| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 3321 |
| Headlamp aim out of alignment | 1720 |
| Brake pipe excessively corroded | 526 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 427 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 416 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 250 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 244 |
| Registration plate lamp issues | 235 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 204 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 186 |
| Windscreen washer not working | 170 |
| Brakes imbalanced across an axle | 162 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 149 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 148 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 148 |
| Registration plate issues | 139 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 124 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 121 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 95 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 88 |
| Front brake disc in such a condition that it is seriously weakened | 79 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 53 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 52 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 51 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 50 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 49 |
| Parking brake lever has excessive movement indicating incorrect adjustment |1.1.6 |c|| | 49 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 47 |
| Offside Front Position lamp not working |4.2.1 |a|| | 39 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 39 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 39 |
| Brake lever has insufficient reserve travel |1.1.2 |a|| | 38 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 35 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 35 |
| Parking brake lever has no reserve travel |3.1.6b| | 35 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 35 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 35 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 34 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 31 |
| Offside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 31 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 28 |
| Offside Rear Shock absorbers has a serious fluid leak | 28 |