| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 643 |
| Windscreen wiper does not clear the windscreen effectively | 577 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 398 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 393 |
| Headlamp aim out of alignment | 353 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 269 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 217 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 193 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 175 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 156 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 150 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 150 |
| Reversing lamp inoperative (4.6.1 (a)) | 146 |
| Brake pipe excessively corroded | 130 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 125 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 118 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 95 |
| Exhaust emissions exceed default limit of 0.7m-1 (8.2.2.2 (b)) | 89 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 89 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 88 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 86 |
| Registration plate issues | 84 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 80 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 74 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 63 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 63 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 60 |
| Exhaust emissions exceed manufacturer`s specified limit |8.2.2.2 |a|| | 58 |
| Windscreen washer not working | 55 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 46 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 46 |
| Nearside Front Suspension arm pin or bush excessively worn rear bush (5.3.4 (a) (i)) | 43 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 41 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 38 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 34 |
| Offside Front Suspension arm pin or bush excessively worn rear bush (5.3.4 (a) (i)) | 33 |
| Offside Rear Shock absorbers has a serious fluid leak | 33 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 32 |
| Rear Reversing lamp inoperative (4.6.1 (a)) | 31 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 30 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 29 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 26 |
| Offside Front Shock absorbers has a serious fluid leak | 25 |
| Stop lamp(s) all not working (4.3.1 (a) (iii)) | 24 |
| Nearside Rear Shock absorbers has a serious fluid leak | 23 |
| Anti-lock braking system warning lamp indicates an ABS fault | 22 |
| Brakes imbalanced across an axle | 21 |
| Offside Front Position lamp not working |4.2.1 |a|| | 20 |
| Nearside Rear Reversing lamp inoperative (4.6.1 (a)) | 20 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 19 |
| Exhaust on a vehicle fitted with a diesel particulate filter emits visible smoke of any colour (8.2.2.2 (d)) | 19 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 18 |
| Front brake disc in such a condition that it is seriously weakened | 18 |
| Nearside Reversing lamp inoperative (4.6.1 (a)) | 16 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 16 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 16 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 16 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 15 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 15 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 15 |
| Exhaust emissions test not completed because smoke levels are significantly in excess of the specified limit values (8.2.2.2 (f)) | 14 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 14 |
| Nearside Front Lower Suspension arm pin or bush excessively worn rear bush (5.3.4 (a) (i)) | 14 |
| Nearside Front Lower Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 14 |
| Offside Front Road wheel fixing missing (5.2.1 (a) (i)) | 14 |