| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 141 |
| Headlamp aim out of alignment | 70 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 31 |
| Windscreen washer not working | 15 |
| Brakes imbalanced across an axle | 13 |
| Registration plate issues | 10 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 10 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 10 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 10 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 8 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 8 |
| Brake pipe excessively corroded | 8 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 7 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 7 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 6 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 6 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 5 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 5 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 5 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 4 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 4 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 3 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 3 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 3 |
| Rear brake disc in such a condition that it is seriously weakened | 3 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 3 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 3 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 3 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 3 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 3 |
| Anti-lock braking system warning lamp indicates an ABS fault | 3 |
| Rear fog lamp switch missing (4.5.3 (a)) | 3 |
| Registration plate lamp issues | 3 |
| Brake hose excessively deteriorated | 3 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 3 |
| Offside Front Road wheel fixing missing (5.2.1 (a) (i)) | 2 |
| Nearside Front Lower Suspension arm pin or bush excessively worn rear bush (5.3.4 (a) (i)) | 2 |
| Offside Front Lower Suspension arm pin or bush excessively worn rear bush (5.3.4 (a) (i)) | 2 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 2 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 2 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 2 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Horn not working (7.7 (a)) | 2 |
| Nearside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 2 |
| Offside Rear Brake lever has restricted free movement (1.1.15 (e)) | 2 |
| Reversing lamp does not emit a steady white light (4.6.2 (a)) | 2 |
| Offside Front Suspension arm pin or bush excessively worn rear bush (5.3.4 (a) (i)) | 2 |
| Offside Windscreen washer jets misaligned and not providing sufficient fluid to the windscreen (3.5 (a)) | 2 |
| Brake performance not tested (1.2.1 (g)) | 2 |
| Offside Front Windscreen damaged and affecting the drivers view of the road Crack over 10mm (3.2 (a) (ii)) | 2 |
| Offside Rear Hydraulic brake calliper leaking (1.1.16 (b) (i)) | 2 |
| Offside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 2 |
| Rear fog lamp missing (4.5.1 (a) (ii)) | 2 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 2 |
| Steering column universal joint insecure (2.1.3 (a) (i)) | 2 |
| Nearside Side repeater light intensity significantly reduced (4.4.3 (a)) | 2 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 2 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 2 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 2 |