| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 675 |
| Headlamp aim out of alignment | 242 |
| Registration plate lamp issues | 188 |
| Brake pipe excessively corroded | 173 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 115 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 107 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 98 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 79 |
| Horn not working (7.7 (a) (ii)) | 75 |
| Horn not working (7.7 (a)) | 72 |
| Registration plate issues | 41 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 40 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 39 |
| Horn not working |1.6.2a| | 36 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 36 |
| Windscreen washer not working | 35 |
| Offside Rear Direction indicator incorrect colour |4.4.3 |a|| | 33 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 33 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 32 |
| Nearside Rear Position lamp not working |4.2.1 |a|| | 29 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 28 |
| Nearside Rear Direction indicator incorrect colour |4.4.3 |a|| | 28 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 25 |
| Parking brake lever has no reserve travel |3.1.6b| | 24 |
| Offside Rear Position lamp not working |4.2.1 |a|| | 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 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 23 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 22 |
| Rear brake disc in such a condition that it is seriously weakened | 22 |
| Front brake disc in such a condition that it is seriously weakened | 21 |
| Horn not working |7.7 |a| |ii|| | 20 |
| Brakes imbalanced across an axle | 18 |
| Offside Front 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 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 17 |
| Offside Side repeater incorrect colour (4.4.3 (a)) | 16 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 16 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 13 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 12 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 12 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 12 |
| Nearside Rear All direction indicators incorrect colour (4.4.3 (a)) | 11 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 11 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 11 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 11 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 10 |
| Nearside Side repeater incorrect colour (4.4.3 (a)) | 10 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 10 |
| Reversing lamp inoperative (4.6.1 (a)) | 10 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 10 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 9 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 9 |
| Rear brake binding | 9 |
| Nearside Side repeater not working |1.4.A.2c| | 8 |
| Offside Front Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 8 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 8 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 8 |
| Electronic stability control warning lamp indicates a fault |7.12 |e|| | 8 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 8 |
| Offside Front Lower Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 8 |