| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 147 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 116 |
| Registration plate lamp issues | 112 |
| Windscreen wiper does not clear the windscreen effectively | 97 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 90 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 75 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 57 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 41 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 40 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 34 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 34 |
| Windscreen washer not working | 28 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 26 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 25 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 25 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 25 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 25 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 21 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 21 |
| Nearside Rear Outline marker lamp not working (4.2.1 (a) (ii)) | 21 |
| Brakes imbalanced across an axle | 21 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 20 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 19 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 18 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 18 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 17 |
| Nearside Front Outline marker lamp not working (4.2.1 (a) (ii)) | 16 |
| Offside Front Outline marker lamp not working (4.2.1 (a) (ii)) | 15 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 14 |
| Nearside Outline marker lamp not working (4.2.1 (a) (ii)) | 14 |
| Offside Rear Outline marker lamp not working (4.2.1 (a) (ii)) | 14 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 13 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 12 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 12 |
| Bonnet cannot be secured in the closed position (3.1 (b) (i)) | 12 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 12 |
| Windscreen damaged and affecting the drivers view of the road (3.2 (a) (ii)) | 12 |
| Nearside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 12 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 11 |
| Offside Outline marker lamp not working (4.2.1 (a) (ii)) | 11 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 11 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 10 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 10 |
| Central Stop lamp(s) not working (4.3.1 (a) (ii)) | 10 |
| Offside Front Side repeater not working (4.4.1 (a) (ii)) | 9 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 9 |
| Registration plate issues | 9 |
| Rear brake disc in such a condition that it is seriously weakened | 9 |
| Brake pipe excessively corroded | 9 |
| Anti-lock braking system warning lamp indicates an ABS fault | 8 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 8 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 8 |
| Nearside Headlamp not working on main beam (4.1.1 (a) (ii)) | 8 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 8 |
| Nearside Side repeater incorrect colour (4.4.3 (a)) | 7 |
| Nearside Obligatory mirror seriously damaged, affecting the rear view (3.3 (b) (ii)) | 7 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 7 |
| Nearside Front Side repeater not working (4.4.1 (a) (ii)) | 7 |
| Nearside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 7 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 7 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 7 |
| Nearside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 6 |
| Nearside Rear Shock absorbers has a serious fluid leak | 6 |
| Brake pedal anti-slip provision worn smooth (1.1.2 (c)) | 6 |
| Nearside Headlamp aim not tested (4.1.2 (b)) | 6 |
| Offside Headlamp not working on main beam (4.1.1 (a) (ii)) | 6 |
| Nearside Rear Outline marker lamp missing (4.2.1 (a) (ii)) | 6 |
| Nearside Front Shock absorbers has a serious fluid leak | 6 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 5 |
| Nearside Front Suspension component ball joint excessively worn (5.3.4 (a) (i)) | 5 |
| Offside Rear Shock absorbers has a serious fluid leak | 5 |
| Horn not working (7.7 (a) (ii)) | 5 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 5 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 4 |
| Front Windscreen damaged and affecting the drivers view of the road (3.2 (a) (ii)) | 4 |
| Nearside Rear Position lamp showing white light to the rear (4.2.3 (a) (ii)) | 4 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 4 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 4 |
| Offside Front Shock absorbers has a serious fluid leak | 4 |
| Nearside Side repeater missing (4.4.1 (a) (ii)) | 4 |
| Offside Obligatory mirror seriously damaged, affecting the rear view (3.3 (b) (ii)) | 4 |
| Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 4 |
| Nearside Reversing lamp inoperative (4.6.1 (a)) | 4 |
| Offside Front Brake hose excessively twisted (1.1.12 (b) (ii)) | 4 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 4 |
| Nearside Front Brake hose excessively twisted (1.1.12 (b) (ii)) | 4 |
| Brake pedal has insufficient reserve travel (1.1.2 (a)) | 4 |
| Offside Side repeater incorrect colour (4.4.3 (a)) | 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 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 4 |
| Horn not working (7.7 (a)) | 4 |
| Nearside Rear Service brake excessively fluctuating (1.2.1 (e)) | 4 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 4 |