| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 684 |
| Headlamp aim out of alignment | 305 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 160 |
| Brake pipe excessively corroded | 151 |
| Parking brake: efficiency below requirements |3.7.B.7| | 59 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 49 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 38 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 34 |
| Windscreen washer not working | 30 |
| Rear parking brake recording little or no effort | 29 |
| Registration plate issues | 29 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 27 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 24 |
| Registration plate lamp issues | 22 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 22 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 22 |
| Parking brake lever has no reserve travel |3.1.6b| | 20 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 19 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 18 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 17 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 16 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 16 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 15 |
| Parking brake lever has excessive movement indicating incorrect adjustment |1.1.6 |c|| | 14 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 14 |
| Front brake disc in such a condition that it is seriously weakened | 13 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 13 |
| Rear fog lamp not working |4.5.1 |a| |ii|| | 12 |
| Anti-lock braking system warning lamp indicates an ABS fault | 12 |
| Headlamp cleaning device for LED or HID headlamp inoperative (4.1.6 (a) (ii)) | 12 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 11 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 11 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 10 |
| Offside Rear Parking brake inoperative on one side |1.4.1 |a|| | 9 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 9 |
| Service brake efficiency below requirements |1.2.2 |a| |i|| | 8 |
| Offside Headlamp cleaning device for LED or HID headlamp inoperative (4.1.6 (a) (ii)) | 8 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 8 |
| Headlamp cleaning device for LED or HID headlamp inoperative |4.1.6 |a| |ii|| | 7 |
| Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 7 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 7 |
| Nearside Headlamp cleaning device for LED or HID headlamp inoperative (4.1.6 (a) (ii)) | 7 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 7 |
| Brakes imbalanced across an axle | 6 |
| Nearside Front Shock absorbers has a serious fluid leak | 6 |
| Rear brake disc in such a condition that it is seriously weakened | 6 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 6 |
| Offside Front Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 6 |
| Brake performance not tested (1.2.1 (g)) | 6 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 6 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 6 |