| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 627 |
| Headlamp aim out of alignment | 568 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 88 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 44 |
| Registration plate issues | 42 |
| Registration plate lamp issues | 39 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 35 |
| Brake pedal anti-slip provision missing (1.1.2 (c)) | 34 |
| Windscreen washer not working | 28 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 22 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 22 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 18 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 17 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 14 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 13 |
| Nearside Rear Shock absorbers has a serious fluid leak | 12 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 11 |
| Windscreen damaged and affecting the drivers view of the road (3.2 (a) (ii)) | 9 |
| Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 9 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 9 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 8 |
| Brake pedal anti-slip provision worn smooth (1.1.2 (c)) | 8 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 7 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 7 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 7 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 7 |
| Front Drivers view of an obligatory external mirror significantly affected by an obstruction (3.1 (a) (ii)) | 6 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 6 |
| Offside Rear fog lamp lens defective such that emitted light is adversely affected (4.5.1 (b) (ii)) | 6 |