| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 727 |
| Windscreen wiper does not clear the windscreen effectively | 717 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 367 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 326 |
| Headlamp aim out of alignment | 321 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 223 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 211 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 188 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 173 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 141 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 130 |
| Reversing lamp inoperative (4.6.1 (a)) | 112 |
| Brake pipe excessively corroded | 102 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 101 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 100 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 93 |
| Registration plate issues | 84 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 75 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 68 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 65 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 62 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 60 |
| Exhaust emissions exceed default limit of 0.7m-1 (8.2.2.2 (b)) | 56 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 55 |
| Offside Front Position lamp not working |4.2.1 |a|| | 55 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 53 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 52 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 46 |
| Windscreen washer not working | 46 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 45 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 44 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 43 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 39 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 38 |
| Offside Stop lamp not working |1.2.1b| | 36 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 36 |
| Nearside Stop lamp not working |1.2.1b| | 35 |
| Rear Reversing lamp inoperative (4.6.1 (a)) | 34 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 33 |
| Exhaust emissions exceed manufacturer`s specified limit |8.2.2.2 |a|| | 33 |
| Nearside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 32 |
| Anti-lock braking system warning lamp indicates an ABS fault | 32 |
| Nearside Front Suspension arm pin or bush excessively worn rear bush (5.3.4 (a) (i)) | 32 |
| Offside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 31 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 30 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 28 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 27 |
| Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 25 |
| Exhaust emissions exceed default limit of 0.7m-1 |8.2.2.2 |b|| | 23 |
| Offside Front Suspension arm pin or bush excessively worn rear bush (5.3.4 (a) (i)) | 23 |
| Nearside Front Lower Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 22 |
| Offside Front Shock absorbers has a serious fluid leak | 21 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 21 |
| Nearside Rear Stop lamp not working |1.2.1b| | 20 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 20 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 20 |
| Front brake disc in such a condition that it is seriously weakened | 19 |
| Offside Front Lower Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 19 |
| Nearside Rear Shock absorbers has a serious fluid leak | 18 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 18 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 17 |
| Offside Rear Shock absorbers has a serious fluid leak | 17 |
| Offside Rear Stop lamp not working |1.2.1b| | 16 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 16 |
| Parking brake: efficiency below requirements |3.7.B.7| | 16 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 16 |
| Offside Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 16 |
| Nearside Front Lower Suspension arm pin or bush excessively worn rear bush (5.3.4 (a) (i)) | 16 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 15 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 15 |
| Reversing lamp inoperative |4.6.1 |a|| | 15 |
| Brakes imbalanced across an axle | 15 |
| Headlamp cleaning device for LED or HID headlamp inoperative (4.1.6 (a) (ii)) | 14 |