| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 3595 |
| Windscreen wiper does not clear the windscreen effectively | 2675 |
| Registration plate lamp issues | 2579 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 1136 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 1043 |
| Brake pipe excessively corroded | 889 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 835 |
| Parking brake: efficiency below requirements |3.7.B.7| | 777 |
| Registration plate issues | 741 |
| Nearside Stop lamp not working |1.2.1b| | 730 |
| Parking brake lever has no reserve travel |3.1.6b| | 708 |
| Offside Stop lamp not working |1.2.1b| | 682 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 601 |
| Brakes imbalanced across an axle | 596 |
| Centre Stop lamp not working |1.2.1b| | 490 |
| Rear parking brake recording little or no effort | 484 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 465 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 384 |
| Offside Rear Stop lamp not working |1.2.1b| | 350 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 332 |
| Nearside Rear Stop lamp not working |1.2.1b| | 318 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 280 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 276 |
| Rear brake binding | 270 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 263 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 239 |
| Front brake disc in such a condition that it is seriously weakened | 239 |
| Offside Rear fog lamp not working |1.3.2b| | 228 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 179 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 175 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 168 |
| Windscreen has damage | 165 |
| Nearside Headlamp excessively damaged so that the light output is severely reduced |1.7.5a| | 163 |
| Battery insecure |1.9.1| | 154 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 145 |
| Offside Headlamp excessively damaged so that the light output is severely reduced |1.7.5a| | 142 |
| Service brake: efficiency below requirements |3.7.B.7| | 138 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 136 |
| Anti-lock braking system warning lamp indicates an ABS fault | 135 |
| Offside Front coil spring broken |2.4.C.1a| | 129 |
| Rear fog lamp not working |1.3.2b| | 126 |
| Stop lamp not working |1.2.1b| | 125 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 124 |
| Centre Rear Stop lamp not working |1.2.1b| | 113 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 109 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 108 |
| Windscreen wiper blade insecure | 105 |
| Front brake application uneven | 104 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 103 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 103 |
| Nearside Rear Rear position lamp|s| not working |1.1.A.3b| | 97 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 96 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 95 |
| Nearside Front Headlamp excessively damaged so that the light output is severely reduced |1.7.5a| | 92 |
| Front position lamp|s| not working |1.1.A.3b| | 92 |
| Nearside Front coil spring broken |2.4.C.1a| | 89 |
| Rear brake disc in such a condition that it is seriously weakened | 89 |
| Brake hose excessively deteriorated | 88 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 83 |
| Offside Rear Rear position lamp|s| not working |1.1.A.3b| | 83 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 82 |
| Nearside Rear Brake pipe leaking |3.6.A.1| | 80 |
| Offside Front Headlamp excessively damaged so that the light output is severely reduced |1.7.5a| | 79 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 79 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 76 |
| Horn not working |1.6.2a| | 75 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 75 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 74 |
| Offside Headlamp not working on main beam |1.7.5a| | 73 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 72 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 70 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 68 |
| Offside Rear Brake pipe leaking |3.6.A.1| | 64 |
| Nearside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 62 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 62 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 62 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 62 |
| Front brake excessively fluctuating | 61 |
| Nearside Headlamp not working on main beam |1.7.5a| | 60 |
| Emissions not tested |7.0| | 60 |
| Steering rack insecure |2.2.B.1a| | 59 |
| Rear brake application uneven | 59 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 56 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 56 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 55 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 54 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 54 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 53 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 52 |