| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 207 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 118 |
| Registration plate lamp issues | 113 |
| Headlamp aim out of alignment | 111 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 108 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 99 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 72 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 63 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 62 |
| Reversing lamp inoperative (4.6.1 (a)) | 62 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 60 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 51 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 50 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 50 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 47 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 44 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 40 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 37 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 32 |
| Exhaust emissions exceed default limit of 0.7m-1 (8.2.2.2 (b)) | 29 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 27 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 23 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 23 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 22 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 21 |
| Windscreen washer not working | 20 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 20 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 18 |
| Brake pipe excessively corroded | 17 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 17 |
| Rear Reversing lamp inoperative (4.6.1 (a)) | 16 |
| Offside Rear Shock absorbers has a serious fluid leak | 14 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 14 |
| Nearside Rear Shock absorbers has a serious fluid leak | 13 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 13 |
| Nearside Front Suspension arm pin or bush excessively worn rear bush (5.3.4 (a) (i)) | 12 |
| Registration plate issues | 11 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 11 |
| Nearside Rear Reversing lamp inoperative (4.6.1 (a)) | 11 |
| Stop lamp(s) all not working (4.3.1 (a) (iii)) | 10 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 10 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 10 |
| Offside Front Shock absorbers has a serious fluid leak | 9 |
| Exhaust emissions exceed manufacturer`s specified limit |8.2.2.2 |a|| | 9 |
| Offside Front Suspension arm pin or bush excessively worn rear bush (5.3.4 (a) (i)) | 9 |
| Exhaust on a vehicle fitted with a diesel particulate filter emits visible smoke of any colour (8.2.2.2 (d)) | 8 |
| Anti-lock braking system warning lamp indicates an ABS fault | 8 |
| Offside Rear Suspension arm pin or bush excessively worn trailing arm bush (5.3.4 (a) (i)) | 7 |
| Offside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 7 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 7 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 7 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 6 |
| Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 6 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 6 |
| Nearside Front Shock absorbers has a serious fluid leak | 6 |
| Nearside Reversing lamp inoperative (4.6.1 (a)) | 6 |
| Nearside Rear Suspension arm pin or bush excessively worn trailing arm bush (5.3.4 (a) (i)) | 5 |
| Power steering pipe/hose leaking (2.1.5 (a)) | 5 |
| Nearside Front Lower Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 5 |
| Offside Front Lower Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 5 |
| Exhaust emissions test not completed because smoke levels are significantly in excess of the specified limit values (8.2.2.2 (f)) | 5 |
| Brakes imbalanced across an axle | 5 |
| Nearside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 5 |