| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 465 |
| Headlamp aim out of alignment | 235 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 82 |
| Parking brake: efficiency below requirements |3.7.B.7| | 44 |
| Brake pipe excessively corroded | 41 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 32 |
| Rear parking brake recording little or no effort | 29 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 29 |
| Registration plate lamp issues | 18 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 16 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 16 |
| Windscreen washer not working | 15 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 13 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 13 |
| Parking brake lever has no reserve travel |3.1.6b| | 12 |
| Registration plate issues | 11 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 11 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 11 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 10 |
| Headlamp cleaning device for LED or HID headlamp inoperative (4.1.6 (a) (ii)) | 9 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 9 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 9 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 8 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 8 |
| Nearside Parking brake inoperative on one side |1.4.1 |a|| | 7 |
| Offside Rear Parking brake inoperative on one side |1.4.1 |a|| | 7 |
| Brake lever has insufficient reserve travel |1.1.2 |a|| | 7 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 7 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 7 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 6 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 6 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 6 |
| Front brake disc in such a condition that it is seriously weakened | 5 |
| Parking brake lever has excessive movement indicating incorrect adjustment |1.1.6 |c|| | 5 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 5 |
| Brakes imbalanced across an axle | 4 |
| Nearside Rear Parking brake inoperative on one side |1.4.1 |a|| | 4 |
| Rear brake binding | 4 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 4 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 4 |
| Nearside 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)) | 4 |