| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 2035 |
| Headlamp aim out of alignment | 1622 |
| Registration plate lamp issues | 737 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 521 |
| Windscreen washer not working | 349 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 309 |
| Brake pedal anti-slip provision missing (1.1.2 (c)) | 208 |
| Registration plate issues | 197 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 175 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 172 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 155 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 152 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 151 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 144 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 124 |
| Brakes imbalanced across an axle | 121 |
| Reversing lamp inoperative (4.6.1 (a)) | 113 |
| Windscreen damaged and affecting the drivers view of the road (3.2 (a) (ii)) | 108 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 95 |
| Exhaust emissions exceed default limit of 0.7m-1 (8.2.2.2 (b)) | 81 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 80 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 79 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 77 |
| Exhaust emissions exceed manufacturer`s specified limit |8.2.2.2 |a|| | 74 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 73 |
| Rear brake disc in such a condition that it is seriously weakened | 72 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 71 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 66 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 65 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 62 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 61 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 61 |
| Nearside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 60 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 57 |
| Brake pedal anti-slip provision missing |1.1.2 |c|| | 55 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 53 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 53 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 52 |
| Offside Rear Shock absorbers has a serious fluid leak | 52 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 51 |
| Nearside Rear Shock absorbers has a serious fluid leak | 50 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 50 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 50 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 50 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 50 |
| Front brake disc in such a condition that it is seriously weakened | 49 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 48 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 46 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 46 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 46 |
| Brake fluid significantly below minimum mark (1.1.10 (d) (ii)) | 41 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 38 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 38 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 35 |
| Horn not working (7.7 (a)) | 34 |
| Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 33 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 33 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 32 |
| Exhaust on a vehicle fitted with a diesel particulate filter emits visible smoke of any colour (8.2.2.2 (d)) | 32 |
| Anti-lock braking system warning lamp indicates an ABS fault | 31 |