| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 1530 |
| Windscreen wiper does not clear the windscreen effectively | 439 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 390 |
| Registration plate issues | 369 |
| Windscreen washer not working | 314 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 151 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 147 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 144 |
| Nearside Front Road wheel fixing missing (5.2.1 (a) (i)) | 135 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 129 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 119 |
| Nearside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 113 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 93 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 88 |
| Nearside Front Shock absorbers has a serious fluid leak | 80 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 75 |
| Offside Front Shock absorbers has a serious fluid leak | 73 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 67 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 61 |
| Horn not working (7.7 (a)) | 61 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 58 |
| Offside Front Road wheel fixing missing (5.2.1 (a) (i)) | 55 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 54 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 54 |
| Offside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 51 |
| Registration plate lamp issues | 42 |
| Exhaust carbon monoxide content at idle exceeds manufacturers specified limits (8.2.1.2 (b)) | 39 |
| Nearside Front Side repeater not working (4.4.1 (a) (ii)) | 39 |
| Brakes imbalanced across an axle | 36 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 36 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 36 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 33 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 33 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 33 |
| Oil leaking excessively from engine (8.4.1 (a) (i)) | 33 |
| Nearside Front Service brake excessively fluctuating (1.2.1 (e)) | 32 |
| Exhaust carbon monoxide content at idle exceeds default limits (8.2.1.2 (b)) | 32 |
| Nearside Rear Shock absorbers has a serious fluid leak | 31 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 30 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 29 |
| Offside Front Side repeater not working (4.4.1 (a) (ii)) | 27 |
| Offside Rear Shock absorbers has a serious fluid leak | 27 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 27 |
| Rear brake disc in such a condition that it is seriously weakened | 26 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 26 |
| Nearside Rear Road wheel fractured (5.2.2 (a)) | 26 |
| Front Service brake excessively fluctuating (1.2.1 (e)) | 25 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 24 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 24 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 24 |
| Exhaust catalytic converter missing where one was fitted as standard (8.2.1.1 (a)) | 23 |
| Front brake disc in such a condition that it is seriously weakened | 22 |
| Anti-lock braking system warning lamp indicates an ABS fault | 21 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 21 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 21 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 21 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 21 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 21 |