| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 202 |
| Headlamp aim out of alignment | 190 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 65 |
| Registration plate lamp issues | 49 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 22 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 20 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 15 |
| Rear brake disc in such a condition that it is seriously weakened | 12 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 10 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 9 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 9 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 9 |
| Offside Rear Service brake excessively fluctuating (1.2.1 (e)) | 8 |
| Nearside Rear Position lamp showing white light to the rear (4.2.3 (a) (ii)) | 8 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 8 |
| Offside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 7 |
| Brakes imbalanced across an axle | 7 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 7 |
| Registration plate issues | 7 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 7 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 7 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 7 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 6 |
| Windscreen washer not working | 6 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 5 |
| Nearside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 5 |
| Nearside Rear Service brake excessively fluctuating (1.2.1 (e)) | 4 |
| Nearside Front Service brake excessively fluctuating (1.2.1 (e)) | 4 |
| Offside Front Headlamp insecure (4.1.1 (c)) | 4 |
| Anti-lock braking system warning lamp indicates an ABS fault | 4 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 4 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 3 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 3 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 3 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 3 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 3 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 3 |
| Offside Rear Position lamp showing white light to the rear (4.2.3 (a) (ii)) | 3 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 3 |
| Front Service brake excessively fluctuating (1.2.1 (e)) | 3 |
| Rear Service brake excessively fluctuating (1.2.1 (e)) | 3 |
| Offside Rear Shock absorbers has a serious fluid leak | 2 |
| Nearside Rear Brake lining(s) less than 1.5 mm thick (1.1.13 (a) (ii)) | 2 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Nearside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 2 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Nearside Headlamp aim unable to be tested (4.1.2 (b)) | 2 |
| Nearside Front Anti-roll bar ball joint excessively worn (5.3.4 (a) (i)) | 2 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 2 |
| Offside Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 2 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 2 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 2 |
| Nearside Front Anti-roll bar linkage insecurely attached (5.3.3 (a) (i)) | 2 |
| Nearside Rear Lower Position lamp not working (4.2.1 (a) (ii)) | 2 |
| Nearside Headlamp insecure (4.1.1 (c)) | 2 |
| Offside Front Side repeater not working (4.4.1 (a) (ii)) | 2 |
| Nearside Front fog lamp likely to become detached (4.5.1 (c) (ii)) | 2 |
| Nearside Rear Shock absorbers has a serious fluid leak | 2 |
| Front brake disc in such a condition that it is seriously weakened | 2 |
| Offside Front Seat belt webbing significantly weakened (7.1.2 (b) (ii)) | 2 |
| Nearside Position lamp showing white light to the rear (4.2.3 (a) (ii)) | 2 |
| Offside Position lamp showing white light to the rear (4.2.3 (a) (ii)) | 2 |
| Nearside Front Headlamp insecure (4.1.1 (c)) | 2 |
| Nearside Rear Stop lamp(s) lens defective such that the emitted light is adversely affected (4.3.1 (b) (ii)) | 2 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 2 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 2 |