| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 1569 |
| Registration plate lamp issues | 1528 |
| Windscreen wiper does not clear the windscreen effectively | 1493 |
| Brake pipe excessively corroded | 1314 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 878 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 727 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 583 |
| Brakes imbalanced across an axle | 541 |
| Offside Stop lamp not working |1.2.1b| | 531 |
| Nearside Stop lamp not working |1.2.1b| | 491 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 394 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 354 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 345 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 307 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 268 |
| Parking brake: efficiency below requirements |3.7.B.7| | 260 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 256 |
| Battery insecure |1.9.1| | 222 |
| Registration plate issues | 211 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 206 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 191 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 188 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 185 |
| Offside Rear fog lamp not working |1.3.2b| | 181 |
| Offside Rear Stop lamp not working |1.2.1b| | 179 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 177 |
| Service brake: efficiency below requirements |3.7.B.7| | 177 |
| Nearside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 171 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 166 |
| Nearside Rear Stop lamp not working |1.2.1b| | 159 |
| Offside Headlamp not working on main beam |1.7.5a| | 155 |
| Emissions not tested |7.0| | 153 |
| Parking brake lever has no reserve travel |3.1.6b| | 142 |
| Offside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 129 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 126 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 124 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 122 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 121 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 120 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 119 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 117 |
| Rear parking brake recording little or no effort | 112 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 112 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 104 |
| Windscreen has damage | 102 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 101 |
| Front brake application uneven | 100 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 93 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 93 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 92 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 85 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 85 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 84 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 81 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 79 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 78 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 77 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 73 |
| Offside Front Direction indicator not working |1.4.A.2c| | 72 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 70 |
| Nearside Front Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 69 |
| Windscreen wiper blade insecure | 69 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 67 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 66 |
| Offside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 64 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 62 |
| Nearside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 61 |
| Offside Front Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 61 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 60 |
| Centre Rear Seat belt retracting mechanism defective |5.2.5b| | 59 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 58 |
| Rear brake binding | 58 |
| Nearside Headlamp not working on main beam |1.7.5a| | 56 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 53 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 53 |
| Rear brake application uneven | 52 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 52 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 51 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 51 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 51 |
| Offside front brake binding |3.7.B.1| | 51 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 50 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 49 |
| Nearside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 47 |
| Fuel system component leaking |7.2.3| | 46 |
| Nearside Front Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 45 |
| Fuel tank leaking |7.2.3| | 44 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 43 |
| Brake hose excessively deteriorated | 43 |
| Offside Rear Exhaust has a major leak of exhaust gases |7.1.2| | 42 |
| Offside Headlamp insecure |1.7.3| | 42 |
| Nearside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 42 |
| Centre Exhaust has part of the system excessively deteriorated |7.1.1a| | 42 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 42 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 42 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 41 |
| Horn not working |1.6.2a| | 41 |
| Nearside Headlamp insecure |1.7.3| | 40 |
| Offside Front Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 39 |
| Nearside Outer Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 38 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 36 |
| Offside Outer Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 36 |
| Offside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 36 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 35 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 34 |
| Offside Outer Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 34 |
| Nearside Outer Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 34 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 34 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 33 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 33 |
| Nearside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 32 |
| Stop lamp not working |1.2.1b| | 32 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 31 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 31 |
| Nearside front brake binding |3.7.B.1| | 31 |
| Front brake disc in such a condition that it is seriously weakened | 31 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 30 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 30 |
| Nearside Front Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 30 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 30 |
| Rear fog lamp not working |1.3.2b| | 30 |