| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 367 |
| Windscreen wiper does not clear the windscreen effectively | 309 |
| Registration plate issues | 254 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 138 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 131 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 91 |
| Windscreen washer not working | 85 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 75 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 67 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 33 |
| Front brake disc in such a condition that it is seriously weakened | 29 |
| Nearside Front Road wheel fractured (5.2.2 (a)) | 27 |
| Rear brake disc in such a condition that it is seriously weakened | 21 |
| Nearside Front Road wheel fixing missing (5.2.1 (a) (i)) | 20 |
| Offside Front Road wheel fractured (5.2.2 (a)) | 17 |
| Nearside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 16 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 14 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 14 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 13 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 13 |
| Brakes imbalanced across an axle | 12 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 12 |
| Offside Rear Service brake excessively fluctuating (1.2.1 (e)) | 12 |
| Nearside Front Service brake excessively fluctuating (1.2.1 (e)) | 11 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 10 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 10 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 10 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 9 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 9 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 9 |
| Nearside Front Inner Road wheel fractured (5.2.2 (a)) | 9 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 9 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 9 |
| Engine MIL inoperative or indicates a malfunction |8.2.2.2 |g|| | 8 |
| Windscreen damaged and affecting the drivers view of the road (3.2 (a) (ii)) | 8 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 8 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 8 |