| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 249 |
| Registration plate lamp issues | 206 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 178 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 171 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 152 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 143 |
| Windscreen wiper does not clear the windscreen effectively | 94 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 73 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 72 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 65 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 61 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 56 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 56 |
| Nearside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 50 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 50 |
| Offside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 47 |
| Windscreen washer not working | 41 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 40 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 38 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 37 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 34 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 22 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 22 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 22 |
| Nearside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 21 |
| Front brake disc in such a condition that it is seriously weakened | 21 |
| Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 19 |
| Offside Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 18 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 18 |
| Offside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 17 |
| Brake pedal anti-slip provision missing (1.1.2 (c)) | 15 |
| Offside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 14 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 14 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 14 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 13 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 13 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 12 |
| Oil leaking excessively from engine (8.4.1 (a) (i)) | 12 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 11 |
| Registration plate issues | 11 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 10 |
| Nearside Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 10 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 10 |
| Reversing lamp inoperative (4.6.1 (a)) | 9 |
| Nearside Front Headlamp aim not tested (4.1.2 (b)) | 9 |
| Brakes imbalanced across an axle | 9 |
| Nearside Headlamp aim not tested (4.1.2 (b)) | 9 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 9 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 8 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 8 |
| Nearside Front Service brake excessively fluctuating (1.2.1 (e)) | 8 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 7 |
| Nearside Headlamp aim projected beam image is obviously incorrect |4.1.2 |c|| | 7 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 7 |
| Nearside Stop lamp not working |1.2.1b| | 7 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 7 |