| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 3691 |
| Brake pipe excessively corroded | 2350 |
| Headlamp aim out of alignment | 1963 |
| Registration plate lamp issues | 1441 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 1140 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 1059 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 884 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 731 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 702 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 613 |
| Brakes imbalanced across an axle | 416 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 398 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 310 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 287 |
| Windscreen washer not working | 265 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 228 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 223 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 193 |
| Registration plate issues | 186 |
| Front brake disc in such a condition that it is seriously weakened | 185 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 166 |
| Offside Stop lamp not working |1.2.1b| | 153 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 145 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 144 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 140 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 135 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 134 |
| Nearside Stop lamp not working |1.2.1b| | 133 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 127 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 123 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 121 |
| Offside Front Position lamp not working |4.2.1 |a|| | 105 |
| Offside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 100 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 95 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 93 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 88 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 87 |
| Parking brake lever has no reserve travel |3.1.6b| | 86 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 85 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 82 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 81 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 79 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 78 |
| Offside Rear Stop lamp not working |1.2.1b| | 73 |
| Nearside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 68 |
| Rear brake binding | 68 |
| Nearside Front Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 66 |
| Rear brake disc in such a condition that it is seriously weakened | 62 |
| Offside Front Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 59 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 58 |
| Nearside Rear Stop lamp not working |1.2.1b| | 56 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 55 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 51 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 51 |
| Nearside Rear Shock absorbers has a serious fluid leak | 50 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 50 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 49 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 48 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 48 |