| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 334 |
| Headlamp aim out of alignment | 188 |
| Brake pipe excessively corroded | 101 |
| Registration plate lamp issues | 63 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 53 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 52 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 46 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 34 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 23 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 22 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 22 |
| Nearside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 21 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 19 |
| Offside Rear Direction indicator incorrect colour |4.4.3 |a|| | 19 |
| Offside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 18 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 18 |
| Brakes imbalanced across an axle | 17 |
| Nearside Rear Direction indicator incorrect colour |4.4.3 |a|| | 17 |
| Registration plate issues | 16 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 16 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 16 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 15 |
| Anti-lock braking system warning lamp indicates an ABS fault | 14 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 14 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 13 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 13 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 12 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 10 |
| Nearside Rear Wheel bearing rough when rotated |5.1.3 |b| |i|| | 9 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 9 |
| Windscreen washer not working | 9 |
| Service brake: efficiency below requirements |3.7.B.7| | 9 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 8 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 8 |
| Offside Rear fog lamp not working |1.3.2b| | 8 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 8 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 8 |
| Centre Stop lamp not working |1.2.1b| | 8 |
| Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 7 |
| Offside Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 7 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 7 |
| Nearside Stop lamp not working |1.2.1b| | 7 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 7 |
| Nearside Rear Rear wheel bearing rough when rotated |2.6.1| | 7 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 7 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 6 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 6 |
| Offside Rear Wheel bearing rough when rotated |5.1.3 |b| |i|| | 6 |
| Offside Rear Rear wheel bearing rough when rotated |2.6.1| | 6 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 6 |
| Offside Rear Rear fog lamp not working |4.5.1 |a| |ii|| | 6 |
| Central Stop lamp(s) not working (4.3.1 (a) (ii)) | 6 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 6 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 6 |
| Rear Direction indicator incorrect colour both (4.4.3 (a)) | 5 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 5 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 5 |
| Offside Rear fog lamp not working |4.5.1 |a| |ii|| | 5 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 5 |
| Nearside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 5 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 4 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 4 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 4 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 4 |
| Central Stop lamp|s| not working |4.3.1 |a| |ii|| | 4 |
| Front brake disc in such a condition that it is seriously weakened | 4 |
| Offside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 4 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 4 |