| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 1086 |
| Headlamp aim out of alignment | 394 |
| Brake pipe excessively corroded | 177 |
| Registration plate lamp issues | 156 |
| Registration plate issues | 100 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 88 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 77 |
| Windscreen washer not working | 50 |
| Brakes imbalanced across an axle | 35 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 32 |
| Rear brake disc in such a condition that it is seriously weakened | 30 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 30 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 29 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 29 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 28 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 25 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 25 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 23 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 20 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 19 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 18 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 18 |
| Nearside Stop lamp not working |1.2.1b| | 18 |
| Horn not working (7.7 (a) (ii)) | 17 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 17 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 17 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 16 |
| Offside Headlamp not working on main beam (4.1.1 (a) (ii)) | 15 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 15 |
| Offside Rear Shock absorbers has a serious fluid leak | 14 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 14 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 13 |
| Nearside Headlamp not working on main beam (4.1.1 (a) (ii)) | 13 |
| Offside Front Position lamp not working |4.2.1 |a|| | 12 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 12 |
| Anti-lock braking system warning lamp indicates an ABS fault | 12 |
| Nearside Rear Shock absorbers has a serious fluid leak | 12 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 12 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 12 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 12 |
| Offside Rear Service brake excessively binding |1.2.1 |f|| | 11 |
| Offside Rear Stop lamp not working |1.2.1b| | 11 |
| Offside Side repeater not working |1.4.A.2c| | 11 |
| Horn not working (7.7 (a)) | 11 |
| Offside Stop lamp not working |1.2.1b| | 10 |
| Windscreen has damage | 10 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 10 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 10 |
| Nearside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 10 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 9 |
| Nearside Rear Stop lamp not working |1.2.1b| | 9 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 9 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 9 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 8 |
| Horn not working |1.6.2a| | 8 |
| Rear brake binding | 8 |
| Front brake disc in such a condition that it is seriously weakened | 8 |
| Offside Rear Service brake excessively fluctuating (1.2.1 (e)) | 8 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 8 |
| Brake hose excessively deteriorated | 8 |