| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 7679 |
| Windscreen wiper does not clear the windscreen effectively | 6762 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 2869 |
| Registration plate lamp issues | 2764 |
| Parking brake: efficiency below requirements |3.7.B.7| | 2621 |
| Offside Stop lamp not working |1.2.1b| | 2034 |
| Brake pipe excessively corroded | 1859 |
| Nearside Stop lamp not working |1.2.1b| | 1852 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 1842 |
| Rear parking brake recording little or no effort | 1805 |
| Brakes imbalanced across an axle | 1731 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 1678 |
| Parking brake lever has no reserve travel |3.1.6b| | 1392 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 1335 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 1288 |
| Registration plate issues | 1210 |
| Battery insecure |1.9.1| | 1167 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 917 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 890 |
| Emissions not tested |7.0| | 868 |
| Offside Rear fog lamp not working |1.3.2b| | 865 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 840 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 838 |
| Offside Rear Stop lamp not working |1.2.1b| | 754 |
| Nearside Rear Stop lamp not working |1.2.1b| | 728 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 718 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 705 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 621 |
| Rear brake binding | 611 |
| Service brake: efficiency below requirements |3.7.B.7| | 603 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 592 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 577 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 564 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 540 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 523 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 486 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 468 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 462 |
| Front brake application uneven | 434 |
| Windscreen has damage | 421 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 415 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 408 |
| Horn not working |1.6.2a| | 401 |
| 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| | 392 |
| Nearside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 382 |
| Offside Headlamp not working on main beam |1.7.5a| | 379 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 370 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 362 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 344 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 343 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 340 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 333 |
| Offside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 333 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 331 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 312 |
| Windscreen wiper blade insecure | 308 |
| 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| | 303 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 302 |
| Front brake disc in such a condition that it is seriously weakened | 294 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 289 |
| Nearside Headlamp not working on main beam |1.7.5a| | 289 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 282 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 272 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 259 |
| Offside Headlamp insecure |1.7.3| | 259 |
| Nearside Headlamp insecure |1.7.3| | 251 |
| Offside front brake binding |3.7.B.1| | 250 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 248 |
| Front Exhaust system not adequately supported |7.1.1| | 244 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 243 |
| 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| | 243 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 237 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 237 |
| Rear fog lamp tell tale not working |1.3.1b| | 234 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 232 |
| Rear fog lamp not working |1.3.2b| | 231 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 224 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 220 |
| Windscreen has a sticker or other obstruction encroaching by more than 10mm within zone `A` |8.3.1b| | 219 |
| 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| | 216 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 212 |
| Nearside Front position lamp|s| incorrect colour |1.1.A.3e| | 211 |
| Offside Front position lamp|s| incorrect colour |1.1.A.3e| | 207 |
| 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| | 203 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 202 |
| Centre Rear Seat belt retracting mechanism defective |5.2.5b| | 200 |
| 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| | 200 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 198 |
| Exhaust system not adequately supported |7.1.1| | 195 |
| Offside Front Direction indicator not working |1.4.A.2c| | 193 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 193 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 191 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 187 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 187 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 186 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 179 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 178 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 178 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 177 |
| Anti-lock braking system warning lamp indicates an ABS fault | 176 |
| Nearside front brake binding |3.7.B.1| | 172 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 171 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 170 |
| Rear Exhaust system not adequately supported |7.1.1| | 170 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 167 |
| Brake hose excessively deteriorated | 163 |
| Nearside Front Wheel nut|s| missing |4.2.A.1e| | 158 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 157 |
| Nearside Side repeater not working |1.4.A.2c| | 153 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 145 |
| Brake pedal anti-slip provision incomplete |3.3.A.1b| | 143 |
| Offside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 140 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 139 |
| 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| | 137 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 136 |
| 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| | 134 |
| Rear brake application uneven | 127 |
| Offside Front front brake binding |3.7.B.1| | 123 |
| Offside Rear Wheel nut|s| missing |4.2.A.1e| | 123 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 120 |
| Nearside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 117 |
| Nearside Rear Wheel nut|s| missing |4.2.A.1e| | 116 |
| Exhaust noise is clearly in excess of that emitted by a similar vehicle fitted with a standard silencer in average condition |7.1.4| | 115 |
| Offside Front Headlamp insecure |1.7.3| | 111 |
| Driver`s seat insecure |6.2.A.1| | 111 |
| Nearside Rear Rear position lamp|s| not working |1.1.A.3b| | 109 |
| Rear brake disc in such a condition that it is seriously weakened | 109 |
| Offside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 108 |
| Centre Exhaust has part of the system excessively deteriorated |7.1.1a| | 108 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 108 |