| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 118 |
| Headlamp aim out of alignment | 109 |
| Windscreen wiper does not clear the windscreen effectively | 99 |
| Parking brake: efficiency below requirements |3.7.B.7| | 58 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 45 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 44 |
| Brake pipe excessively corroded | 42 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 41 |
| Rear parking brake recording little or no effort | 37 |
| Offside Rear Leaf spring fractured |2.4.B.1a| | 30 |
| Nearside Rear Leaf spring fractured |2.4.B.1a| | 27 |
| Offside Rear Leaf spring fractured (5.3.1 (b) (i)) | 22 |
| Parking brake lever has no reserve travel |3.1.6b| | 21 |
| Rear brake binding | 19 |
| Nearside Rear Leaf spring cracked |2.4.B.1a| | 18 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 16 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 15 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 15 |
| Nearside Rear Leaf spring fractured (5.3.1 (b) (i)) | 15 |
| Offside Rear Leaf spring cracked |2.4.B.1a| | 14 |
| Registration plate issues | 14 |
| Brakes imbalanced across an axle | 14 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 14 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 12 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 12 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 10 |
| Anti-lock braking system warning lamp indicates an ABS fault | 10 |
| Offside Rear Leaf spring fractured |5.3.1 |b| |i|| | 9 |
| Offside Front Position lamp not working |4.2.1 |a|| | 9 |
| Front brake disc in such a condition that it is seriously weakened | 9 |
| Windscreen washer not working | 9 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 8 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 8 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 8 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 8 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 8 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 8 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 7 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 7 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 7 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 7 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 7 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 6 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt |5.3.4 |b| |ii|| | 6 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 6 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 6 |
| Offside Front Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 6 |
| Offside Rear reflector missing (4.8.2 (a) (ii)) | 6 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 6 |
| Nearside Parking brake inoperative on one side |1.4.1 |a|| | 5 |
| Brake pedal anti-slip provision incomplete |3.3.A.1b| | 5 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 5 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 5 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 5 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 5 |
| Nearside Front Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 5 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 5 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 5 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 5 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 4 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt |5.3.4 |b| |ii|| | 4 |
| Offside Rear fog lamp not working |1.3.2b| | 4 |
| Offside Rear reflector missing |1.5.1a| | 4 |
| Nearside Front Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b| | 4 |
| Nearside Rear Leaf spring fractured |5.3.1 |b| |i|| | 4 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 4 |
| Parking brake lever has excessive movement indicating incorrect adjustment |1.1.6 |c|| | 4 |
| Front brake excessively fluctuating | 4 |
| Nearside Front Anti-roll bar linkage ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 4 |
| Offside Stop lamp not working |1.2.1b| | 4 |
| Offside Rear Rear reflector defective or damaged by more than 50% of the reflecting surface (4.8.1 (a) (ii)) | 4 |
| Nearside Front Lower Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 4 |
| Offside Front Upper Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 4 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 4 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 4 |
| Nearside Front Upper Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 4 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 4 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 4 |
| Nearside Side repeater incorrect colour (4.4.3 (a)) | 4 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 3 |
| Nearside Rear reflector excessively damaged so that its function is impaired |1.5.1c| | 3 |
| Offside Front Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b| | 3 |
| Rear brake disc in such a condition that it is seriously weakened | 3 |
| Service brake: efficiency below requirements |3.7.B.7| | 3 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 3 |
| Offside Steering rack gaiter insecure |2.2.D.2d| | 3 |
| Offside front brake binding |3.7.B.1| | 3 |
| Nearside Rear reflector missing |1.5.1a| | 3 |
| Rear fog lamp not working |1.3.2b| | 3 |
| Nearside Front Anti-roll bar linkage ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 3 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect |4.1.2 |c|| | 3 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 3 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Nearside Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Nearside Rear Rear reflector defective or damaged by more than 50% of the reflecting surface (4.8.1 (a) (ii)) | 3 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 3 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 3 |
| Nearside Headlamp light intensity severely reduced (4.1.4 (a)) | 3 |
| Offside Headlamp light intensity severely reduced (4.1.4 (a)) | 3 |