| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 122319 |
| Headlamp aim out of alignment | 57581 |
| Windscreen wiper does not clear the windscreen effectively | 41173 |
| Registration plate lamp issues | 39185 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 24725 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 21793 |
| Parking brake: efficiency below requirements |3.7.B.7| | 20102 |
| Nearside Stop lamp not working |1.2.1b| | 16986 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 15325 |
| Offside Stop lamp not working |1.2.1b| | 15172 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 14711 |
| Rear parking brake recording little or no effort | 12495 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 12356 |
| Registration plate issues | 10519 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 9920 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 8667 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 8418 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 8301 |
| Nearside Rear Stop lamp not working |1.2.1b| | 6827 |
| Brakes imbalanced across an axle | 6744 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 6272 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 6092 |
| Offside Rear Stop lamp not working |1.2.1b| | 6088 |
| Rear Exhaust system not adequately supported |7.1.1| | 5824 |
| Brake load sensing valve linkage seized |3.6.E.3| | 5755 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 5315 |
| Front brake disc in such a condition that it is seriously weakened | 5291 |
| Offside Rear coil spring incomplete |2.4.C.1a| | 5121 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 5012 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 4508 |
| Emissions not tested |7.0| | 4370 |
| Brake hose excessively deteriorated | 4362 |
| Nearside Rear coil spring incomplete |2.4.C.1a| | 4343 |
| Offside Rear coil spring fractured |2.4.C.1a| | 4298 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 4264 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 3882 |
| Exhaust system not adequately supported |7.1.1| | 3858 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 3776 |
| Nearside Rear coil spring fractured |2.4.C.1a| | 3653 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 3592 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 3591 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 3577 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 3577 |
| Centre Exhaust system not adequately supported |7.1.1| | 3472 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 3387 |
| Battery insecure |1.9.1| | 3336 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 3279 |
| Service brake: efficiency below requirements |3.7.B.7| | 3156 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 3109 |
| Rear Brake load sensing valve linkage seized |3.6.E.3| | 3069 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 3060 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 2865 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 2687 |
| Nearside Headlamp insecure |1.7.3| | 2651 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 2587 |
| Rear brake binding | 2556 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 2543 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 2453 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 2451 |
| Brake load sensing valve seized |3.6.E.3| | 2405 |
| Offside Front coil spring incomplete |2.4.C.1a| | 2387 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 2384 |
| Offside Rear coil spring broken |2.4.C.1a| | 2377 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 2367 |
| Offside Headlamp insecure |1.7.3| | 2282 |
| Offside Front Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 2275 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 2219 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 2211 |
| Windscreen wiper blade insecure | 2165 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 2156 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 2062 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 2033 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 2021 |
| Offside Rear wheel bearing has excessive play |2.6.2| | 2018 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 1999 |
| Parking brake lever has no reserve travel |3.1.6b| | 1857 |
| Offside Rear fog lamp not working |1.3.2b| | 1855 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 1828 |
| Windscreen has damage | 1825 |
| Nearside Rear coil spring broken |2.4.C.1a| | 1784 |
| Rear brake application uneven | 1709 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 1609 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 1574 |
| Offside Rear Rear wheel bearing rough when rotated |2.6.1| | 1570 |
| Nearside Front coil spring incomplete |2.4.C.1a| | 1530 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 1487 |
| Nearside Front Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 1456 |
| Centre Rear Seat belt retracting mechanism defective |5.2.5b| | 1447 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 1440 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 1420 |
| Centre Exhaust has part of the system excessively deteriorated |7.1.1a| | 1393 |
| Offside Front coil spring broken |2.4.C.1a| | 1331 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 1331 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 1298 |
| Rear Exhaust mounting missing |7.1.1b| | 1293 |
| Offside Rear Rear wheel bearing has excessive play |2.6.2| | 1251 |
| Nearside Front Headlamp insecure |1.7.3| | 1216 |
| Horn not working |1.6.2a| | 1178 |
| Front brake application uneven | 1141 |
| Offside Front Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 1133 |
| Anti-lock braking system warning lamp indicates an ABS fault | 1131 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 1130 |
| Offside Front coil spring fractured |2.4.C.1a| | 1125 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 1084 |
| Offside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 1081 |
| Windscreen has a sticker or other obstruction encroaching by more than 10mm within zone `A` |8.3.1b| | 1071 |
| Offside Front Headlamp insecure |1.7.3| | 1025 |
| Nearside Rear Rear wheel bearing rough when rotated |2.6.1| | 1014 |
| Nearside Front coil spring broken |2.4.C.1a| | 1005 |
| Nearside Front Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 1000 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 984 |
| Centre Exhaust mounting missing |7.1.1b| | 953 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 940 |