| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 395 |
| Windscreen wiper does not clear the windscreen effectively | 263 |
| Registration plate issues | 127 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 95 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 52 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 48 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 37 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 20 |
| Offside Front Anti-roll bar ball joint excessively worn (5.3.4 (a) (i)) | 16 |
| Windscreen washer not working | 15 |
| Anti-lock braking system warning lamp indicates an ABS fault | 14 |
| Registration plate lamp issues | 14 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 11 |
| Nearside Front Anti-roll bar ball joint excessively worn (5.3.4 (a) (i)) | 10 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 9 |
| Offside Front Road wheel fixing missing (5.2.1 (a) (i)) | 9 |
| Nearside Headlamp cleaning device for LED or HID headlamp inoperative (4.1.6 (a) (ii)) | 7 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 7 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 7 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 7 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 7 |
| Brake performance unable to be tested (1.2.1 (g)) | 7 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 6 |
| Headlamp cleaning device for LED or HID headlamp inoperative (4.1.6 (a) (ii)) | 6 |
| Offside Headlamp cleaning device for LED or HID headlamp inoperative (4.1.6 (a) (ii)) | 6 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 6 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 6 |
| Nearside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 6 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 6 |
| Nearside Rear Position lamp with a multiple light source more than 1/2 not functioning (4.2.1 (a) (ii)) | 6 |
| Rear brake disc in such a condition that it is seriously weakened | 6 |
| Nearside Front Headlamp cleaning device for LED or HID headlamp inoperative (4.1.6 (a) (ii)) | 6 |
| Offside Front Headlamp cleaning device for LED or HID headlamp inoperative (4.1.6 (a) (ii)) | 6 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 6 |
| Front Headlamp cleaning device for LED or HID headlamp inoperative (4.1.6 (a) (ii)) | 6 |
| Front brake disc in such a condition that it is seriously weakened | 6 |
| Offside Rear Shock absorbers has a serious fluid leak | 5 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 5 |
| Nearside Front Anti-roll bar linkage insecurely attached (5.3.3 (a) (i)) | 5 |
| Nearside Rear Outer Position lamp not working (4.2.1 (a) (ii)) | 5 |
| Nearside Front Windscreen washer jets misaligned and not providing sufficient fluid to the windscreen (3.5 (a)) | 5 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 5 |
| Windscreen damaged and affecting the drivers view of the road (3.2 (a) (ii)) | 5 |