| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 1467 |
| Headlamp aim out of alignment | 594 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 292 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 268 |
| Windscreen washer not working | 211 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 171 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 157 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 150 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 121 |
| Exhaust carbon monoxide content at idle exceeds manufacturers specified limits (8.2.1.2 (b)) | 93 |
| Registration plate issues | 79 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 58 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 53 |
| Anti-lock braking system warning lamp indicates an ABS fault | 51 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 43 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 41 |
| Exhaust carbon monoxide content at idle exceeds default limits (8.2.1.2 (b)) | 39 |
| Brakes imbalanced across an axle | 39 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 31 |
| Offside Front Road wheel fixing missing (5.2.1 (a) (i)) | 31 |
| Registration plate lamp issues | 30 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 29 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 28 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 26 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 25 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 25 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 25 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 24 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 24 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 24 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 24 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 20 |
| Nearside Rear Shock absorbers has a serious fluid leak | 20 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 20 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 19 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 19 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 19 |
| Front brake disc in such a condition that it is seriously weakened | 18 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 18 |
| Nearside Rear Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 16 |
| Offside Rear Shock absorbers has a serious fluid leak | 15 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 14 |