| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 538 |
| Windscreen wiper does not clear the windscreen effectively | 532 |
| Registration plate lamp issues | 520 |
| Brake pipe excessively corroded | 249 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 130 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 122 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 110 |
| Central Stop lamp(s) not working (4.3.1 (a) (ii)) | 98 |
| Windscreen washer not working | 96 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 77 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 76 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 75 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 74 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 71 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 71 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 68 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 67 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 58 |
| Offside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 58 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 57 |
| Front brake disc in such a condition that it is seriously weakened | 55 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 52 |
| Offside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 49 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 47 |
| Brakes imbalanced across an axle | 43 |
| Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 39 |
| Nearside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 39 |
| Central Stop lamp|s| not working |4.3.1 |a| |ii|| | 35 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 34 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 34 |
| Rear brake disc in such a condition that it is seriously weakened | 31 |
| Offside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 31 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 31 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 31 |
| Nearside Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 30 |
| Stop lamp(s) all not working (4.3.1 (a) (iii)) | 30 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 30 |
| Offside Rear Shock absorbers has a serious fluid leak | 29 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 28 |
| Registration plate issues | 26 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 26 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 26 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 26 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 25 |
| Central Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 24 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 24 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 23 |
| Central Upper Stop lamp(s) not working (4.3.1 (a) (ii)) | 22 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 22 |
| Nearside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 22 |
| Offside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 20 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 20 |
| Windscreen damaged and affecting the drivers view of the road (3.2 (a) (ii)) | 19 |
| Offside Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 19 |
| Nearside Rear Shock absorbers has a serious fluid leak | 18 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 18 |
| Offside Front Position lamp not working |4.2.1 |a|| | 16 |
| Anti-lock braking system warning lamp indicates an ABS fault | 16 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 16 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 16 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 16 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 15 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 15 |
| Rear fog lamp not working |4.5.1 |a| |ii|| | 14 |
| Nearside Rear Position lamp not working |4.2.1 |a|| | 14 |
| Offside Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 14 |
| Brake pedal anti-slip provision worn smooth |1.1.2 |c|| | 14 |
| Central Rear Upper Stop lamp(s) not working (4.3.1 (a) (ii)) | 14 |
| Nearside Headlamp insecure (4.1.1 (c)) | 14 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 13 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 12 |
| Nearside Rear Service brake excessively binding |1.2.1 |f|| | 12 |
| Nearside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 12 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 12 |
| Nearside Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 12 |
| Horn not working (7.7 (a) (ii)) | 12 |
| Brake performance not tested (1.2.1 (g)) | 11 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 11 |