| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 849 |
| Windscreen wiper does not clear the windscreen effectively | 715 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 373 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 340 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 317 |
| Brakes imbalanced across an axle | 202 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 200 |
| Registration plate lamp issues | 197 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 190 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 184 |
| Registration plate issues | 158 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 104 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 66 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 63 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 59 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 49 |
| Nearside Rear Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 46 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 45 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 40 |
| Offside Rear Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 40 |
| Offside Rear Rear fog lamp does not emit a steady red light (4.5.4 (a)) | 38 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 37 |
| Nearside Rear Service brake lagging in operation (1.2.1 (d)) | 37 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 34 |
| Front brake disc in such a condition that it is seriously weakened | 32 |
| Brake pipe excessively corroded | 32 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 31 |
| Reversing lamp inoperative (4.6.1 (a)) | 30 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 29 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 29 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 28 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 26 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 26 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 25 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 25 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 24 |
| Offside Rear fog lamp does not emit a steady red light (4.5.4 (a)) | 23 |
| Nearside Front Front fog lamp not working (4.5.1 (a) (ii)) | 23 |
| Rear fog lamp does not emit a steady red light (4.5.4 (a)) | 22 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 22 |
| Windscreen washer not working | 22 |
| Offside Rear Service brake excessively fluctuating (1.2.1 (e)) | 20 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 20 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 19 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 19 |
| Offside Front Front fog lamp not working (4.5.1 (a) (ii)) | 18 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 18 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 17 |
| Central Rear Seat belt buckle not functioning as intended (7.1.2 (d)) | 16 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 16 |
| Brake pedal anti-slip provision missing (1.1.2 (c)) | 15 |
| Windscreen damaged and affecting the drivers view of the road (3.2 (a) (ii)) | 14 |
| Offside Rear Service brake lagging in operation (1.2.1 (d)) | 14 |