| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 1711 |
| Windscreen wiper does not clear the windscreen effectively | 491 |
| Windscreen washer not working | 379 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 367 |
| Steering column has excessive movement up and down (2.2.2 (a)) | 324 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 290 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 278 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 240 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 227 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 225 |
| Registration plate lamp issues | 206 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 203 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 190 |
| Registration plate issues | 168 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 143 |
| Steering column top bearing excessively worn (2.2.2 (b)) | 127 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 102 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 99 |
| Steering wheel has excessive movement up and down (2.2.2 (a)) | 98 |
| Brakes imbalanced across an axle | 92 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 83 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 75 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 71 |
| Offside Front Road wheel fixing missing (5.2.1 (a) (i)) | 62 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 57 |
| Fuel cap/sealing device ineffective (6.1.3 (b) (i)) | 50 |
| Rear brake disc in such a condition that it is seriously weakened | 49 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 48 |
| Front brake disc in such a condition that it is seriously weakened | 48 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 48 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 44 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 44 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 44 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 42 |
| Offside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 41 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 41 |
| Nearside Headlamp not working on main beam (4.1.1 (a) (ii)) | 41 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 40 |
| Nearside Front Road wheel fixing missing (5.2.1 (a) (i)) | 39 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 39 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 38 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 35 |
| Horn not working (7.7 (a) (ii)) | 35 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 35 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 33 |
| Nearside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 32 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 32 |
| Offside Rear Position lamp with a multiple light source more than 1/2 not functioning (4.2.1 (a) (ii)) | 30 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 30 |
| Anti-lock braking system warning lamp indicates an ABS fault | 30 |
| Fuel cap/sealing device missing (6.1.3 (b) (i)) | 29 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 29 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 29 |
| Offside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 28 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 28 |
| Nearside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 27 |
| Nearside Rear Outer Position lamp not working (4.2.1 (a) (ii)) | 27 |