| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 2839 |
| Windscreen wiper does not clear the windscreen effectively | 969 |
| Windscreen washer not working | 915 |
| Registration plate issues | 564 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 335 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 327 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 282 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 264 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 261 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 253 |
| Nearside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 214 |
| Nearside Front Road wheel fixing missing (5.2.1 (a) (i)) | 187 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 158 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 145 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 131 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 123 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 121 |
| Horn not working (7.7 (a)) | 116 |
| Brakes imbalanced across an axle | 111 |
| Registration plate lamp issues | 110 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 109 |
| Front brake disc in such a condition that it is seriously weakened | 108 |
| Horn not working (7.7 (a) (ii)) | 108 |
| Offside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 97 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 97 |
| Offside Front Road wheel fixing missing (5.2.1 (a) (i)) | 96 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 84 |
| Rear brake disc in such a condition that it is seriously weakened | 74 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 72 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 70 |
| Nearside Rear Shock absorbers has a serious fluid leak | 68 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 66 |
| Offside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 62 |
| Nearside Rear Road wheel fractured (5.2.2 (a)) | 56 |
| Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 52 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 51 |
| Offside Front Position lamp not working |4.2.1 |a|| | 50 |
| Nearside Side repeater not working |4.4.1 |a| |ii|| | 50 |
| Nearside Front Shock absorbers has a serious fluid leak | 49 |
| Offside Rear Shock absorbers has a serious fluid leak | 47 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 46 |
| Nearside Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 45 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 43 |
| Anti-lock braking system warning lamp indicates an ABS fault | 42 |
| Nearside Front Side repeater not working (4.4.1 (a) (ii)) | 42 |
| Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 41 |