| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 173 |
| Registration plate issues | 73 |
| Brake pipe excessively corroded | 52 |
| Windscreen wiper does not clear the windscreen effectively | 38 |
| Offside Rear Shock absorbers has a serious fluid leak | 17 |
| Windscreen washer not working | 16 |
| Nearside Rear Shock absorbers has a serious fluid leak | 14 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 10 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 10 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 10 |
| Registration plate lamp issues | 9 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 8 |
| Brakes imbalanced across an axle | 8 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 7 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 6 |
| Front brake disc in such a condition that it is seriously weakened | 5 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 5 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 5 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 3 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 3 |
| Offside Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 3 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Offside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 3 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 3 |
| Horn sound not in accordance with requirements (7.7 (c)) | 2 |
| Horn not working |1.6.2a| | 2 |
| Stop lamp remains on when the brakes are released | 2 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 2 |
| Fuel cap/sealing device ineffective (6.1.3 (b) (i)) | 2 |
| Rear fog lamp switch inoperative (4.5.3 (a)) | 2 |
| Rear brake binding | 2 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 2 |
| Nearside Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 2 |
| Electronic parking brake warning indicates a malfunction (1.1.6 (e)) | 2 |
| Front Service brake excessively fluctuating (1.2.1 (e)) | 2 |
| Offside Front Headlamp aim not tested (4.1.2 (b)) | 2 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 2 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 2 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 2 |
| Nearside Front Service brake excessively fluctuating (1.2.1 (e)) | 2 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 2 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 2 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 2 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 2 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 2 |
| Nearside Rear Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 2 |
| Horn not working (7.7 (a) (ii)) | 2 |