| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 2192 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 1020 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 999 |
| Windscreen wiper does not clear the windscreen effectively | 746 |
| Registration plate issues | 458 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 419 |
| Windscreen washer not working | 415 |
| Horn not working (7.7 (a)) | 233 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 217 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 214 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 201 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 174 |
| Nearside Front Road wheel fixing missing (5.2.1 (a) (i)) | 168 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 159 |
| Nearside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 155 |
| Registration plate lamp issues | 149 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 149 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 141 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 117 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 112 |
| Nearside Rear Shock absorbers has a serious fluid leak | 100 |
| Horn not working (7.7 (a) (ii)) | 93 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 93 |
| Offside Front Road wheel fixing missing (5.2.1 (a) (i)) | 90 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 84 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 81 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 80 |
| Offside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 79 |
| Front brake disc in such a condition that it is seriously weakened | 77 |
| Brakes imbalanced across an axle | 75 |
| Offside Front Position lamp not working |4.2.1 |a|| | 71 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 69 |
| Offside Rear Shock absorbers has a serious fluid leak | 66 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 62 |
| Rear brake disc in such a condition that it is seriously weakened | 60 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 60 |
| Exhaust carbon monoxide content at idle exceeds manufacturers specified limits (8.2.1.2 (b)) | 60 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 58 |
| Nearside Front Shock absorbers has a serious fluid leak | 56 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 49 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 47 |
| Nearside Side repeater not working |1.4.A.2c| | 46 |
| Exhaust carbon monoxide content at idle exceeds default limits (8.2.1.2 (b)) | 44 |
| Nearside Front Service brake excessively fluctuating (1.2.1 (e)) | 43 |
| Anti-lock braking system warning lamp indicates an ABS fault | 42 |
| Nearside Side repeater not working |4.4.1 |a| |ii|| | 41 |
| Offside Front Seat belt not functioning as intended (7.1.2 (c)) | 40 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 40 |
| Nearside Front Side repeater not working (4.4.1 (a) (ii)) | 38 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 38 |
| Fuel cap/sealing device missing (6.1.3 (b) (i)) | 38 |
| Horn not working |7.7 |a| |ii|| | 37 |
| Exhaust catalytic converter missing where one was fitted as standard (8.2.1.1 (a)) | 37 |