| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 1533 |
| Headlamp aim out of alignment | 558 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 231 |
| Brake pipe excessively corroded | 172 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 147 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 99 |
| Registration plate lamp issues | 92 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 92 |
| Offside Rear Shock absorbers has a serious fluid leak | 85 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 78 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 64 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 61 |
| Nearside Rear Shock absorbers has a serious fluid leak | 58 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 56 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 51 |
| Windscreen washer not working | 47 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 45 |
| Registration plate issues | 44 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 43 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 43 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 39 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 37 |
| Rear brake binding | 36 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 32 |
| Front brake disc in such a condition that it is seriously weakened | 31 |
| Brakes imbalanced across an axle | 29 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 26 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 23 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 23 |
| Nearside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 20 |
| Offside Rear Service brake excessively binding |1.2.1 |f|| | 20 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 19 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 19 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 19 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 18 |
| Offside Front Coil spring fractured or broken |5.3.1 |b| |i|| | 18 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 17 |
| Horn not working (7.7 (a)) | 17 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 17 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 16 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 16 |
| Horn not working (7.7 (a) (ii)) | 16 |
| Brake pedal anti-slip provision missing (1.1.2 (c)) | 15 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 15 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 15 |
| Nearside Front Road wheel fixing missing (5.2.1 (a) (i)) | 15 |
| Rear brake disc in such a condition that it is seriously weakened | 14 |
| Nearside Rear Service brake excessively binding |1.2.1 |f|| | 14 |
| Nearside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 13 |