| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 201 |
| Rear brake disc in such a condition that it is seriously weakened | 61 |
| Rear Service brake excessively fluctuating (1.2.1 (e)) | 50 |
| Windscreen wiper does not clear the windscreen effectively | 48 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 44 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 44 |
| Offside Rear Service brake excessively fluctuating (1.2.1 (e)) | 39 |
| Nearside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 32 |
| Nearside Rear Service brake excessively fluctuating (1.2.1 (e)) | 31 |
| Windscreen washer not working | 26 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 25 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 20 |
| Registration plate issues | 15 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 14 |
| Central Rear Seat belt not functioning as intended (7.1.2 (c)) | 13 |
| Brakes imbalanced across an axle | 13 |
| Nearside Front Shock absorbers has a serious fluid leak | 7 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 7 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 7 |
| Offside Front Daytime running lamp not working (4.2.1 (a) (ii)) | 6 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 6 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 6 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 5 |
| Horn not working (7.7 (a)) | 5 |
| Front Service brake excessively fluctuating (1.2.1 (e)) | 5 |
| Front brake disc in such a condition that it is seriously weakened | 5 |
| Nearside Front Road wheel fixing missing (5.2.1 (a) (i)) | 5 |
| Nearside Front Daytime running lamp not working (4.2.1 (a) (ii)) | 4 |
| Nearside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 4 |
| Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 4 |
| Headlamp levelling device inoperative (4.1.5 (a)) | 4 |
| Reversing lamp inoperative (4.6.1 (a)) | 4 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 4 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 4 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 3 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 3 |
| Rear Brake disc significantly and obviously worn both (1.1.14 (a) (i)) | 3 |
| Rear Brake disc significantly and obviously worn both rear discs (1.1.14 (a) (i)) | 3 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 3 |