| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 588 |
| Headlamp aim out of alignment | 362 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 144 |
| Registration plate lamp issues | 110 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 63 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 53 |
| Rear brake disc in such a condition that it is seriously weakened | 50 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 49 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 35 |
| Registration plate issues | 34 |
| Windscreen washer not working | 33 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 33 |
| Brakes imbalanced across an axle | 29 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 29 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 28 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 23 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 22 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 21 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 21 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 20 |
| Parking brake lever has excessive movement indicating incorrect adjustment |1.1.6 |c|| | 19 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 19 |
| Nearside Rear Service brake excessively fluctuating (1.2.1 (e)) | 18 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 17 |
| Nearside Side repeater with a multiple light source more than 1/2 not functioning (4.4.1 (a) (ii)) | 16 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 15 |
| Brake lever has insufficient reserve travel |1.1.2 |a|| | 14 |
| Nearside Side repeater not working |4.4.1 |a| |ii|| | 14 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 14 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 14 |
| Offside Rear Service brake excessively fluctuating (1.2.1 (e)) | 14 |
| Nearside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 13 |
| Parking brake lever has no reserve travel |3.1.6b| | 12 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 12 |
| Rear fog lamp tell-tale not working (4.9.1 (a) (ii)) | 11 |
| Rear fog lamp switch inoperative (4.5.3 (a)) | 11 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 10 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 10 |
| Nearside Headlamp not working on main beam (4.1.1 (a) (ii)) | 9 |
| Front brake disc in such a condition that it is seriously weakened | 8 |
| Nearside Side repeater with a multiple light source more than 1/2 not functioning |4.4.1 |a| |ii|| | 8 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 8 |
| Offside Rear Shock absorbers has a serious fluid leak | 7 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 7 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 7 |
| Offside Headlamp not working on main beam (4.1.1 (a) (ii)) | 7 |
| Nearside Rear Shock absorbers has a serious fluid leak | 6 |
| Parking brake: efficiency below requirements |3.7.B.7| | 6 |
| Nearside Rear Service brake excessively binding |1.2.1 |f|| | 6 |
| Service brake efficiency below requirements |1.2.2 |a| |i|| | 6 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 6 |
| Offside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 6 |