| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 1087 |
| Headlamp aim out of alignment | 622 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 227 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 122 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 101 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 100 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 84 |
| Windscreen washer not working | 78 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 78 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 68 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 67 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 64 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 60 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 58 |
| Registration plate lamp issues | 57 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 48 |
| Brakes imbalanced across an axle | 47 |
| Rear brake disc in such a condition that it is seriously weakened | 46 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 46 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 45 |
| Registration plate issues | 43 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 43 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 43 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 35 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 34 |
| Parking brake lever has excessive movement indicating incorrect adjustment |1.1.6 |c|| | 33 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 33 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 31 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 30 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 30 |
| Nearside Rear Shock absorbers has a serious fluid leak | 26 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 26 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 26 |
| Offside Rear Service brake excessively fluctuating (1.2.1 (e)) | 26 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 25 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 23 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 22 |
| Nearside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 21 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 20 |
| Nearside Front Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 20 |
| Brake lever has insufficient reserve travel |1.1.2 |a|| | 20 |
| Rear fog lamp tell-tale not working (4.9.1 (a) (ii)) | 19 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 19 |
| Nearside Front Lower Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 16 |
| Front brake disc in such a condition that it is seriously weakened | 16 |
| Offside Front Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 15 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 14 |
| Anti-lock braking system warning lamp indicates an ABS fault | 14 |
| Offside Rear Shock absorbers has a serious fluid leak | 13 |
| Parking brake lever has no reserve travel |3.1.6b| | 12 |
| Nearside Front Headlamp aim not tested (4.1.2 (b)) | 12 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 12 |
| Service brake efficiency below requirements |1.2.2 |a| |i|| | 11 |
| Brake performance not tested (1.2.1 (g)) | 11 |
| Offside Front Track rod end ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 11 |
| Nearside Headlamp aim not tested (4.1.2 (b)) | 11 |
| Offside Rear Service brake excessively binding |1.2.1 |f|| | 11 |
| Nearside Rear Service brake excessively fluctuating (1.2.1 (e)) | 11 |