| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 326 |
| Windscreen wiper does not clear the windscreen effectively | 139 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 40 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 15 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 14 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 14 |
| Registration plate issues | 13 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 12 |
| Anti-lock braking system warning lamp indicates an ABS fault | 9 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 9 |
| Nearside Rear Upper Outline marker lamp not working (4.2.1 (a) (ii)) | 9 |
| Offside Rear Upper Outline marker lamp not working (4.2.1 (a) (ii)) | 8 |
| Parking brake: efficiency below requirements |3.7.B.7| | 7 |
| Registration plate lamp issues | 6 |
| Service brake: efficiency below requirements |3.7.B.7| | 6 |
| Windscreen washer not working | 6 |
| Nearside Rear Upper Position lamp not working (4.2.1 (a) (ii)) | 6 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 5 |
| Nearside Headlamp aim beam image kick up to the offside |1.8| | 5 |
| Engine MIL inoperative or indicates a malfunction |8.2.2.2 |g|| | 5 |
| Offside Rear Upper Position lamp not working (4.2.1 (a) (ii)) | 5 |
| Offside Rear Outline marker lamp not working (4.2.1 (a) (ii)) | 5 |
| Rear brake binding | 4 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 4 |
| Offside Headlamp aim beam image kick up to the offside |1.8| | 4 |
| Service brake efficiency below requirements |1.2.2 |a| |i|| | 3 |
| Nearside Rear Upper Rear position lamp|s| not working |1.1.A.3b| | 3 |
| Offside Rear Upper Outline marker lamp not working |4.2.1 |a|| | 3 |
| Offside Rear Shock absorbers has a serious fluid leak | 3 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 3 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Offside Outline marker lamp not working (4.2.1 (a) (ii)) | 3 |
| Nearside Upper Rear position lamp|s| not working |1.1.A.3b| | 2 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 2 |
| Nearside Rear Position lamp not working |4.2.1 |a|| | 2 |
| Trailer electrical socket damaged so that lead cannot be securely connected |1.9.3b| | 2 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 2 |
| rear parking |secondary| brakes imbalanced | 2 |
| Offside Front Position lamp missing |4.2.1 |a|| | 2 |
| Offside Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 2 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 2 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 2 |
| Nearside Outline marker lamp not working centre (4.2.1 (a) (ii)) | 2 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 2 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 2 |
| Offside Front Outline marker lamp not working (4.2.1 (a) (ii)) | 2 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 2 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 2 |
| Nearside Outline marker lamp not working (4.2.1 (a) (ii)) | 2 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 2 |