| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 2594 |
| Headlamp aim out of alignment | 2283 |
| Registration plate lamp issues | 1604 |
| Windscreen wiper does not clear the windscreen effectively | 1385 |
| Brake hose excessively deteriorated | 1056 |
| Parking brake: efficiency below requirements |3.7.B.7| | 1050 |
| Brakes imbalanced across an axle | 1033 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 899 |
| Service brake: efficiency below requirements |3.7.B.7| | 833 |
| Rear brake binding | 801 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 779 |
| Rear parking brake recording little or no effort | 746 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 719 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 595 |
| Registration plate issues | 577 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 560 |
| Offside Rear fog lamp not working |1.3.2b| | 495 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 479 |
| Nearside Stop lamp not working |1.2.1b| | 431 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 417 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 405 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 397 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 389 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 387 |
| Offside Stop lamp not working |1.2.1b| | 359 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 358 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 341 |
| Parking brake lever has no reserve travel |3.1.6b| | 324 |
| Emissions not tested |7.0| | 321 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 312 |
| Horn not working |1.6.2a| | 308 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 257 |
| Front brake disc in such a condition that it is seriously weakened | 231 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 226 |
| Nearside Headlamp insecure |1.7.3| | 224 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 215 |
| Offside Headlamp insecure |1.7.3| | 213 |
| Nearside Rear Stop lamp not working |1.2.1b| | 210 |
| Rear brake application uneven | 202 |
| Exhaust emissions carbon monoxide content excessive |7.3.B.1a| | 189 |
| Front brake application uneven | 189 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 180 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 178 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 173 |
| Nearside Headlamp not working on main beam |1.7.5a| | 172 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 169 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 168 |
| Offside Rear Stop lamp not working |1.2.1b| | 166 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 165 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 163 |
| Offside Headlamp not working on main beam |1.7.5a| | 163 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 159 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 154 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 152 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 145 |
| Rear Mechanical brake component has restricted free movement | 144 |
| Nearside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 142 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 139 |
| Driver`s seat insecure |6.2.A.1| | 137 |
| Offside Front brake disc excessively pitted |3.5.1h| | 130 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 128 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 126 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 118 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 118 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 116 |
| Offside Front Headlamp insecure |1.7.3| | 112 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 112 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 110 |
| Rear fog lamp not working |1.3.2b| | 110 |
| Rear Rear fog lamp not working |1.3.2b| | 108 |
| Offside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 107 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 104 |
| Nearside Front Headlamp insecure |1.7.3| | 103 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 102 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 101 |
| Windscreen has damage | 98 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 98 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 88 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 88 |
| Windscreen washer not working | 85 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 85 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 85 |
| Offside Front Seat belt locking mechanism does not secure or release |5.2.5a| | 84 |
| Nearside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 80 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 78 |
| Nearside Rear Braking system leaking |3.6.A.1| | 78 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 77 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 76 |
| Offside Front Direction indicator incomplete |1.5.A1b| | 74 |
| Rear Exhaust system not adequately supported |7.1.1| | 74 |
| Offside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 73 |
| Nearside front brake binding |3.7.B.1| | 71 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 71 |
| Offside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 70 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 70 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 68 |
| Nearside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 67 |
| Nearside Front Seat belt locking mechanism does not secure or release |5.2.5a| | 66 |
| Offside Rear Braking system leaking |3.6.A.1| | 66 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 64 |
| Offside front brake binding |3.7.B.1| | 63 |
| Headlamp switch faulty |1.7.1| | 63 |
| Exhaust system not adequately supported |7.1.1| | 63 |
| Front Exhaust system not adequately supported |7.1.1| | 63 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 62 |
| Nearside Front front brake binding |3.7.B.1| | 62 |
| Offside Side repeater not working |1.4.A.2c| | 60 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 59 |
| Battery insecure |1.9.1| | 59 |
| Windscreen wiper blade insecure | 57 |
| Brake hose damaged | 57 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 56 |
| Nearside Side repeater not working |1.4.A.2c| | 56 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 56 |
| Nearside Rear Seat belt retracting mechanism defective |5.2.5b| | 55 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 54 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 53 |
| Nearside Front Direction indicator incomplete |1.5.A1b| | 53 |
| Offside Front Direction indicator not working |1.4.A.2c| | 50 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 49 |
| Offside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 48 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 48 |
| Centre Exhaust has part of the system excessively deteriorated |7.1.1a| | 46 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 46 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 45 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 45 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 45 |
| Offside Front front brake binding |3.7.B.1| | 44 |
| Offside Rear Sub-frame attachment rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 44 |
| Brake performance not tested |3.7.A.1| | 44 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 41 |
| Nearside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 41 |
| Nearside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 41 |
| Offside Rear Seat belt retracting mechanism defective |5.2.5b| | 41 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 41 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 40 |
| Nearside Headlamp excessively damaged so that the light output is severely reduced |1.7.5a| | 40 |
| Headlamp not working on main beam |1.7.5a| | 39 |
| rear brake recording little or no effort |3.7.B.5a| | 39 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 38 |
| Nearside Rear Exhaust has a major leak of exhaust gases |7.1.2| | 38 |
| Offside Rear Brake cable has wires broken and is significantly weakened |3.5.1b| | 38 |
| Stop lamp not working |1.2.1b| | 37 |
| Nearside Front Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 37 |
| Front passenger door cannot be opened from inside the vehicle |6.2.B.1b| | 37 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 37 |
| Exhaust tailpipe not capable of allowing the emission probe to be inserted |7.3.D.1| | 37 |