| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 1194 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 1171 |
| Windscreen wiper does not clear the windscreen effectively | 828 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 395 |
| Registration plate lamp issues | 231 |
| Nearside Rear Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 216 |
| Windscreen washer not working | 216 |
| Offside Rear Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 210 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 170 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 164 |
| Registration plate issues | 148 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 99 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 78 |
| Nearside Front Shock absorbers has a serious fluid leak | 74 |
| Horn not working (7.7 (a)) | 71 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 66 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 61 |
| Offside Front Daytime running lamp not working (4.2.1 (a) (ii)) | 60 |
| Nearside Front Daytime running lamp not working (4.2.1 (a) (ii)) | 54 |
| Rear brake disc in such a condition that it is seriously weakened | 53 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 49 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 48 |
| Windscreen damaged and affecting the drivers view of the road (3.2 (a) (ii)) | 47 |
| Brakes imbalanced across an axle | 46 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 44 |
| Nearside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 44 |
| Nearside Rear Anti-roll bar pin or bush excessively worn D bush (5.3.4 (a) (i)) | 44 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 41 |
| Offside Rear Anti-roll bar pin or bush excessively worn D bush (5.3.4 (a) (i)) | 41 |
| Front brake disc in such a condition that it is seriously weakened | 40 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 34 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 32 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 32 |
| Rear Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 31 |
| Offside Obligatory mirror seriously damaged, affecting the rear view (3.3 (b) (ii)) | 29 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 29 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 29 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 29 |
| Windscreen washer jets misaligned and not providing sufficient fluid to the windscreen (3.5 (a)) | 28 |
| Nearside Rear Anti-roll bar pin or bush excessively worn d bush (5.3.4 (a) (i)) | 28 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 27 |
| Offside Rear Service brake excessively fluctuating (1.2.1 (e)) | 26 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 26 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 25 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 24 |
| Nearside Rear Service brake excessively fluctuating (1.2.1 (e)) | 23 |
| Anti-lock braking system warning lamp indicates an ABS fault | 22 |
| Nearside Daytime running lamp not working (4.2.1 (a) (ii)) | 22 |
| Offside Rear Anti-roll bar pin or bush excessively worn d bush (5.3.4 (a) (i)) | 22 |
| Nearside Front Road wheel fixing missing (5.2.1 (a) (i)) | 22 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 22 |
| Nearside Rear reflector defective or damaged by more than 50% of the reflecting surface (4.8.1 (a) (ii)) | 22 |
| Nearside Rear Shock absorbers has a serious fluid leak | 21 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 21 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 21 |
| Offside Front Shock absorbers has a serious fluid leak | 21 |