| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 189 |
| Headlamp aim out of alignment | 159 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 32 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 18 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 16 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 15 |
| Registration plate issues | 13 |
| Registration plate lamp issues | 13 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 7 |
| Nearside Rear Outline marker lamp not working (4.2.1 (a) (ii)) | 6 |
| Nearside Front Outline marker lamp not working (4.2.1 (a) (ii)) | 6 |
| Stop lamp(s) all not working (4.3.1 (a) (iii)) | 6 |
| Offside Rear Outline marker lamp not working (4.2.1 (a) (ii)) | 5 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 5 |
| Offside Front Upper Outline marker lamp not working (4.2.1 (a) (ii)) | 4 |
| Offside Front Outline marker lamp not working (4.2.1 (a) (ii)) | 4 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 4 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 4 |
| Nearside Front Upper Outline marker lamp not working (4.2.1 (a) (ii)) | 3 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 3 |
| Reversing lamp inoperative (4.6.1 (a)) | 3 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 3 |
| Nearside Outline marker lamp not working (4.2.1 (a) (ii)) | 3 |
| Windscreen washer not working | 3 |
| All outline marker lamps not working (4.2.1 (a) (ii)) | 3 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 3 |
| Nearside Rear Shock absorbers has a serious fluid leak | 3 |
| Nearside Rear reflector missing (4.8.2 (a) (ii)) | 3 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 3 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 3 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 3 |
| Offside Outline marker lamp not working (4.2.1 (a) (ii)) | 2 |
| Offside Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Nearside Rear Upper Outline marker lamp does not illuminate simultaneously with the position lamps (4.2.2 (a)) | 2 |
| Nearside Rear Upper Position lamp not working (4.2.1 (a) (ii)) | 2 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 2 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 2 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 2 |
| Nearside Upper Outline marker lamp not working (4.2.1 (a) (ii)) | 2 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 2 |
| Offside Rear Shock absorbers has a serious fluid leak | 2 |
| Drivers view of the road through the swept area of the windscreen significantly affected by an obstruction (3.1 (a) (ii)) | 2 |
| Nearside Front Upper Position lamp not working (4.2.1 (a) (ii)) | 2 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 2 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 2 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 2 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Fuel tank leaking excessively or a risk of fire (6.1.3 (b) (ii)) | 2 |
| Brakes imbalanced across an axle | 2 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 2 |