
Electrical System — Ignition9,907
33
Tires — Tread/belt9,421
34
Visibility9,018
35
Latches/locks/linkages8,834
36
Visibility — Power Window Devices And Controls8,442
37
Structure — Frame And Members8,291
38
Service Brakes, Hydraulic — Foundation Components7,854
39
Exterior Lighting — Headlights7,838
40
Latches/locks/linkages — Doors — Latch7,416
41
Engine And Engine Cooling — Cooling System7,245
42
Equipment — Appliance — Air Conditioner6,883
43
Equipment6,843
44
Forward Collision Avoidance — Adaptive Cruise Control6,704
45
Electrical System — Ignition — Switch6,615
46
Visibility — Windshield Wiper/washer6,404
47
Electrical System — Instrument Cluster/panel6,397
48
Power Train — Manual Transmission6,254
49
Forward Collision Avoidance — Warnings6,180
50
Fuel System, Gasoline — Storage — Tank Assembly6,126
51
Suspension — Rear6,077
52
Fuel System, Gasoline — Delivery — Fuel Pump5,679
53
Vehicle Speed Control — Accelerator Pedal5,644
54
Visibility — Windshield5,573
55
Service Brakes, Hydraulic — Foundation Components — Disc5,045
56
Seat Belts — Front — Buckle Assembly4,912
57
Suspension — Front — Control Arm — Lower Ball Joint4,796
58
Engine And Engine Cooling — Exhaust System4,553
59
Electrical System — Wiring4,457
60
Visibility — Windshield Wiper/washer — Motor4,299
61
Seat Belts — Front — Retractor4,262
62
Engine And Engine Cooling — Exhaust System — Manifold/header/muffler/tail Pipe4,216
63
Electrical System — 12v/24v/48v Battery4,039
64
Service Brakes, Hydraulic — Foundation Components — Disc — Pads3,987
65
Steering — Steering Wheel/handle Bar3,970
66
Suspension — Front — Control Arm — Upper Ball Joint3,930
67
Electrical System — Wiring — Interior/under Dash3,928
68
Electrical System — Wiring — Front Underhood3,858
69
Steering — Hydraulic Power Assist System3,853
70
Seat Belts — Front — Anchorage3,780
71
Visibility — Defroster/defogger/hvac System3,769
72
Vehicle Speed Control — Cruise Control3,735
73
Steering — Rack And Pinion3,526
74
Electrical System — Alternator/generator/regulator3,513
75
Seats — Front Assembly — Recliner3,492
76
Visibility — Sun/moon Roof Assembly3,477
77
Electrical System — Horn3,422
78
Fuel System, Gasoline — Fuel Injection System3,359
79
Parking Brake2,957
80
Steering — Linkages — Tie Rod Assembly2,948
81
Fuel System, Other2,923
82
Structure — Frame And Members — Underbody Shields2,833
83
Fuel System, Diesel2,813
84
Tires — Sidewall2,805
85
Air Bags — Frontal — Sensor/control Module2,796
86
Visibility — Glass, Side/rear2,784
87
Suspension — Front — Springs — Coil Springs2,693
88
Engine And Engine Cooling — Engine — Gasoline — Belts And Associated Pulleys2,680
89
Interior Lighting2,673
90
Power Train — Axle Assembly2,668
91
Service Brakes, Electric2,616
92
Power Train — Clutch Assembly2,574
93
Service Brakes, Hydraulic — Foundation Components — Master Cylinder2,569
94
Air Bags — Side/window2,552
95
Power Train — Driveline — Differential Unit2,503
96
Service Brakes, Hydraulic — Foundation Components — Disc — Caliper2,457
97
Service Brakes, Hydraulic — Foundation Components — Hoses, Lines/piping, And Fittings2,432
98
Power Train — Automatic Transmission — Park/neutral Start Interlock Switch2,430
99
Fuel System, Gasoline — Delivery — Hoses, Lines/piping, And Fittings2,425
100
Electrical System — Ignition — Module2,410
100 component categories tracked