| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 70 |
| Headlamp aim out of alignment | 63 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 33 |
| Windscreen washer not working | 28 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 21 |
| Brake pipe excessively corroded | 16 |
| Registration plate lamp issues | 14 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 13 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 11 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 11 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 10 |
| Offside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 10 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 8 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 8 |
| Brakes imbalanced across an axle | 7 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 7 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 7 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 6 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 6 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 6 |
| Anti-lock braking system warning lamp indicates an ABS fault | 5 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 5 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 5 |
| Front brake disc in such a condition that it is seriously weakened | 5 |
| Nearside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 5 |
| Nearside Front Service brake excessively fluctuating (1.2.1 (e)) | 5 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 5 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 5 |
| Central Stop lamp(s) not working (4.3.1 (a) (ii)) | 4 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 4 |
| Offside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 4 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 4 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 4 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 4 |
| Windscreen damaged and affecting the drivers view of the road (3.2 (a) (ii)) | 4 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 3 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 3 |
| Exhaust emissions exceed default limit of 0.7m-1 (8.2.2.2 (b)) | 3 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 3 |
| Rear brake disc in such a condition that it is seriously weakened | 3 |
| Upper Stop lamp(s) not working (4.3.1 (a) (ii)) | 3 |
| Power steering fluid reservoir empty (2.1.5 (b) (ii)) | 3 |
| Offside Obligatory mirror seriously damaged, affecting the rear view (3.3 (b) (ii)) | 3 |
| Offside Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 3 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 3 |
| Power steering pipe/hose leaking (2.1.5 (a)) | 3 |
| Registration plate issues | 3 |
| Rear Reversing lamp inoperative (4.6.1 (a)) | 2 |
| Reversing lamp inoperative (4.6.1 (a)) | 2 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 2 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 2 |
| Nearside Front Steering rack gaiter missing or no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 2 |
| Nearside Obligatory mirror does not provide a view to the rear (3.3 (c)) | 2 |
| Offside Front Brake hose excessively twisted (1.1.12 (b) (ii)) | 2 |
| Exhaust diesel particulate filter shows evidence of tampering. (8.2.2.1 (c)) | 2 |
| Nearside Front Lower Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 2 |
| Offside Front Lower Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 2 |
| Nearside Front Wheel bearing so rough it is likely to overheat or break up (5.1.3 (b) (ii)) | 2 |
| Offside Front Obligatory mirror seriously damaged, affecting the rear view (3.3 (b) (ii)) | 2 |
| Offside Front Power steering pipe/hose leaking (2.1.5 (a)) | 2 |
| Offside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 2 |
| Front Service brake excessively fluctuating (1.2.1 (e)) | 2 |
| Nearside Front Suspension arm pin or bush excessively worn rear bush (5.3.4 (a) (i)) | 2 |
| Offside Front Track rod end ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 2 |
| Nearside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Trailer electrical socket (13 pin) not operating the trailer lamps as intended (4.10 (c) (i)) | 2 |
| Power steering inoperative and steering adversely affected (2.1.5 (c) (ii)) | 2 |
| Front Windscreen in an unacceptable condition (3.2 (c) (i)) | 2 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 2 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 2 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt split (6.1.7 (g) (ii)) | 2 |
| Nearside Obligatory mirror seriously damaged, affecting the rear view (3.3 (b) (ii)) | 2 |
| Nearside Obligatory mirror missing (3.3 (a)) | 2 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 2 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 2 |
| Windscreen wiper not working (3.4 (a)) | 2 |
| Offside Headlamp insecure (4.1.1 (c)) | 2 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 2 |
| Offside Front Headlamp insecure (4.1.1 (c)) | 2 |
| Exhaust on a vehicle fitted with a diesel particulate filter emits visible smoke of any colour (8.2.2.2 (d)) | 2 |
| Nearside Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Nearside Obligatory mirror seriously damaged, affecting the rear view |3.3 |b| |ii|| | 2 |
| Offside Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 2 |
| Nearside Headlamp aim unable to be tested (4.1.2 (b)) | 2 |
| Electronic braking system warning device indicates a fault (1.7 (b)) | 2 |
| Nearside Rear Position lamp adversely affected by the operation of another lamp (4.2.3 (c)) | 2 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 2 |
| Offside Rear Position lamp adversely affected by the operation of another lamp (4.2.3 (c)) | 2 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 2 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 2 |
| Nearside Front Prop shaft joint constant velocity boot no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 2 |
| Nearside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 2 |
| Nearside Front Inner Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 2 |
| Offside Front Inner Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 2 |
| Offside Front Lower Suspension arm pin or bush excessively worn rear bush (5.3.4 (a) (i)) | 2 |
| Nearside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Hazard warning switch inoperative (4.4.2 (a) (ii)) | 2 |