| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 17993 |
| Headlamp aim out of alignment | 14597 |
| Registration plate lamp issues | 10598 |
| Offside Stop lamp not working |1.2.1b| | 5744 |
| Brake pipe excessively corroded | 5697 |
| Nearside Stop lamp not working |1.2.1b| | 5342 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 5190 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 4688 |
| Brakes imbalanced across an axle | 3564 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 2819 |
| Offside Rear Stop lamp not working |1.2.1b| | 2295 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 2186 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 2086 |
| Nearside Rear Stop lamp not working |1.2.1b| | 2073 |
| Battery insecure |1.9.1| | 1917 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 1912 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 1855 |
| Parking brake lever has no reserve travel |3.1.6b| | 1799 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 1728 |
| Emissions not tested |7.0| | 1711 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 1692 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 1666 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 1623 |
| Offside Rear fog lamp not working |1.3.2b| | 1544 |
| Registration plate issues | 1496 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 1456 |
| Service brake: efficiency below requirements |3.7.B.7| | 1332 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 1287 |
| 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| | 1215 |
| Nearside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 1196 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 1166 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 1141 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 1137 |
| Parking brake: efficiency below requirements |3.7.B.7| | 1118 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1054 |
| 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| | 1051 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 1051 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 1044 |
| Offside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 981 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 955 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 872 |
| Front brake application uneven | 857 |
| Offside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 810 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 801 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 778 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 764 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 762 |
| Windscreen wiper blade insecure | 754 |
| 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| | 722 |
| 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| | 720 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 710 |
| Brake hose excessively deteriorated | 668 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 662 |
| 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| | 657 |
| Horn not working |1.6.2a| | 647 |
| Rear parking brake recording little or no effort | 644 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 638 |
| 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| | 628 |
| Windscreen has damage | 621 |
| Offside front brake binding |3.7.B.1| | 598 |
| Centre Rear Seat belt retracting mechanism defective |5.2.5b| | 579 |
| Rear brake binding | 579 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 573 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 562 |
| Front Exhaust system not adequately supported |7.1.1| | 530 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 518 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 515 |
| 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| | 508 |
| Offside Front Direction indicator not working |1.4.A.2c| | 500 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 489 |
| Offside Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 480 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 479 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 475 |
| Offside Headlamp not working on main beam |1.7.5a| | 473 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 470 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 468 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 468 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 466 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 441 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 430 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 424 |
| 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| | 423 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 406 |
| Offside Headlamp insecure |1.7.3| | 399 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 395 |
| Nearside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 391 |
| Front brake disc in such a condition that it is seriously weakened | 388 |
| Nearside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 377 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 373 |
| Rear fog lamp not working |1.3.2b| | 369 |
| Nearside Headlamp insecure |1.7.3| | 353 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 352 |
| Nearside front brake binding |3.7.B.1| | 339 |
| Exhaust system not adequately supported |7.1.1| | 336 |
| Offside Front Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 328 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 325 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 318 |
| Nearside Headlamp not working on main beam |1.7.5a| | 314 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 310 |
| Rear fog lamp tell tale not working |1.3.1b| | 299 |
| Stop lamp not working |1.2.1b| | 297 |
| Nearside Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 286 |
| Nearside Rear Rear position lamp|s| not working |1.1.A.3b| | 285 |
| Offside Front front brake binding |3.7.B.1| | 284 |