| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 389 |
| Headlamp aim out of alignment | 235 |
| Brake pipe excessively corroded | 133 |
| Registration plate lamp issues | 95 |
| Brakes imbalanced across an axle | 38 |
| Nearside Front Shock absorbers has a serious fluid leak | 36 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 35 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 35 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 31 |
| Registration plate issues | 30 |
| Rear brake disc in such a condition that it is seriously weakened | 29 |
| Offside Front Shock absorbers has a serious fluid leak | 27 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 27 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 16 |
| Nearside Front 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)) | 15 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 15 |
| Front brake disc in such a condition that it is seriously weakened | 14 |
| Nearside Front Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 14 |
| Rear fog lamp not working |1.3.2b| | 13 |
| Windscreen washer not working | 13 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 12 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 12 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 11 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 10 |
| Offside Front Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 10 |
| Anti-lock braking system warning lamp indicates an ABS fault | 9 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 9 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 8 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 8 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 8 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 8 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 8 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 8 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 8 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt |5.3.4 |b| |ii|| | 7 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 7 |
| Emissions not tested (8.2.1.2 (d)) | 7 |
| Offside Front 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)) | 7 |
| Nearside Front Lower Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 7 |
| Windscreen wiper blade insecure | 6 |
| Rear brake binding | 6 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 6 |
| Nearside Rear Valve stem seriously damaged |4.1.D.1e| | 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 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)) | 6 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 6 |
| Windscreen washer jets misaligned and not providing sufficient fluid to the windscreen (3.5 (a)) | 6 |
| Nearside Rear Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 6 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 6 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 6 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 6 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 6 |
| Front brake application uneven | 5 |
| Electronic stability system switch faulty |3.4.5| | 5 |
| Rear fog lamp not working |4.5.1 |a| |ii|| | 5 |
| Parking brake lever has no reserve travel |3.1.6b| | 5 |
| Brake hose excessively deteriorated | 5 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 5 |
| Offside Rear Service brake excessively fluctuating (1.2.1 (e)) | 5 |
| Offside Rear Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 5 |
| Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 5 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 5 |
| Offside Front Lower Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 5 |
| Offside Front Upper Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 5 |