| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 180 |
| Windscreen wiper does not clear the windscreen effectively | 108 |
| Registration plate lamp issues | 84 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 42 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 29 |
| Registration plate issues | 17 |
| Rear brake disc in such a condition that it is seriously weakened | 13 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 13 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 13 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 11 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 10 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 9 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 9 |
| Rear brake binding | 8 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 8 |
| Brakes imbalanced across an axle | 8 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 8 |
| Offside Front Shock absorbers has a serious fluid leak | 8 |
| Nearside Front Shock absorbers has a serious fluid leak | 8 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 8 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 7 |
| Windscreen washer not working | 7 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 7 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 7 |
| Oil leaking excessively from engine (8.4.1 (a) (i)) | 7 |
| Exhaust emissions exceed default limit of 1.5m-1 (8.2.2.2 (b)) | 6 |
| Brake fluid warning lamp illuminated |3.6.G.2| | 5 |
| Offside Front Position lamp not working |4.2.1 |a|| | 5 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 5 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 5 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 4 |
| Windscreen has damage | 4 |
| Offside Stop lamp not working |1.2.1b| | 4 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 4 |
| Front brake disc in such a condition that it is seriously weakened | 4 |
| Exhaust on a vehicle fitted with a diesel particulate filter emits visible smoke of any colour (8.2.2.2 (d)) | 4 |
| Offside Front position lamp(s) not working (1.1.A.3b) | 4 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 4 |
| Nearside Front Front position lamp(s) not working (1.1.A.3b) | 4 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 4 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 4 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 4 |
| Brake fluid warning lamp illuminated (3.6.G.2) | 4 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 4 |
| Front Sub-frame corroded and seriously weakened (5.3.3 (b) (i)) | 4 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 3 |
| Offside Front Position lamp not working |4.2.1 |a| |ii|| | 3 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 3 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 3 |
| Anti-lock braking system warning lamp indicates an ABS fault | 3 |
| Nearside Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 3 |
| Nearside Front Suspension arm pin or bush excessively worn rear bush (5.3.4 (a) (i)) | 3 |
| Fuel cap/sealing device ineffective (6.1.3 (b) (i)) | 3 |
| Nearside Front Inner Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 3 |
| Brake performance not tested (1.2.1 (g)) | 3 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 3 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 3 |