| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 869 |
| Windscreen wiper does not clear the windscreen effectively | 276 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 267 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 168 |
| Windscreen washer not working | 160 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 136 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 119 |
| Steering column has excessive movement up and down (2.2.2 (a)) | 111 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 110 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 108 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 98 |
| Registration plate issues | 85 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 76 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 73 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 64 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 61 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 59 |
| Steering column top bearing excessively worn (2.2.2 (b)) | 59 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 59 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 56 |
| Registration plate lamp issues | 53 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 48 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 47 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 35 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 30 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 29 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 28 |
| Brakes imbalanced across an axle | 28 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 26 |
| Offside Front Road wheel fixing missing (5.2.1 (a) (i)) | 25 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 25 |
| Rear brake disc in such a condition that it is seriously weakened | 22 |
| Front brake disc in such a condition that it is seriously weakened | 22 |
| Nearside Headlamp not working on main beam (4.1.1 (a) (ii)) | 22 |
| Steering wheel has excessive movement up and down (2.2.2 (a)) | 21 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 21 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 20 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 19 |
| Offside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 19 |
| Offside Front Seat belt retracting mechanism defective (7.1.2 (e)) | 18 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 17 |
| Fuel cap/sealing device ineffective (6.1.3 (b) (i)) | 17 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 17 |
| Brake performance not tested (1.2.1 (g)) | 17 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 17 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 15 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 15 |
| Nearside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 15 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 14 |
| Nearside Front Road wheel fixing missing (5.2.1 (a) (i)) | 14 |