| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 1557 |
| Headlamp aim out of alignment | 1053 |
| Windscreen wiper does not clear the windscreen effectively | 775 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 366 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 356 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 317 |
| Registration plate issues | 274 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 274 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 156 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 126 |
| Brake pipe excessively corroded | 126 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 120 |
| Offside Front Position lamp not working |4.2.1 |a|| | 120 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 89 |
| Windscreen washer not working | 88 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 83 |
| Nearside Side repeater not working |1.4.A.2c| | 82 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 77 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 74 |
| Front brake disc in such a condition that it is seriously weakened | 71 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 71 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 68 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 67 |
| Brakes imbalanced across an axle | 66 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 65 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 64 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 62 |
| Offside Side repeater not working |1.4.A.2c| | 59 |
| Rear brake disc in such a condition that it is seriously weakened | 57 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 56 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 51 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 44 |
| Electronic parking brake warning indicates a malfunction |3.1.7| | 42 |
| Anti-lock braking system warning lamp indicates an ABS fault | 42 |
| Parking brake: efficiency below requirements |3.7.B.7| | 42 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 41 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 39 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 39 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 38 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 36 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 36 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 36 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 34 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 33 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 33 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 30 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 30 |
| Nearside Rear Direction indicator incorrect colour |4.4.3 |a|| | 29 |
| Windscreen has damage | 29 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 29 |
| Nearside Front Side repeater not working |1.4.A.2c| | 29 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 29 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 27 |
| Offside Rear Direction indicator incorrect colour |4.4.3 |a|| | 27 |
| Nearside Side repeater not working |4.4.1 |a| |ii|| | 26 |
| Reversing lamp inoperative (4.6.1 (a)) | 25 |
| Rear parking brake recording little or no effort | 25 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 25 |
| Nearside Front Side repeater not working (4.4.1 (a) (ii)) | 24 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 24 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 24 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 23 |
| Electronic parking brake warning indicates a malfunction (1.1.6 (e)) | 23 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 22 |
| Battery insecure |1.9.1| | 22 |