| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 1554 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 1247 |
| Windscreen wiper does not clear the windscreen effectively | 872 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 520 |
| Registration plate lamp issues | 448 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 253 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 247 |
| Nearside Front Shock absorbers has a serious fluid leak | 244 |
| Windscreen washer not working | 239 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 234 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 234 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 197 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 181 |
| Registration plate issues | 145 |
| Offside Front Shock absorbers has a serious fluid leak | 137 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 88 |
| Nearside Rear Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 67 |
| Brakes imbalanced across an axle | 66 |
| Rear brake disc in such a condition that it is seriously weakened | 64 |
| Offside Rear Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 62 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 55 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 50 |
| Nearside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 50 |
| Front brake disc in such a condition that it is seriously weakened | 48 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 46 |
| Horn not working (7.7 (a)) | 40 |
| Windscreen damaged and affecting the drivers view of the road (3.2 (a) (ii)) | 39 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 39 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 37 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 35 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 34 |
| Offside Rear Service brake excessively fluctuating (1.2.1 (e)) | 32 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 31 |
| Nearside Rear Service brake excessively fluctuating (1.2.1 (e)) | 29 |
| Offside Obligatory mirror seriously damaged, affecting the rear view (3.3 (b) (ii)) | 25 |
| Nearside Rear Anti-roll bar pin or bush excessively worn D bush (5.3.4 (a) (i)) | 25 |
| Offside Rear Anti-roll bar pin or bush excessively worn D bush (5.3.4 (a) (i)) | 25 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 25 |
| Horn not working (7.7 (a) (ii)) | 25 |
| Anti-lock braking system warning lamp indicates an ABS fault | 24 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 24 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 24 |
| Windscreen washer jets misaligned and not providing sufficient fluid to the windscreen (3.5 (a)) | 23 |
| Rear Service brake excessively fluctuating (1.2.1 (e)) | 22 |