| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 861 |
| Headlamp aim out of alignment | 462 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 76 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 65 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 60 |
| Registration plate lamp issues | 53 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 53 |
| Windscreen washer not working | 52 |
| Registration plate issues | 47 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 43 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 36 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 33 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 30 |
| Brake pipe excessively corroded | 27 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 25 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 24 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 21 |
| Brakes imbalanced across an axle | 20 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 18 |
| Anti-lock braking system warning lamp indicates an ABS fault | 17 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 13 |
| Front brake disc in such a condition that it is seriously weakened | 13 |
| Nearside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 12 |
| Nearside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 10 |
| Brake pedal anti-slip provision missing (1.1.2 (c)) | 10 |
| Offside Rear Service brake excessively binding |1.2.1 |f|| | 10 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 10 |
| Rear fog lamp not working |4.5.1 |a| |ii|| | 10 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 9 |
| Nearside Front Road wheel fixing missing (5.2.1 (a) (i)) | 9 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 9 |
| Nearside Rear Position lamp not working |4.2.1 |a|| | 8 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 8 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 8 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 7 |
| Nearside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 7 |