| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 2509 |
| Windscreen wiper does not clear the windscreen effectively | 1634 |
| Headlamp aim out of alignment | 1290 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 674 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 663 |
| Brake pipe excessively corroded | 648 |
| Brakes imbalanced across an axle | 595 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 562 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 533 |
| Registration plate issues | 515 |
| Offside Stop lamp not working |1.2.1b| | 441 |
| Nearside Stop lamp not working |1.2.1b| | 431 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 384 |
| Centre Stop lamp not working |1.2.1b| | 354 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 337 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 310 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 297 |
| Anti-lock braking system warning lamp indicates an ABS fault | 291 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 289 |
| Brake hose excessively deteriorated | 213 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 206 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 202 |
| Offside Rear Stop lamp not working |1.2.1b| | 197 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 196 |
| Nearside Rear Stop lamp not working |1.2.1b| | 194 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 191 |
| Front brake application uneven | 170 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 164 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 157 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 154 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 153 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 149 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 141 |
| Emissions not tested |7.0| | 133 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 118 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 112 |
| Nearside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 96 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 95 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 90 |
| Centre Rear Stop lamp not working |1.2.1b| | 89 |
| Parking brake: efficiency below requirements |3.7.B.7| | 88 |
| Windscreen wiper blade insecure | 88 |
| Offside Rear fog lamp not working |1.3.2b| | 87 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 87 |
| 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| | 79 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 79 |
| Offside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 78 |
| 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| | 74 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 66 |
| Stop lamp not working |1.2.1b| | 66 |
| Windscreen has damage | 64 |
| Front brake disc in such a condition that it is seriously weakened | 63 |
| Offside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 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| | 60 |
| Battery insecure |1.9.1| | 60 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 54 |
| Front position lamp|s| not working |1.1.A.3b| | 54 |
| Offside Front brake disc excessively pitted |3.5.1h| | 49 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 47 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 47 |
| 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| | 45 |
| Rear brake application uneven | 44 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 44 |
| Offside front brake binding |3.7.B.1| | 44 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 42 |
| 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| | 39 |
| 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| | 39 |
| Rear Stop lamp not working |1.2.1b| | 39 |
| 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| | 38 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 37 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 37 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 37 |
| Service brake: efficiency below requirements |3.7.B.7| | 34 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 34 |
| 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| | 34 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 34 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 34 |
| Nearside Headlamp insecure |1.7.3| | 34 |
| 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| | 33 |
| Brake pedal spongy |3.3.B.1b| | 33 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 32 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 32 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 32 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 31 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 31 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 31 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 31 |
| Rear parking brake recording little or no effort | 31 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 30 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 30 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 29 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 29 |
| Horn not working |1.6.2a| | 29 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 29 |
| Rear fog lamp not working |1.3.2b| | 28 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 28 |