| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 1769 |
| Headlamp aim out of alignment | 702 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 316 |
| Registration plate lamp issues | 270 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 218 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 203 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 202 |
| Rear brake disc in such a condition that it is seriously weakened | 185 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 170 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 158 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 157 |
| Offside Headlamp not working on main beam (4.1.1 (a) (ii)) | 118 |
| Central Stop lamp(s) not working (4.3.1 (a) (ii)) | 118 |
| Windscreen washer not working | 116 |
| Nearside Headlamp not working on main beam (4.1.1 (a) (ii)) | 105 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 102 |
| Registration plate issues | 87 |
| Brakes imbalanced across an axle | 82 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 71 |
| Nearside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 69 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 65 |
| Offside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 61 |
| Nearside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 61 |
| Brake pipe excessively corroded | 60 |
| Nearside Rear Service brake excessively fluctuating (1.2.1 (e)) | 56 |
| Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 52 |
| Offside Rear Service brake excessively fluctuating (1.2.1 (e)) | 52 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 49 |
| Offside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 48 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 45 |
| Central Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 43 |
| Reversing lamp inoperative (4.6.1 (a)) | 42 |
| Offside Side repeater not working |1.4.A.2c| | 41 |
| Nearside Rear Shock absorbers has a serious fluid leak | 41 |
| Nearside Side repeater not working |1.4.A.2c| | 41 |
| Central Stop lamp|s| not working |4.3.1 |a| |ii|| | 40 |
| Offside Headlamp not working on main beam |4.1.1 |a| |ii|| | 38 |
| Offside Front Side repeater not working (4.4.1 (a) (ii)) | 37 |
| Nearside Side repeater not working |4.4.1 |a| |ii|| | 35 |
| Nearside Front Side repeater not working (4.4.1 (a) (ii)) | 35 |
| Nearside Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 33 |
| Offside Side repeater not working |4.4.1 |a| |ii|| | 33 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 33 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 31 |
| Nearside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 31 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 31 |
| Nearside Headlamp not working on main beam |1.7.5a| | 30 |
| Offside Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 30 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 28 |
| Offside Rear Shock absorbers has a serious fluid leak | 27 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 27 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 25 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 25 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 24 |
| Nearside Headlamp not working on main beam |4.1.1 |a| |ii|| | 24 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 24 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 24 |
| Offside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 24 |
| Rear Service brake excessively fluctuating (1.2.1 (e)) | 23 |
| Nearside Headlamp aim not tested (4.1.2 (b)) | 23 |
| Offside Headlamp not working on main beam |1.7.5a| | 22 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 22 |
| Offside Headlamp aim not tested (4.1.2 (b)) | 22 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 21 |