| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 1481 |
| Windscreen wiper does not clear the windscreen effectively | 1119 |
| Headlamp aim out of alignment | 1081 |
| Brake pipe excessively corroded | 750 |
| Offside Stop lamp not working |1.2.1b| | 401 |
| Nearside Stop lamp not working |1.2.1b| | 377 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 316 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 290 |
| Registration plate issues | 265 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 201 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 194 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 182 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 181 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 166 |
| Nearside Rear Stop lamp not working |1.2.1b| | 162 |
| Offside Rear Stop lamp not working |1.2.1b| | 156 |
| Centre Stop lamp not working |1.2.1b| | 152 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 150 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 146 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 134 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 124 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 123 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 116 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 92 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 88 |
| Anti-lock braking system warning lamp indicates an ABS fault | 84 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 82 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 76 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 74 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 72 |
| Offside Rear fog lamp not working |1.3.2b| | 68 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 65 |
| Battery insecure |1.9.1| | 61 |
| Rear brake disc in such a condition that it is seriously weakened | 59 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 58 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 58 |
| Rear brake binding | 58 |
| Stop lamp not working |1.2.1b| | 56 |
| Bonnet retaining device ineffective |8.4.2| | 55 |
| Front brake disc in such a condition that it is seriously weakened | 53 |
| Windscreen has damage | 53 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 51 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 51 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 51 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 50 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 48 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 47 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 46 |
| Power steering pipe|s| or hose|s| leaking |2.3.3b| | 44 |
| Brake hose excessively deteriorated | 42 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 41 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 38 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 38 |
| Centre Rear Stop lamp not working |1.2.1b| | 38 |
| Windscreen wiper blade insecure | 37 |
| 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| | 36 |
| Parking brake: efficiency below requirements |3.7.B.7| | 35 |
| 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| | 35 |
| Offside Rear coil spring broken |2.4.C.1a| | 34 |
| Nearside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 34 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 33 |
| Brakes imbalanced across an axle | 33 |
| Service brake: efficiency below requirements |3.7.C.1a| | 32 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 32 |
| 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| | 31 |
| Power steering component|s| leaking |2.3.3b| | 31 |
| 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| | 29 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 29 |
| Nearside Front Lower Ball joint has excessive play |2.2.B.1f| | 29 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 29 |
| Parking brake lever has no reserve travel |3.1.6b| | 28 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 27 |
| Offside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 27 |
| Front position lamp|s| not working |1.1.A.3b| | 25 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 25 |
| Rear parking brake recording little or no effort | 25 |
| Nearside Rear coil spring broken |2.4.C.1a| | 24 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 23 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 23 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 23 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 23 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 23 |
| Offside Front Seat belt damaged sufficient to significantly weakened the webbing |5.2.2a| | 23 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 23 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 23 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 22 |
| Offside Front Lower Ball joint has excessive play |2.2.B.1f| | 22 |
| Brake performance not tested |3.7.A.1| | 22 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 21 |
| Offside Front Outer Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 21 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 21 |
| Rear Stop lamp not working |1.2.1b| | 21 |
| Nearside Front Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 20 |
| 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| | 20 |
| Nearside Front Lower Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 20 |
| Nearside Front Lower Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 20 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 20 |