| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 368 |
| Headlamp aim out of alignment | 332 |
| Windscreen wiper does not clear the windscreen effectively | 326 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 298 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 243 |
| Brake pedal anti-slip provision missing (1.1.2 (c)) | 170 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 148 |
| Nearside Rear Upper Shock absorbers has an excessively worn bush (5.3.2 (c)) | 145 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 141 |
| Offside Rear Upper Shock absorbers has an excessively worn bush (5.3.2 (c)) | 139 |
| Offside Rear Shock absorbers has an excessively worn bush (5.3.2 (c)) | 120 |
| Nearside Rear Shock absorbers has an excessively worn bush (5.3.2 (c)) | 108 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 91 |
| Windscreen washer not working | 72 |
| Offside Front Macpherson strut top bush or bearing has excessive wear or free play (5.3.4 (a) (i)) | 64 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 54 |
| Brakes imbalanced across an axle | 53 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 49 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 48 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 45 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 40 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 40 |
| Nearside Front Macpherson strut top bush or bearing has excessive wear or free play (5.3.4 (a) (i)) | 40 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 39 |
| Offside Front Shock absorbers has a serious fluid leak | 38 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 37 |
| Exhaust emissions exceed default limit of 0.7m-1 (8.2.2.2 (b)) | 34 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 33 |
| Nearside Windscreen wiper not working (3.4 (a)) | 32 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 31 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 30 |
| Reversing lamp inoperative (4.6.1 (a)) | 28 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 27 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 27 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 26 |
| Horn not working (7.7 (a)) | 26 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 25 |
| Nearside Front Windscreen wiper not working (3.4 (a)) | 24 |
| Registration plate issues | 23 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 23 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 22 |
| Front brake disc in such a condition that it is seriously weakened | 21 |
| Exhaust on a vehicle fitted with a diesel particulate filter emits visible smoke of any colour (8.2.2.2 (d)) | 21 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 20 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 20 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 19 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 18 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 18 |
| Anti-lock braking system warning lamp indicates an ABS fault | 18 |
| Brake pedal anti-slip provision missing |1.1.2 |c|| | 18 |
| Offside Obligatory mirror seriously damaged, affecting the rear view (3.3 (b) (ii)) | 17 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 17 |
| Offside Front Seat belt webbing significantly weakened (7.1.2 (b) (ii)) | 16 |
| Offside Rear Position lamp adversely affected by the operation of another lamp (4.2.3 (c)) | 16 |
| Nearside Headlamp aim projected beam image is obviously incorrect |4.1.2 |c|| | 15 |
| Offside Front Anti-roll bar ball joint excessively worn (5.3.4 (a) (i)) | 15 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 15 |
| Nearside Front Shock absorbers has a serious fluid leak | 15 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 15 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 14 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 14 |
| Offside Headlamp aim projected beam image is obviously incorrect |4.1.2 |c|| | 14 |
| Offside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 14 |
| Nearside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 14 |
| Nearside Rear Position lamp adversely affected by the operation of another lamp (4.2.3 (c)) | 13 |
| Windscreen damaged and affecting the drivers view of the road (3.2 (a) (ii)) | 13 |
| Offside Front Upper Macpherson strut pin or bush excessively worn (5.3.4 (a) (i)) | 13 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 13 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 12 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 12 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 11 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 11 |
| Offside Front Upper Shock absorbers has an excessively worn bush (5.3.2 (c)) | 11 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 11 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 11 |
| Exhaust emits excessive smoke or vapour likely to obscure the vision of other road users (8.2.2.2 (c)) | 10 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 10 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 10 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 10 |
| Nearside Front Upper Macpherson strut pin or bush excessively worn (5.3.4 (a) (i)) | 9 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 9 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 9 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 9 |