| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 338 |
| Windscreen wiper does not clear the windscreen effectively | 265 |
| Windscreen washer not working | 99 |
| Headlamp aim out of alignment | 81 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 41 |
| Brake pipe excessively corroded | 36 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 34 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 25 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 22 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 19 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 19 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 15 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 14 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 13 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 11 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 11 |
| Nearside Front Service brake excessively fluctuating (1.2.1 (e)) | 11 |
| Nearside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 9 |
| Nearside Front Road wheel fixing missing (5.2.1 (a) (i)) | 9 |
| Brakes imbalanced across an axle | 9 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 8 |
| Offside Rear Service brake excessively fluctuating (1.2.1 (e)) | 8 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 7 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 7 |
| Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 6 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 6 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 6 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 6 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 6 |
| Nearside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 6 |
| Nearside Front Anti-roll bar ball joint excessively worn (5.3.4 (a) (i)) | 6 |
| Anti-lock braking system warning lamp indicates an ABS fault | 6 |
| Nearside Headlamp aim unable to be tested (4.1.2 (b)) | 6 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 6 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 6 |
| Oil leaking excessively from engine (8.4.1 (a) (i)) | 5 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 5 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 5 |
| Nearside Rear Service brake excessively fluctuating (1.2.1 (e)) | 5 |
| Registration plate issues | 4 |
| Offside Front Anti-roll bar ball joint excessively worn (5.3.4 (a) (i)) | 4 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 4 |
| Offside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 4 |
| Central Rear Seat belt retracting mechanism defective (7.1.2 (e)) | 4 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 4 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 4 |