| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 606 |
| Headlamp aim out of alignment | 376 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 177 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 171 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 135 |
| Windscreen washer not working | 65 |
| Anti-lock braking system warning lamp indicates an ABS fault | 51 |
| Registration plate issues | 48 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 43 |
| Registration plate lamp issues | 35 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 30 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 26 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 24 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 23 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 22 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 21 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 20 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 20 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 18 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 17 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 16 |
| Brake pedal anti-slip provision missing (1.1.2 (c)) | 15 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 15 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 15 |
| Nearside Rear Shock absorbers has a serious fluid leak | 14 |
| Offside Rear Shock absorbers has a serious fluid leak | 13 |
| Brakes imbalanced across an axle | 13 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 12 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 11 |
| Offside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 10 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 10 |
| Headlamp cleaning device for LED or HID headlamp inoperative (4.1.6 (a) (ii)) | 10 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 10 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 10 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 9 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 9 |
| Offside Front Road wheel fixing missing (5.2.1 (a) (i)) | 9 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 9 |
| Central Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 8 |
| Emissions unable to be completed (8.2.1.2 (d)) | 8 |
| Offside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 8 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 8 |
| Offside Front Position lamp not working |4.2.1 |a|| | 8 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 8 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 8 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 8 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 8 |