| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 5350 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 4858 |
| Windscreen wiper does not clear the windscreen effectively | 3551 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 3452 |
| Windscreen washer not working | 3430 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 2281 |
| Registration plate lamp issues | 2111 |
| Fuel cap/sealing device ineffective (6.1.3 (b) (i)) | 993 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 821 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 702 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 662 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 622 |
| Registration plate issues | 539 |
| Brakes imbalanced across an axle | 507 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 414 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 399 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 390 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 383 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 371 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 366 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 350 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 345 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 334 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 333 |
| Rear brake disc in such a condition that it is seriously weakened | 325 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 315 |
| Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 314 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 260 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 259 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 254 |
| Fuel cap/sealing device ineffective |6.1.3 |b| |i|| | 250 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 236 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 228 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 227 |
| Fuel cap/sealing device missing (6.1.3 (b) (i)) | 226 |
| Offside Front Road wheel fixing missing (5.2.1 (a) (i)) | 213 |
| Emissions unable to be completed (8.2.1.2 (d)) | 188 |
| Nearside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 182 |
| Offside Rear Inner Position lamp not working (4.2.1 (a) (ii)) | 182 |
| Nearside Rear Inner Position lamp not working (4.2.1 (a) (ii)) | 180 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 178 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 172 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 172 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 165 |
| Front brake disc in such a condition that it is seriously weakened | 164 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 157 |
| Fuel cap/sealing device sealing washer deteriorated |7.2.4c| | 155 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 154 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 151 |
| Offside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 147 |
| Nearside Front Road wheel fixing missing (5.2.1 (a) (i)) | 143 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 141 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 138 |
| Offside Rear Shock absorbers has a serious fluid leak | 137 |
| Anti-lock braking system warning lamp indicates an ABS fault | 136 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 135 |