| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 71 |
| Windscreen wiper does not clear the windscreen effectively | 39 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 22 |
| Parking brake: efficiency below requirements |3.7.B.7| | 22 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 17 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 16 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 14 |
| Rear parking brake recording little or no effort | 14 |
| Offside Rear Shock absorbers has a serious fluid leak | 13 |
| Nearside Front Shock absorbers has a serious fluid leak | 13 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 12 |
| Windscreen has damage | 11 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 11 |
| Offside Front Shock absorbers has a serious fluid leak | 10 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 10 |
| Brakes imbalanced across an axle | 8 |
| Brake pipe excessively corroded | 8 |
| Parking brake lever has no reserve travel |3.1.6b| | 8 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 7 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 7 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 7 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 6 |
| Registration plate issues | 6 |
| Nearside Rear Shock absorbers has a serious fluid leak | 6 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 5 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 5 |
| Registration plate lamp issues | 5 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 5 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 5 |
| Rear brake disc in such a condition that it is seriously weakened | 5 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 5 |
| Nearside Rear brake caliper has restricted free movement |3.5.1k| | 4 |
| Offside Rear brake caliper has restricted free movement |3.5.1k| | 4 |
| Offside Front Position lamp not working |4.2.1 |a|| | 4 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 4 |
| Rear Mechanical brake component has restricted free movement | 3 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 3 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 3 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 3 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 3 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 3 |
| Front brake application uneven | 2 |
| Nearside Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 2 |
| Headlamp cleaning device inoperative |1.7.2| | 2 |
| Nearside Front position lamp|s| has less than 50% of the light sources illuminating |1.1.A.3b| | 2 |
| Front brake excessively fluctuating | 2 |
| Rear fog lamp not working |1.3.2b| | 2 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 2 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 2 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 2 |
| Nearside Rear Stop lamp not working |1.2.1b| | 2 |
| Service brake: efficiency below requirements |3.7.B.7| | 2 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 2 |
| Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 2 |
| Rear Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 2 |
| Parking brake lever has excessive movement indicating incorrect adjustment |1.1.6 |c|| | 2 |
| Front brake disc in such a condition that it is seriously weakened | 2 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 2 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 2 |
| Anti-lock braking system warning lamp indicates an ABS fault | 2 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 2 |
| Nearside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 2 |
| Offside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 2 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 2 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |