| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 107 |
| Headlamp aim out of alignment | 87 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 38 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 22 |
| Registration plate issues | 16 |
| Reversing lamp inoperative (4.6.1 (a)) | 15 |
| Registration plate lamp issues | 14 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 8 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 7 |
| Windscreen washer not working | 6 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 6 |
| Offside Front Outline marker lamp not working (4.2.1 (a) (ii)) | 6 |
| Nearside Front Outline marker lamp not working (4.2.1 (a) (ii)) | 6 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 6 |
| Stop lamp(s) all not working (4.3.1 (a) (iii)) | 5 |
| All outline marker lamps not working (4.2.1 (a) (ii)) | 5 |
| Fuel tank leaking (6.1.3 (b) (i)) | 5 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 4 |
| Offside Rear Upper Outline marker lamp not working (4.2.1 (a) (ii)) | 4 |
| Stop lamp(s) switch with a delay in operation (4.3.2 (a) (ii)) | 4 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 3 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 3 |
| Nearside Rear Outline marker lamp not working (4.2.1 (a) (ii)) | 3 |
| Offside Rear Outline marker lamp not working (4.2.1 (a) (ii)) | 3 |
| Nearside Front Upper Outline marker lamp not working (4.2.1 (a) (ii)) | 3 |
| Offside Front Upper Outline marker lamp not working (4.2.1 (a) (ii)) | 3 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 3 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 3 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 3 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 2 |
| Nearside All outline marker lamps not working (4.2.1 (a) (ii)) | 2 |
| Offside All outline marker lamps not working (4.2.1 (a) (ii)) | 2 |
| Nearside Rear Shock absorbers has a serious fluid leak | 2 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 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 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 2 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 2 |
| Trailer electrical socket (13 pin) not operating the trailer lamps as intended (4.10 (c) (i)) | 2 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 2 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 2 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 2 |