| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 4722 |
| Windscreen wiper does not clear the windscreen effectively | 1355 |
| Registration plate issues | 1259 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 1157 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 1112 |
| Windscreen washer not working | 614 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 511 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 485 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 481 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 467 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 436 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 403 |
| Nearside Front Shock absorbers has a serious fluid leak | 381 |
| Nearside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 367 |
| Nearside Front Road wheel fixing missing (5.2.1 (a) (i)) | 310 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 300 |
| Offside Rear Shock absorbers has a serious fluid leak | 277 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 274 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 256 |
| Horn not working (7.7 (a)) | 250 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 244 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 225 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 223 |
| Nearside Rear Shock absorbers has a serious fluid leak | 217 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 178 |
| Offside Front Road wheel fixing missing (5.2.1 (a) (i)) | 177 |
| Offside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 173 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 166 |
| Offside Front Shock absorbers has a serious fluid leak | 151 |
| Front brake disc in such a condition that it is seriously weakened | 149 |
| Horn not working (7.7 (a) (ii)) | 144 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 140 |
| Brakes imbalanced across an axle | 134 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 129 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 127 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 122 |
| Offside Front Position lamp not working |4.2.1 |a|| | 109 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 105 |
| Nearside Front Service brake excessively fluctuating (1.2.1 (e)) | 103 |
| Anti-lock braking system warning lamp indicates an ABS fault | 102 |
| Rear brake disc in such a condition that it is seriously weakened | 95 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 93 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 92 |
| Front Service brake excessively fluctuating (1.2.1 (e)) | 92 |
| Nearside Front Side repeater not working (4.4.1 (a) (ii)) | 90 |
| Horn not working |7.7 |a| |ii|| | 87 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 83 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 81 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 79 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 78 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 75 |