| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 4110 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 3827 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 2320 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 2142 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 1788 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 1762 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 1457 |
| Windscreen wiper does not clear the windscreen effectively | 1448 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 1447 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 980 |
| Windscreen washer not working | 904 |
| Exhaust emissions exceed default limit of 0.7m-1 (8.2.2.2 (b)) | 870 |
| Exhaust emissions exceed manufacturer`s specified limit |8.2.2.2 |a|| | 851 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 798 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 666 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 655 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 625 |
| Offside Rear Axle swivel pins and bushes swivel pin and/or bush excessively worn (5.1.2 (b) (i)) | 611 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 595 |
| Nearside Rear Axle swivel pins and bushes swivel pin and/or bush excessively worn (5.1.2 (b) (i)) | 573 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 544 |
| Exhaust on a vehicle fitted with a diesel particulate filter emits visible smoke of any colour (8.2.2.2 (d)) | 503 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 503 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 496 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 456 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 433 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 424 |
| Registration plate lamp issues | 384 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 373 |
| Exhaust emissions test not completed because smoke levels are significantly in excess of the specified limit values (8.2.2.2 (f)) | 361 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 348 |
| Brakes imbalanced across an axle | 309 |
| Registration plate issues | 297 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 296 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 288 |
| Offside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 273 |
| Nearside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 262 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 238 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 224 |
| Horn not working (7.7 (a)) | 217 |
| Offside Rear Coil spring fractured or broken |5.3.1 |b| |i|| | 206 |
| Exhaust emissions exceed default limit of 0.7m-1 |8.2.2.2 |b|| | 204 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 203 |
| Front brake disc in such a condition that it is seriously weakened | 190 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 176 |
| Nearside Rear Coil spring fractured or broken |5.3.1 |b| |i|| | 159 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 154 |
| Exhaust on a vehicle fitted with a diesel particulate filter emits visible smoke of any colour |8.2.2.2 |d|| | 151 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 150 |
| Nearside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 134 |
| Exhaust emits excessive smoke or vapour likely to obscure the vision of other road users (8.2.2.2 (c)) | 132 |
| Offside Rear Sub-frame pin or bush excessively worn (5.3.4 (a) (i)) | 130 |
| Exhaust emits an excessive level of metered smoke |7.4.B.3a| | 128 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 125 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 122 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 120 |
| Offside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 115 |
| Nearside Rear Sub-frame pin or bush excessively worn (5.3.4 (a) (i)) | 112 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 107 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 106 |
| Nearside Front Service brake excessively fluctuating (1.2.1 (e)) | 102 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 100 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 98 |