| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 790 |
| Headlamp aim out of alignment | 341 |
| Brake pipe excessively corroded | 333 |
| Registration plate lamp issues | 260 |
| Horn not working (7.7 (a)) | 211 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 188 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 179 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 167 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 149 |
| Horn not working (7.7 (a) (ii)) | 75 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 72 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 67 |
| Windscreen washer not working | 60 |
| Registration plate issues | 47 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 47 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 45 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 42 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 39 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 39 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 38 |
| Horn not working |1.6.2a| | 36 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 36 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 35 |
| Rear brake disc in such a condition that it is seriously weakened | 35 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 33 |
| Offside Rear Direction indicator incorrect colour |4.4.3 |a|| | 33 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 33 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 31 |
| Nearside Rear Position lamp not working |4.2.1 |a|| | 29 |
| Front brake disc in such a condition that it is seriously weakened | 29 |
| Nearside Rear Direction indicator incorrect colour |4.4.3 |a|| | 28 |
| Offside Side repeater incorrect colour (4.4.3 (a)) | 27 |
| Brakes imbalanced across an axle | 25 |
| Parking brake lever has no reserve travel |3.1.6b| | 24 |
| Offside Rear Position lamp not working |4.2.1 |a|| | 24 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 24 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 24 |
| Nearside Rear Rear position lamp|s| not working |1.1.A.3b| | 23 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 23 |
| Nearside Front Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 23 |
| Nearside Side repeater incorrect colour (4.4.3 (a)) | 23 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 22 |
| Horn not working |7.7 |a| |ii|| | 20 |
| Reversing lamp inoperative (4.6.1 (a)) | 19 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 18 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 18 |
| Offside Front Road wheel fixing missing (5.2.1 (a) (i)) | 18 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 18 |
| Offside Rear Rear position lamp|s| not working |1.1.A.3b| | 18 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 17 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 16 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 16 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 16 |
| Offside Front Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 16 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 15 |
| Nearside Rear All direction indicators incorrect colour (4.4.3 (a)) | 14 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 14 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 13 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 13 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 13 |
| Nearside Front Upper Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 13 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 13 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 12 |
| Offside Front Lower Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 12 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 12 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 12 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 12 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 12 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 11 |
| Offside Headlamp light intensity severely reduced (4.1.4 (a)) | 11 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 11 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 11 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 11 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 11 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 11 |
| Nearside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 11 |