| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 189 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 171 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 154 |
| Windscreen wiper does not clear the windscreen effectively | 142 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 140 |
| Brake pedal anti-slip provision missing (1.1.2 (c)) | 98 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 57 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 52 |
| Offside Front Macpherson strut top bush or bearing has excessive wear or free play (5.3.4 (a) (i)) | 36 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 35 |
| Registration plate lamp issues | 34 |
| Windscreen washer not working | 33 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 31 |
| Brakes imbalanced across an axle | 29 |
| Nearside Rear Shock absorbers has a serious fluid leak | 25 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 23 |
| Fuel cap/sealing device ineffective (6.1.3 (b) (i)) | 23 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 21 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 19 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 19 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 18 |
| Offside Rear Shock absorbers has a serious fluid leak | 17 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 16 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 16 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 15 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 15 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 14 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 14 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 14 |
| Exhaust emissions exceed default limit of 0.7m-1 (8.2.2.2 (b)) | 13 |
| Front brake disc in such a condition that it is seriously weakened | 13 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 13 |
| Nearside Side repeater incorrect colour (4.4.3 (a)) | 12 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 12 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 11 |
| Nearside Front Road wheel badly distorted (5.2.2 (c) (i)) | 11 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 11 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 11 |
| Emissions not tested (8.2.2.2 (e)) | 11 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 10 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 10 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 10 |
| Registration plate issues | 10 |
| Reversing lamp inoperative (4.6.1 (a)) | 10 |
| Nearside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 9 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 9 |
| Offside Front Lower Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 9 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 8 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 8 |
| Anti-lock braking system warning lamp indicates an ABS fault | 8 |
| Exhaust on a vehicle fitted with a diesel particulate filter emits visible smoke of any colour (8.2.2.2 (d)) | 8 |
| Offside Side repeater incorrect colour (4.4.3 (a)) | 7 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 7 |
| Windscreen damaged and affecting the drivers view of the road (3.2 (a) (ii)) | 7 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 7 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 7 |
| Nearside Front Macpherson strut top bush or bearing has excessive wear or free play (5.3.4 (a) (i)) | 7 |
| Electronic stability control switch not functioning correctly (7.12 (d)) | 7 |
| Nearside Rear Fuel cap/sealing device ineffective (6.1.3 (b) (i)) | 7 |
| Central Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 7 |
| Offside Front Suspension arm pin or bush excessively worn rear bush (5.3.4 (a) (i)) | 7 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 6 |
| Offside Front Macpherson strut pin or bush excessively worn (5.3.4 (a) (i)) | 6 |
| Offside Front Shock absorbers has a serious fluid leak | 6 |
| Nearside Front Suspension arm pin or bush excessively worn rear bush (5.3.4 (a) (i)) | 6 |
| Offside Obligatory mirror seriously damaged, affecting the rear view (3.3 (b) (ii)) | 6 |
| Nearside Side repeater lens defective such that the emitted light is adversely affected (4.4.1 (b) (ii)) | 6 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 6 |
| Offside Headlamp insecure (4.1.1 (c)) | 5 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 5 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 5 |
| Offside Front Macpherson strut mounting likely to fail (5.3.3 (b) (ii)) | 5 |
| Nearside Rear Road wheel badly distorted (5.2.2 (c) (i)) | 5 |
| Offside Front Upper Macpherson strut top bush or bearing has excessive wear or free play (5.3.4 (a) (i)) | 5 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 5 |
| Nearside Rear reflector missing (4.8.2 (a) (ii)) | 5 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 5 |
| Exhaust emissions test not completed because smoke levels are significantly in excess of the specified limit values (8.2.2.2 (f)) | 5 |
| Nearside Front Side repeater not working (4.4.1 (a) (ii)) | 5 |
| Nearside Front Service brake lagging in operation (1.2.1 (d)) | 5 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 5 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 5 |
| Offside Front Obligatory mirror seriously damaged, affecting the rear view (3.3 (b) (ii)) | 5 |