| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 333 |
| Registration plate lamp issues | 321 |
| Windscreen wiper does not clear the windscreen effectively | 298 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 91 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 85 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 48 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 41 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 39 |
| Windscreen washer not working | 37 |
| Registration plate issues | 33 |
| Front brake disc in such a condition that it is seriously weakened | 31 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 28 |
| Rear brake disc in such a condition that it is seriously weakened | 26 |
| Electronic parking brake warning indicates a malfunction (1.1.6 (e)) | 24 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 24 |
| Nearside Headlamp not working on main beam (4.1.1 (a) (ii)) | 24 |
| Offside Headlamp not working on main beam (4.1.1 (a) (ii)) | 23 |
| Nearside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 23 |
| Offside Front Position lamp not working |4.2.1 |a|| | 23 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 22 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 20 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 19 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 19 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 19 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 19 |
| Brakes imbalanced across an axle | 19 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 18 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 18 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 17 |
| Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 17 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 15 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 15 |
| Offside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 13 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 13 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 12 |
| Offside Rear Hydraulic brake calliper leaking (1.1.16 (b) (i)) | 12 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 12 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 12 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 12 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 11 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 11 |
| Nearside Rear Hydraulic brake calliper leaking (1.1.16 (b) (i)) | 11 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 10 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 10 |
| Offside Front Road wheel fixing missing (5.2.1 (a) (i)) | 10 |
| Offside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 10 |
| Anti-lock braking system warning lamp indicates an ABS fault | 10 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 10 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 10 |
| Engine MIL inoperative or indicates a malfunction |8.2.2.2 |g|| | 10 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 10 |
| Nearside Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 9 |
| Nearside Side repeater not working |4.4.1 |a| |ii|| | 9 |
| Offside Front Shock absorbers has a serious fluid leak | 9 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 9 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 9 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 9 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 8 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 8 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 8 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 8 |
| Nearside Rear Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 8 |
| Nearside Headlamp light intensity severely reduced (4.1.4 (a)) | 8 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 8 |