| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 224 |
| Windscreen wiper does not clear the windscreen effectively | 217 |
| Registration plate issues | 37 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 22 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 22 |
| Brakes imbalanced across an axle | 17 |
| Parking brake lever has no reserve travel |3.1.6b| | 12 |
| Windscreen washer not working | 10 |
| Parking brake: efficiency below requirements |3.7.B.7| | 9 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 9 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 9 |
| Offside Front Position lamp not working |4.2.1 |a|| | 8 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 8 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 8 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 7 |
| Offside Rear Shock absorbers has a serious fluid leak | 6 |
| Front Brake disc significantly and obviously worn |1.1.14 |a| |i|| | 5 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 5 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 5 |
| Registration plate lamp issues | 5 |
| Front brake disc in such a condition that it is seriously weakened | 5 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 5 |
| Offside Front Road wheel fixing missing (5.2.1 (a) (i)) | 5 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 5 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 4 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 4 |
| Windscreen has damage | 4 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 4 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 4 |
| Rear brake application uneven | 4 |
| Nearside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 4 |
| Offside Headlamp light intensity severely reduced (4.1.4 (a)) | 4 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 4 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 4 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 4 |
| Brake pipe excessively corroded | 4 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 4 |
| Nearside Rear brake caliper has restricted free movement |3.5.1k| | 3 |
| Offside Rear brake caliper has restricted free movement |3.5.1k| | 3 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 3 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 3 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 3 |
| Rear parking brake recording little or no effort | 3 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 3 |
| Parking brake lever has excessive movement indicating incorrect adjustment |1.1.6 |c|| | 3 |
| Battery insecure |1.9.1| | 3 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 3 |
| Nearside Rear Shock absorbers has a serious fluid leak | 3 |
| Nearside Front Shock absorbers has a serious fluid leak | 3 |
| Brake pedal has insufficient reserve travel (1.1.2 (a)) | 3 |
| Anti-lock braking system warning lamp indicates an ABS fault | 3 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 3 |
| Rear brake disc in such a condition that it is seriously weakened | 3 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 3 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 3 |
| Nearside Rear Service brake excessively fluctuating (1.2.1 (e)) | 3 |
| Exhaust carbon monoxide content at idle exceeds default limits (8.2.1.2 (b)) | 3 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 3 |
| Emissions not tested (8.2.1.2 (d)) | 3 |
| Offside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 3 |