| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 599 |
| Windscreen wiper does not clear the windscreen effectively | 345 |
| Horn not working (7.7 (a)) | 87 |
| Horn not working (7.7 (a) (ii)) | 86 |
| Windscreen washer not working | 60 |
| Registration plate lamp issues | 47 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 27 |
| Horn not working |7.7 |a| |ii|| | 26 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 24 |
| Front brake disc in such a condition that it is seriously weakened | 21 |
| Brakes imbalanced across an axle | 20 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 19 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 17 |
| Offside Front Anti-roll bar linkage fractured (5.3.3 (b) (ii)) | 17 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 16 |
| Nearside Headlamp levelling device inoperative (4.1.5 (a)) | 16 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 15 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 14 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 12 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 12 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 11 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 11 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 11 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 10 |
| Nearside Front Anti-roll bar linkage fractured (5.3.3 (b) (ii)) | 10 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 10 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 9 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 9 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 8 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 8 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 8 |
| Nearside Front Headlamp levelling device inoperative (4.1.5 (a)) | 7 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 7 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 7 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 7 |
| Offside Front Anti-roll bar linkage insecurely attached (5.3.3 (a) (i)) | 7 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 6 |
| Offside Rear Service brake effort inadequate at a wheel (1.2.1 (a) (i)) | 6 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 6 |
| Horn not working |1.6.2a| | 6 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 6 |
| Nearside Front Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 6 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 6 |
| Offside Front Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 6 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 6 |
| Nearside Rear Service brake effort inadequate at a wheel (1.2.1 (a) (i)) | 5 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 5 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 5 |
| Nearside Headlamp insecure (4.1.1 (c)) | 5 |
| Registration plate issues | 5 |
| Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 5 |