| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 590 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 373 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 330 |
| Windscreen wiper does not clear the windscreen effectively | 273 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 238 |
| Brake pedal anti-slip provision missing (1.1.2 (c)) | 186 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 132 |
| Registration plate lamp issues | 124 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 112 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 111 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 99 |
| Offside Front Macpherson strut top bush or bearing has excessive wear or free play (5.3.4 (a) (i)) | 94 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 94 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 92 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 88 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 86 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 84 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 77 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 72 |
| Windscreen washer not working | 70 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 63 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 56 |
| Horn not working (7.7 (a)) | 55 |
| Offside Rear Shock absorbers has a serious fluid leak | 49 |
| Brakes imbalanced across an axle | 49 |
| Offside Headlamp levelling device inoperative (4.1.5 (a)) | 45 |
| Horn not working (7.7 (a) (ii)) | 44 |
| Nearside Rear Shock absorbers has a serious fluid leak | 44 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 43 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 41 |
| Nearside Headlamp levelling device inoperative (4.1.5 (a)) | 37 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 34 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 33 |
| Nearside Side repeater incorrect colour (4.4.3 (a)) | 26 |
| Registration plate issues | 26 |
| Nearside Front Macpherson strut top bush or bearing has excessive wear or free play (5.3.4 (a) (i)) | 26 |
| Front brake disc in such a condition that it is seriously weakened | 25 |
| Nearside Front Side repeater not working (4.4.1 (a) (ii)) | 23 |
| Headlamp levelling device inoperative (4.1.5 (a)) | 22 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 22 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 22 |
| Offside Front Headlamp levelling device inoperative (4.1.5 (a)) | 21 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 21 |
| Windscreen damaged and affecting the drivers view of the road (3.2 (a) (ii)) | 20 |
| Horn sound not in accordance with requirements (7.7 (c)) | 20 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 20 |
| Offside Front Lower Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 19 |
| Exhaust emissions exceed default limit of 0.7m-1 (8.2.2.2 (b)) | 18 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 18 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 18 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 17 |
| Emissions not tested (8.2.2.2 (e)) | 17 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 17 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 16 |
| Offside Front Upper Macpherson strut top bush or bearing has excessive wear or free play (5.3.4 (a) (i)) | 15 |
| Nearside Headlamp aim not tested (4.1.2 (b)) | 15 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 14 |
| Front Service brake excessively fluctuating (1.2.1 (e)) | 14 |
| Nearside Front Road wheel badly distorted (5.2.2 (c) (i)) | 13 |
| Nearside Front Service brake excessively fluctuating (1.2.1 (e)) | 13 |
| Nearside Front Headlamp levelling device inoperative (4.1.5 (a)) | 13 |
| Offside Front Lower Suspension arm pin or bush excessively worn rear bush (5.3.4 (a) (i)) | 13 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 13 |
| Fuel cap/sealing device ineffective (6.1.3 (b) (i)) | 12 |
| Offside Front Suspension arm pin or bush excessively worn rear bush (5.3.4 (a) (i)) | 12 |
| Nearside Front Lower Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 12 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 12 |
| Offside Front Macpherson strut mounting likely to fail (5.3.3 (b) (ii)) | 12 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 12 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 12 |
| Nearside Side repeater lens defective such that the emitted light is adversely affected (4.4.1 (b) (ii)) | 11 |
| Exhaust on a vehicle fitted with a diesel particulate filter emits visible smoke of any colour (8.2.2.2 (d)) | 11 |
| Offside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 11 |