| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 273 |
| Headlamp aim out of alignment | 113 |
| Brake pipe excessively corroded | 80 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 23 |
| Brakes imbalanced across an axle | 18 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 18 |
| Registration plate lamp issues | 18 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 17 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 16 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 16 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 15 |
| Horn not working (7.7 (a) (ii)) | 14 |
| Front brake disc in such a condition that it is seriously weakened | 11 |
| Horn not working |7.7 |a| |ii|| | 11 |
| Windscreen washer not working | 9 |
| Horn not working (7.7 (a)) | 9 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 9 |
| Horn not working |1.6.2a| | 8 |
| Offside Stop lamp not working |1.2.1b| | 8 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 8 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 8 |
| Registration plate issues | 7 |
| Nearside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 7 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 7 |
| Offside Front Seat belt buckle not functioning as intended (7.1.2 (d)) | 6 |
| Horn sound not in accordance with requirements (7.7 (c)) | 5 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 5 |
| Offside Front Suspension arm pin or bush excessively worn rear bush (5.3.4 (a) (i)) | 5 |
| Offside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 5 |
| Offside Rear Shock absorbers has a serious fluid leak | 4 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 4 |
| Anti-lock braking system warning lamp indicates an ABS fault | 4 |
| Offside Front Position lamp not working |4.2.1 |a|| | 4 |
| Nearside Stop lamp not working |1.2.1b| | 4 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 4 |
| Nearside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 3 |
| Nearside Front Bumper insecure (6.1.4 (a) (i)) | 3 |
| Nearside Rear Wheel bearing rough when rotated |5.1.3 |b| |i|| | 3 |
| Brake pedal has insufficient reserve travel (1.1.2 (a)) | 3 |
| Nearside Rear Shock absorbers has a serious fluid leak | 3 |
| Offside Headlamp insecure |1.7.3| | 3 |
| Offside Headlamp insecure (4.1.1 (c)) | 3 |
| Offside Front Steering locking device missing (2.1.3 (d)) | 3 |
| Offside Rear Rear wheel bearing rough when rotated |2.6.1| | 3 |
| Nearside Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 3 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 3 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 3 |
| Nearside Front Suspension arm pin or bush excessively worn rear bush (5.3.4 (a) (i)) | 3 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 3 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 3 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 3 |
| Offside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 3 |
| Nearside Rear Stop lamp not working |1.2.1b| | 3 |