| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 723 |
| Headlamp aim out of alignment | 485 |
| Registration plate lamp issues | 297 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 231 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 214 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 115 |
| Brake pipe excessively corroded | 103 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 95 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 92 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 91 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 88 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 77 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 76 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 75 |
| Nearside Headlamp not working on main beam (4.1.1 (a) (ii)) | 59 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 57 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 50 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 50 |
| Offside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 47 |
| Offside Headlamp not working on main beam (4.1.1 (a) (ii)) | 47 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 45 |
| Registration plate issues | 44 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 42 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 41 |
| Brakes imbalanced across an axle | 40 |
| Windscreen washer not working | 40 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 37 |
| Nearside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 36 |
| Rear brake disc in such a condition that it is seriously weakened | 36 |
| Front brake disc in such a condition that it is seriously weakened | 35 |
| Nearside Front Shock absorbers has a serious fluid leak | 34 |
| Offside Front Shock absorbers has a serious fluid leak | 34 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 32 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 31 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 30 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 28 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 25 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 25 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 23 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 22 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 22 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 22 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 22 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 22 |
| Offside Rear Shock absorbers has a serious fluid leak | 21 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 21 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 20 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 19 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 19 |
| Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 19 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 18 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 17 |
| Nearside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 17 |
| Nearside Headlamp not working on main beam |1.7.5a| | 17 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 16 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 16 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 16 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 15 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 15 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 15 |
| Offside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 15 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 15 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 15 |
| Engine MIL inoperative or indicates a malfunction |8.2.2.2 |g|| | 15 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 14 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 14 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 14 |
| Offside Stop lamp not working |1.2.1b| | 14 |
| Nearside Stop lamp not working |1.2.1b| | 14 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 13 |
| Nearside Headlamp not working on main beam |4.1.1 |a| |ii|| | 13 |
| Exhaust emissions exceed default limit of 0.7m-1 (8.2.2.2 (b)) | 12 |
| Parking brake: efficiency below requirements |3.7.B.7| | 12 |
| Offside Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 11 |
| Nearside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 11 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 11 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 11 |