| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 209 |
| Headlamp aim out of alignment | 58 |
| Horn not working (7.7 (a)) | 19 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 17 |
| Brake pipe excessively corroded | 15 |
| Windscreen washer not working | 14 |
| Offside Rear Shock absorbers has a serious fluid leak | 9 |
| Registration plate lamp issues | 9 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 6 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 6 |
| Nearside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 5 |
| Offside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 5 |
| Nearside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 5 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 5 |
| Horn sound not in accordance with requirements (7.7 (c)) | 4 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 4 |
| Nearside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 4 |
| Nearside Rear Shock absorbers has a serious fluid leak | 3 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 3 |
| Front brake disc in such a condition that it is seriously weakened | 3 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 3 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Brakes imbalanced across an axle | 3 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 3 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 3 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 3 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 3 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 3 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 3 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 3 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 2 |
| Nearside Front Headlamp insecure (4.1.1 (c)) | 2 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 2 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 2 |
| Offside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 2 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 2 |
| Front Service brake excessively fluctuating (1.2.1 (e)) | 2 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 2 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 2 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 2 |