| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 662 |
| Headlamp aim out of alignment | 286 |
| Brake pipe excessively corroded | 262 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 226 |
| Parking brake: efficiency below requirements |3.7.B.7| | 166 |
| Nearside Front Shock absorbers has a serious fluid leak | 139 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 108 |
| Rear parking brake recording little or no effort | 98 |
| Offside Front Shock absorbers has a serious fluid leak | 88 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 73 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 58 |
| Parking brake lever has no reserve travel |3.1.6b| | 50 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 48 |
| Registration plate issues | 46 |
| Registration plate lamp issues | 45 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 45 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 43 |
| Windscreen washer not working | 37 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 37 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 36 |
| Anti-lock braking system warning lamp indicates an ABS fault | 32 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 29 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 28 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 27 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 27 |
| Offside Rear Parking brake inoperative on one side |1.4.1 |a|| | 26 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 22 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 21 |
| Nearside Rear Parking brake inoperative on one side |1.4.1 |a|| | 20 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 20 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 20 |
| Offside Parking brake inoperative on one side |1.4.1 |a|| | 19 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 19 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 18 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 18 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 18 |
| Rear Mechanical brake component has restricted free movement | 16 |
| Brake lever has insufficient reserve travel |1.1.2 |a|| | 16 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 16 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 16 |
| Nearside Parking brake inoperative on one side |1.4.1 |a|| | 14 |
| Parking brake lever has excessive movement indicating incorrect adjustment |1.1.6 |c|| | 14 |
| Front brake disc in such a condition that it is seriously weakened | 14 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 13 |
| Brakes imbalanced across an axle | 13 |
| Rear brake disc in such a condition that it is seriously weakened | 13 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 13 |
| Rear fog lamp not working |1.3.2b| | 12 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 12 |
| Rear brake binding | 11 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 11 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 11 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 11 |
| Nearside Front Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 10 |
| Nearside Front Track rod end ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 10 |
| Offside Front Upper Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 10 |
| Rear fog lamp not working |4.5.1 |a| |ii|| | 9 |
| Offside Rear brake caliper has restricted free movement |3.5.1k| | 9 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 9 |
| Nearside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 9 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 9 |
| Offside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 8 |
| Offside Front Road wheel fixing missing (5.2.1 (a) (i)) | 8 |
| Nearside Rear Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 8 |
| Offside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 8 |
| Offside Front Shock absorbers has negligible damping effect (5.3.2 (d)) | 8 |