| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 435 |
| Windscreen wiper does not clear the windscreen effectively | 327 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 122 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 94 |
| Registration plate lamp issues | 82 |
| Exhaust emissions exceed default limit of 0.7m-1 (8.2.2.2 (b)) | 69 |
| Registration plate issues | 61 |
| 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)) | 61 |
| Windscreen washer not working | 56 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 47 |
| Offside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 37 |
| Anti-lock braking system warning lamp indicates an ABS fault | 37 |
| Offside 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)) | 35 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 33 |
| Exhaust emissions exceed default limit of 0.7m-1 |8.2.2.2 |b|| | 29 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 24 |
| Brakes imbalanced across an axle | 21 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 20 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 20 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 19 |
| Exhaust emissions exceed manufacturer`s specified limit |8.2.2.2 |a|| | 17 |
| Front brake disc in such a condition that it is seriously weakened | 17 |
| Rear brake disc in such a condition that it is seriously weakened | 17 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 16 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 16 |
| Nearside Front Outline marker lamp not working (4.2.1 (a) (ii)) | 16 |
| Nearside 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)) | 16 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 14 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 14 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 14 |
| Engine MIL inoperative or indicates a malfunction |8.2.2.2 |g|| | 14 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 13 |
| Exhaust emits an excessive level of metered smoke |7.4.B.3a| | 13 |
| Offside Front Track rod end ball joint dust cover insecure so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 13 |
| Offside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 13 |
| Exhaust on a vehicle fitted with a diesel particulate filter emits visible smoke of any colour (8.2.2.2 (d)) | 13 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 13 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 12 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 12 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 12 |
| Nearside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 11 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 10 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 10 |
| Headlamp cleaning device for LED or HID headlamp inoperative (4.1.6 (a) (ii)) | 9 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 9 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 9 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 9 |
| Nearside Front Road wheel fixing missing (5.2.1 (a) (i)) | 8 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 8 |
| Exhaust emissions exceed level of metered smoke for a non-turbo charged engine (8.2.2.2 (b)) | 8 |
| Nearside 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 Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 8 |
| Windscreen has damage | 8 |