| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 2694 |
| Headlamp aim out of alignment | 1432 |
| Windscreen wiper does not clear the windscreen effectively | 1060 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 575 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 568 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 478 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 458 |
| Registration plate issues | 433 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 385 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 258 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 233 |
| Brake pipe excessively corroded | 193 |
| Offside Front Position lamp not working |4.2.1 |a|| | 188 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 184 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 182 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 179 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 178 |
| Brakes imbalanced across an axle | 143 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 135 |
| Nearside Side repeater not working |1.4.A.2c| | 131 |
| Windscreen washer not working | 123 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 118 |
| Parking brake: efficiency below requirements |3.7.B.7| | 113 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 101 |
| Front brake disc in such a condition that it is seriously weakened | 100 |
| Offside Side repeater not working |1.4.A.2c| | 94 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 92 |
| Rear brake disc in such a condition that it is seriously weakened | 88 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 81 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 79 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 77 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 72 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 70 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 68 |
| Windscreen has damage | 64 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 64 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 64 |
| Electronic parking brake warning indicates a malfunction (1.1.6 (e)) | 62 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 61 |
| Anti-lock braking system warning lamp indicates an ABS fault | 61 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 60 |
| Rear parking brake recording little or no effort | 58 |
| Electronic parking brake warning indicates a malfunction |3.1.7| | 56 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 56 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 55 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 51 |
| Nearside Rear Direction indicator incorrect colour |4.4.3 |a|| | 49 |
| Offside Rear Hydraulic brake calliper leaking (1.1.16 (b) (i)) | 49 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 48 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 47 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 46 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 46 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 44 |
| Rear brake binding | 44 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 43 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 42 |
| Offside Rear Direction indicator incorrect colour |4.4.3 |a|| | 41 |
| Exhaust emits an excessive level of metered smoke |7.4.B.3a| | 39 |
| Offside Front Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 37 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 37 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 36 |
| Nearside Rear Hydraulic brake calliper leaking (1.1.16 (b) (i)) | 36 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 33 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 33 |