| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 1266 |
| Windscreen wiper does not clear the windscreen effectively | 772 |
| Headlamp aim out of alignment | 719 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 528 |
| Headlamp aim out of alignment | 392 |
| Exhaust emissions exceed manufacturer`s specified limit |8.2.2.2 |a|| | 200 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 138 |
| Exhaust emissions exceed default limit of 0.7m-1 (8.2.2.2 (b)) | 100 |
| Windscreen washer not working | 90 |
| Windscreen washer not working | 82 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 81 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 77 |
| Registration plate lamp issues | 75 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 74 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 73 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 73 |
| Registration plate lamp issues | 70 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 68 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 62 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 62 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 61 |
| Registration plate issues | 58 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 56 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 50 |
| Registration plate issues | 49 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 48 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 48 |
| Exhaust emissions exceed default limit of 0.7m-1 |8.2.2.2 |b|| | 42 |
| Horn not working (7.7 (a)) | 42 |
| Exhaust emissions test not completed because smoke levels are significantly in excess of the specified limit values (8.2.2.2 (f)) | 40 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 32 |
| Exhaust emissions exceed manufacturer`s specified limit |8.2.2.2 |a|| | 32 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 31 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 28 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 28 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 27 |
| Brakes imbalanced across an axle | 26 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 25 |
| Exhaust on a vehicle fitted with a diesel particulate filter emits visible smoke of any colour (8.2.2.2 (d)) | 25 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 25 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 24 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 23 |
| Horn not working (7.7 (a) (ii)) | 23 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 23 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 23 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 23 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 22 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 22 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 22 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 21 |
| Exhaust emissions exceed manufacturers specified limit 0.55 (8.2.2.2 (a)) | 21 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 21 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 21 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 21 |
| Offside Front Road wheel fixing missing (5.2.1 (a) (i)) | 19 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 19 |
| Exhaust emissions exceed default limit of 0.7m-1 (8.2.2.2 (b)) | 19 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 18 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 17 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 16 |
| Nearside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 16 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 16 |
| Anti-lock braking system warning lamp indicates an ABS fault | 15 |
| Rear brake disc in such a condition that it is seriously weakened | 15 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 15 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 15 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 15 |