| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 3058 |
| Headlamp aim out of alignment | 2424 |
| Registration plate lamp issues | 1439 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 1021 |
| Windscreen washer not working | 642 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 624 |
| Brake pedal anti-slip provision missing (1.1.2 (c)) | 389 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 364 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 344 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 336 |
| Registration plate issues | 322 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 312 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 307 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 276 |
| Brakes imbalanced across an axle | 259 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 234 |
| Reversing lamp inoperative (4.6.1 (a)) | 223 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 189 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 183 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 181 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 175 |
| Exhaust emissions exceed default limit of 0.7m-1 (8.2.2.2 (b)) | 169 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 166 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 165 |
| Windscreen damaged and affecting the drivers view of the road (3.2 (a) (ii)) | 163 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 155 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 150 |
| Rear brake disc in such a condition that it is seriously weakened | 144 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 142 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 133 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 121 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 121 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 120 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 119 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 115 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 114 |
| Horn not working (7.7 (a)) | 113 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 111 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 109 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 107 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 102 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 101 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 101 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 100 |
| Nearside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 99 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 99 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 90 |
| Offside Rear Shock absorbers has a serious fluid leak | 84 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 82 |
| Nearside Rear Shock absorbers has a serious fluid leak | 79 |
| Front brake disc in such a condition that it is seriously weakened | 79 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 79 |
| Exhaust emissions exceed manufacturer`s specified limit |8.2.2.2 |a|| | 74 |
| Anti-lock braking system warning lamp indicates an ABS fault | 65 |
| Nearside Front Service brake excessively fluctuating (1.2.1 (e)) | 63 |
| Brake fluid significantly below minimum mark (1.1.10 (d) (ii)) | 63 |
| Offside Front Road wheel fixing missing (5.2.1 (a) (i)) | 63 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 57 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 56 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 56 |
| Exhaust on a vehicle fitted with a diesel particulate filter emits visible smoke of any colour (8.2.2.2 (d)) | 56 |
| Brake pedal anti-slip provision missing |1.1.2 |c|| | 55 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 54 |
| Central Stop lamp(s) not working (4.3.1 (a) (ii)) | 54 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 53 |