| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 6600 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 5476 |
| Windscreen wiper does not clear the windscreen effectively | 3278 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 3005 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 2699 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 2522 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 2397 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 1970 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 1938 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 1805 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 1660 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 1534 |
| Exhaust emissions exceed manufacturer`s specified limit |8.2.2.2 |a|| | 1433 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 1293 |
| Windscreen washer not working | 1274 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 1134 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 1121 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 1065 |
| Exhaust emits an excessive level of metered smoke |7.4.B.3a| | 1052 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 980 |
| Offside Rear Axle swivel pins and bushes swivel pin and/or bush excessively worn (5.1.2 (b) (i)) | 930 |
| Exhaust emissions exceed default limit of 1.5m-1 (8.2.2.2 (b)) | 902 |
| Registration plate issues | 822 |
| Nearside Rear Axle swivel pins and bushes swivel pin and/or bush excessively worn (5.1.2 (b) (i)) | 819 |
| Exhaust on a vehicle fitted with a diesel particulate filter emits visible smoke of any colour (8.2.2.2 (d)) | 816 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 813 |
| Nearside Stop lamp not working |1.2.1b| | 804 |
| Offside Stop lamp not working |1.2.1b| | 781 |
| Exhaust emissions test not completed because smoke levels are significantly in excess of the specified limit values (8.2.2.2 (f)) | 760 |
| Front brake disc in such a condition that it is seriously weakened | 703 |
| Offside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 670 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 663 |
| Registration plate lamp issues | 647 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 639 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 631 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 612 |
| Brakes imbalanced across an axle | 605 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 599 |
| Nearside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 574 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 510 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 490 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 459 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 412 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 411 |
| Offside Rear Stop lamp not working |1.2.1b| | 409 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 391 |
| Nearside Rear Stop lamp not working |1.2.1b| | 379 |
| Horn not working (7.7 (a)) | 368 |
| Offside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 329 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 316 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 313 |
| Nearside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 311 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 309 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 304 |
| Exhaust emissions exceed default limit of 1.5m-1 |8.2.2.2 |b|| | 297 |
| Exhaust on a vehicle fitted with a diesel particulate filter emits visible smoke of any colour |8.2.2.2 |d|| | 268 |
| Offside Front Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 257 |
| Exhaust emits excessive smoke or vapour likely to obscure the vision of other road users (8.2.2.2 (c)) | 247 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 235 |
| Offside Rear Shock absorbers has a serious fluid leak | 226 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 224 |
| Reversing lamp inoperative (4.6.1 (a)) | 223 |
| Exhaust emissions exceed manufacturers specified limit 0.54 (8.2.2.2 (a)) | 215 |
| Offside Rear Sub-frame pin or bush excessively worn (5.3.4 (a) (i)) | 214 |
| Nearside Front Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 210 |
| Nearside Front Service brake excessively fluctuating (1.2.1 (e)) | 208 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 205 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 193 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 190 |
| Nearside Rear Sub-frame pin or bush excessively worn (5.3.4 (a) (i)) | 183 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 183 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 183 |
| Brake pipe excessively corroded | 182 |
| Offside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 181 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 181 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 180 |
| Offside Front Track rod end ball joint has excessive play |2.1.3 |b| |i|| | 176 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 176 |