| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 628 |
| Windscreen wiper does not clear the windscreen effectively | 537 |
| Headlamp aim out of alignment | 473 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 278 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 264 |
| Brake pipe excessively corroded | 131 |
| Registration plate issues | 118 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 92 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 81 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 80 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 74 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 74 |
| Offside Front Position lamp not working |4.2.1 |a|| | 61 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 57 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 55 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 53 |
| Windscreen washer not working | 47 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 44 |
| Brakes imbalanced across an axle | 43 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 42 |
| Rear brake disc in such a condition that it is seriously weakened | 40 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 34 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 33 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 33 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 32 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 32 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 31 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 31 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 30 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 29 |
| Nearside Side repeater not working |1.4.A.2c| | 28 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 28 |
| Front brake disc in such a condition that it is seriously weakened | 26 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 22 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 20 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 20 |
| Electronic parking brake warning indicates a malfunction (1.1.6 (e)) | 19 |
| Offside Side repeater not working |1.4.A.2c| | 18 |
| Nearside Rear Hydraulic brake calliper leaking (1.1.16 (b) (i)) | 17 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 16 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 16 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 16 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 15 |
| Nearside Front 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 Front Coil spring fractured or broken (5.3.1 (b) (i)) | 14 |
| Parking brake: efficiency below requirements |3.7.B.7| | 14 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 13 |
| Rear brake binding | 13 |
| Offside Rear Hydraulic brake calliper leaking (1.1.16 (b) (i)) | 13 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 13 |
| Nearside Front Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 13 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 13 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 12 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 12 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 12 |
| Nearside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 12 |
| Offside Rear Direction indicator incorrect colour |4.4.3 |a|| | 12 |
| Reversing lamp inoperative (4.6.1 (a)) | 12 |