| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 442 |
| Windscreen wiper does not clear the windscreen effectively | 435 |
| Headlamp aim out of alignment | 233 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 195 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 191 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 146 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 100 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 85 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 82 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 79 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 75 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 66 |
| Registration plate issues | 61 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 61 |
| Exhaust emissions exceed manufacturer`s specified limit |8.2.2.2 |a|| | 58 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 55 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 52 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 49 |
| Exhaust emissions exceed default limit of 0.7m-1 (8.2.2.2 (b)) | 47 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 44 |
| Reversing lamp inoperative (4.6.1 (a)) | 44 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 38 |
| Windscreen washer not working | 34 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 34 |
| Brake pipe excessively corroded | 30 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 28 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 27 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 27 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 25 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 25 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 24 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 21 |
| Offside Front Position lamp not working |4.2.1 |a|| | 20 |
| Offside Front Shock absorbers has a serious fluid leak | 16 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 16 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 15 |
| Anti-lock braking system warning lamp indicates an ABS fault | 15 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 15 |
| Nearside Front Suspension arm pin or bush excessively worn rear bush (5.3.4 (a) (i)) | 15 |
| Offside Rear Shock absorbers has a serious fluid leak | 14 |
| Offside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 13 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 13 |
| Nearside Rear Shock absorbers has a serious fluid leak | 13 |
| Front brake disc in such a condition that it is seriously weakened | 12 |
| Exhaust emissions exceed default limit of 0.7m-1 |8.2.2.2 |b|| | 12 |
| Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 11 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 11 |
| Offside Front Suspension arm pin or bush excessively worn rear bush (5.3.4 (a) (i)) | 11 |
| Stop lamp(s) all not working (4.3.1 (a) (iii)) | 11 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 11 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 10 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 10 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 10 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 10 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 10 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 10 |
| Offside Front Road wheel fixing missing (5.2.1 (a) (i)) | 10 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 9 |
| Exhaust emissions test not completed because smoke levels are significantly in excess of the specified limit values (8.2.2.2 (f)) | 9 |
| Brakes imbalanced across an axle | 9 |
| Nearside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 9 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 9 |
| Exhaust on a vehicle fitted with a diesel particulate filter emits visible smoke of any colour (8.2.2.2 (d)) | 9 |
| Rear Reversing lamp inoperative (4.6.1 (a)) | 9 |
| Headlamp cleaning device for LED or HID headlamp inoperative (4.1.6 (a) (ii)) | 9 |
| Nearside Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 8 |
| Nearside Reversing lamp inoperative (4.6.1 (a)) | 8 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 8 |
| Nearside Front Shock absorbers has a serious fluid leak | 8 |
| Nearside Rear Reversing lamp inoperative (4.6.1 (a)) | 8 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 8 |