| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 131 |
| Windscreen wiper does not clear the windscreen effectively | 119 |
| Headlamp aim out of alignment | 71 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 56 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 43 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 41 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 38 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 37 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 36 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 25 |
| Central Stop lamp(s) not working (4.3.1 (a) (ii)) | 20 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 19 |
| Central Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 13 |
| Windscreen washer not working | 11 |
| Registration plate issues | 11 |
| Stop lamp(s) all not working (4.3.1 (a) (iii)) | 10 |
| Brake pipe excessively corroded | 7 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 6 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 6 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 6 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 6 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 5 |
| Nearside Rear Rear reflector missing (4.8.2 (a) (ii)) | 5 |
| Anti-lock braking system warning lamp indicates an ABS fault | 5 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 5 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 5 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 5 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 5 |
| Rear Stop lamp(s) all not working (4.3.1 (a) (iii)) | 4 |
| Brakes imbalanced across an axle | 4 |
| Rear brake disc in such a condition that it is seriously weakened | 4 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 3 |
| Nearside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 3 |
| Nearside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 3 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 3 |
| Nearside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 3 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 3 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 3 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 3 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 3 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 3 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 3 |
| Front brake disc in such a condition that it is seriously weakened | 3 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 3 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 3 |
| Windscreen damaged and affecting the drivers view of the road (3.2 (a) (ii)) | 2 |
| Offside Front Position lamp not working side light (4.2.1 (a) (ii)) | 2 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 2 |
| Central Rear Upper Stop lamp(s) not working (4.3.1 (a) (ii)) | 2 |
| Brake pedal anti-slip provision missing (1.1.2 (c)) | 2 |
| Nearside Front Headlamp insecure (4.1.1 (c)) | 2 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 2 |
| Nearside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Nearside Rear Position lamp adversely affected by the operation of another lamp (4.2.3 (c)) | 2 |
| Spare wheel carrier insecure (6.1.5 (a)) | 2 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Headlamp levelling device inoperative (4.1.5 (a)) | 2 |
| Offside Rear Service brake excessively fluctuating (1.2.1 (e)) | 2 |
| Rear Upper Stop lamp(s) not working (4.3.1 (a) (ii)) | 2 |
| Central Upper Stop lamp(s) not working (4.3.1 (a) (ii)) | 2 |
| Nearside Front Headlamp aim unable to be tested (4.1.2 (b)) | 2 |
| Nearside Front Service brake excessively fluctuating (1.2.1 (e)) | 2 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 2 |
| Nearside Front Shock absorbers has negligible damping effect (5.3.2 (d)) | 2 |
| Offside Front Shock absorbers has negligible damping effect (5.3.2 (d)) | 2 |
| Offside Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |