| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 637 |
| Windscreen wiper does not clear the windscreen effectively | 502 |
| Headlamp aim out of alignment | 408 |
| Brake pipe excessively corroded | 144 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 137 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 124 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 120 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 108 |
| Registration plate issues | 103 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 87 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 80 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 80 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 73 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 66 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 59 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 58 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 56 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 49 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 49 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 41 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 38 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 38 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 37 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 36 |
| Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 36 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 34 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 33 |
| Anti-lock braking system warning lamp indicates an ABS fault | 33 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 32 |
| Offside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 32 |
| Nearside Side repeater not working |1.4.A.2c| | 30 |
| Nearside Front Suspension arm pin or bush excessively worn rear bush (5.3.4 (a) (i)) | 29 |
| Windscreen washer not working | 29 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 28 |
| Nearside Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 28 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 28 |
| Front brake disc in such a condition that it is seriously weakened | 27 |
| Offside Front Suspension arm pin or bush excessively worn rear bush (5.3.4 (a) (i)) | 26 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 26 |
| Nearside Front Side repeater not working (4.4.1 (a) (ii)) | 24 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 22 |
| Nearside Rear Shock absorbers has a serious fluid leak | 22 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 21 |
| Nearside Side repeater light intensity significantly reduced (4.4.3 (a)) | 21 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 20 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 20 |
| Nearside Side repeater not working |4.4.1 |a| |ii|| | 19 |
| Offside Front Side repeater not working (4.4.1 (a) (ii)) | 17 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 17 |
| Parking brake: efficiency below requirements |3.7.B.7| | 17 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 16 |
| Nearside Front Lower Suspension arm pin or bush excessively worn rear bush (5.3.4 (a) (i)) | 16 |
| Offside Front Lower Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 16 |
| Offside Front Lower Suspension arm pin or bush excessively worn rear bush (5.3.4 (a) (i)) | 16 |
| Offside Rear Shock absorbers has a serious fluid leak | 16 |
| Nearside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 16 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 16 |
| Oil leaking excessively from engine (8.4.1 (a) (i)) | 15 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 15 |
| Nearside Front Lower Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 15 |
| Rear brake disc in such a condition that it is seriously weakened | 15 |
| Nearside Headlamp aim not tested (4.1.2 (b)) | 15 |
| Offside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 15 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 15 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 15 |
| Offside Side repeater not working |1.4.A.2c| | 14 |
| Offside Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 14 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 14 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 14 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 14 |
| Rear parking brake recording little or no effort | 14 |
| Offside Rear Anti-roll bar linkage fractured (5.3.3 (b) (ii)) | 13 |
| Offside Side repeater light intensity significantly reduced (4.4.3 (a)) | 13 |
| Nearside Front Headlamp aim not tested (4.1.2 (b)) | 13 |
| Nearside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 13 |
| Exhaust emissions exceed default limit of 1.5m-1 (8.2.2.2 (b)) | 13 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 13 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 13 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 12 |
| Nearside Headlamp not working on main beam (4.1.1 (a) (ii)) | 12 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 11 |
| Offside Front Shock absorbers has a serious fluid leak | 11 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 11 |
| Central Rear Stop lamp(s) with a multiple light source more than 1/2 not functioning (4.3.1 (a) (ii)) | 11 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 11 |
| Nearside Front Shock absorbers has a serious fluid leak | 11 |
| Central Stop lamp(s) with a multiple light source more than 1/2 not functioning (4.3.1 (a) (ii)) | 11 |
| Offside Side repeater not working |4.4.1 |a| |ii|| | 11 |