| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 251 |
| Headlamp aim out of alignment | 250 |
| Registration plate lamp issues | 238 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 170 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 120 |
| Offside Rear Upper Shock absorbers has an excessively worn bush (5.3.2 (c)) | 101 |
| Nearside Rear Upper Shock absorbers has an excessively worn bush (5.3.2 (c)) | 91 |
| Brake pedal anti-slip provision missing (1.1.2 (c)) | 81 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 79 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 75 |
| Offside Rear Shock absorbers has an excessively worn bush (5.3.2 (c)) | 66 |
| Nearside Rear Shock absorbers has an excessively worn bush (5.3.2 (c)) | 54 |
| Windscreen washer not working | 43 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 34 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 34 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 32 |
| Offside Front Macpherson strut top bush or bearing has excessive wear or free play (5.3.4 (a) (i)) | 28 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 26 |
| Exhaust emissions exceed default limit of 0.7m-1 (8.2.2.2 (b)) | 25 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 25 |
| Nearside Front Windscreen wiper not working (3.4 (a)) | 21 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 21 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 20 |
| Nearside Windscreen wiper not working (3.4 (a)) | 20 |
| Fuel cap/sealing device ineffective (6.1.3 (b) (i)) | 19 |
| Nearside Front Shock absorbers has a serious fluid leak | 19 |
| Registration plate issues | 19 |
| Brakes imbalanced across an axle | 19 |
| Offside Front Shock absorbers has a serious fluid leak | 19 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 18 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 18 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 18 |
| Brake pedal anti-slip provision missing |1.1.2 |c|| | 17 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 16 |
| Nearside Front Macpherson strut top bush or bearing has excessive wear or free play (5.3.4 (a) (i)) | 15 |
| Horn not working (7.7 (a)) | 15 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 15 |
| Front brake disc in such a condition that it is seriously weakened | 15 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 15 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 15 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 14 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 14 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 13 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 13 |
| Reversing lamp inoperative (4.6.1 (a)) | 13 |
| Exhaust on a vehicle fitted with a diesel particulate filter emits visible smoke of any colour (8.2.2.2 (d)) | 12 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 12 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 12 |
| Nearside Rear Shock absorbers has a serious fluid leak | 12 |
| Anti-lock braking system warning lamp indicates an ABS fault | 12 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 11 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 10 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 10 |
| Offside Front Coil spring fractured or broken |5.3.1 |b| |i|| | 10 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 10 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 10 |
| Exhaust emissions test not completed because smoke levels are significantly in excess of the specified limit values (8.2.2.2 (f)) | 10 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 10 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 9 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 8 |
| Nearside Rear Position lamp adversely affected by the operation of another lamp (4.2.3 (c)) | 8 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 8 |
| Windscreen damaged and affecting the drivers view of the road (3.2 (a) (ii)) | 8 |
| Bonnet cannot be secured in the closed position (3.1 (b) (i)) | 7 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 7 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 7 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 7 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 7 |
| Battery insecure and likely to fall from carrier (4.13 (a) (ii)) | 7 |
| Offside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 7 |
| Offside Obligatory mirror seriously damaged, affecting the rear view (3.3 (b) (ii)) | 7 |
| Offside Rear Shock absorbers has a serious fluid leak | 7 |
| Offside Rear Direction indicator adversely affected by the operation of another lamp (4.4.3 (b)) | 6 |
| Offside Rear Position lamp adversely affected by the operation of another lamp (4.2.3 (c)) | 6 |
| Exhaust emits excessive smoke or vapour likely to obscure the vision of other road users (8.2.2.2 (c)) | 6 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 6 |
| Fuel tank leaking (6.1.3 (b) (i)) | 6 |
| Offside Obligatory mirror insecure (3.3 (b) (ii)) | 6 |
| Offside Front Upper Macpherson strut top bush or bearing has excessive wear or free play (5.3.4 (a) (i)) | 6 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 6 |
| Nearside Headlamp not working on main beam (4.1.1 (a) (ii)) | 6 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 6 |
| Oil leaking excessively from engine (8.4.1 (a) (i)) | 6 |