| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 490 |
| Headlamp aim out of alignment | 429 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 255 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 251 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 207 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 206 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 195 |
| Registration plate lamp issues | 166 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 142 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 137 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 127 |
| Offside Stop lamp not working |1.2.1b| | 123 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 114 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 113 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 112 |
| Exhaust emissions exceed manufacturer`s specified limit |8.2.2.2 |a|| | 105 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 98 |
| Nearside Stop lamp not working |1.2.1b| | 95 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 85 |
| Offside Rear Stop lamp not working |1.2.1b| | 78 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 65 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 65 |
| Registration plate issues | 64 |
| Exhaust emissions exceed default limit of 1.5m-1 (8.2.2.2 (b)) | 56 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 53 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 52 |
| Exhaust emits an excessive level of metered smoke |7.4.B.3a| | 52 |
| Windscreen washer not working | 49 |
| Front brake disc in such a condition that it is seriously weakened | 47 |
| Offside Rear Coil spring fractured or broken |5.3.1 |b| |i|| | 47 |
| Offside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 44 |
| Nearside Rear Coil spring fractured or broken |5.3.1 |b| |i|| | 40 |
| Brakes imbalanced across an axle | 37 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 36 |
| Nearside Rear Stop lamp not working |1.2.1b| | 35 |
| Nearside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 34 |
| Nearside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 31 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 31 |
| Exhaust on a vehicle fitted with a diesel particulate filter emits visible smoke of any colour (8.2.2.2 (d)) | 30 |
| Exhaust emissions test not completed because smoke levels are significantly in excess of the specified limit values (8.2.2.2 (f)) | 29 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 27 |
| Exhaust emissions exceed default limit of 1.5m-1 |8.2.2.2 |b|| | 25 |
| Offside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 25 |
| Offside Rear coil spring broken |2.4.C.1a| | 24 |
| Nearside Rear coil spring broken |2.4.C.1a| | 23 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 22 |
| Offside Front Track rod end ball joint has excessive play |2.1.3 |b| |i|| | 21 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 20 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 20 |
| Exhaust on a vehicle fitted with a diesel particulate filter emits visible smoke of any colour |8.2.2.2 |d|| | 19 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 19 |
| Offside Front Seat belt webbing significantly weakened (7.1.2 (b) (ii)) | 19 |
| Nearside Rear Axle swivel pins and bushes swivel pin and/or bush excessively worn (5.1.2 (b) (i)) | 19 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 18 |
| Offside Rear Axle swivel pins and bushes swivel pin and/or bush excessively worn (5.1.2 (b) (i)) | 18 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 16 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 15 |
| Offside Rear Shock absorbers has a serious fluid leak | 15 |
| Central Rear Seat belt buckle not functioning as intended (7.1.2 (d)) | 15 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 15 |
| Nearside Front Coil spring fractured or broken |5.3.1 |b| |i|| | 15 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 14 |
| Nearside Front Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 14 |