| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 358 |
| Headlamp aim out of alignment | 203 |
| Brakes imbalanced across an axle | 71 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 60 |
| Registration plate lamp issues | 54 |
| Brake pipe excessively corroded | 43 |
| Rear brake disc in such a condition that it is seriously weakened | 41 |
| Registration plate issues | 36 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 36 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 36 |
| Front brake disc in such a condition that it is seriously weakened | 33 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 33 |
| Rear brake binding | 25 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 25 |
| Front brake excessively fluctuating | 22 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 21 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 19 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 16 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 15 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 15 |
| Windscreen washer not working | 14 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 13 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 12 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 12 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 12 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 11 |
| Anti-lock braking system warning lamp indicates an ABS fault | 11 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 11 |
| Nearside Rear Shock absorbers has a serious fluid leak | 10 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 10 |
| Rear brake application uneven | 9 |
| Emissions not tested (8.2.1.2 (d)) | 9 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 9 |
| Front brake application uneven | 8 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 8 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 8 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 8 |
| Offside Rear Shock absorbers has a serious fluid leak | 7 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 7 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 7 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 7 |
| Service brake efficiency below requirements |1.2.2 |a| |i|| | 6 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 6 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 6 |
| Electronic stability control warning lamp indicates a fault |7.12 |e|| | 6 |
| Offside Front Position lamp not working |4.2.1 |a|| | 6 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 6 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 6 |
| Rear Mechanical brake component has restricted free movement | 6 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 6 |
| Nearside Rear Service brake excessively binding |1.2.1 |f|| | 6 |
| Parking brake: efficiency below requirements |3.7.B.7| | 6 |
| Centre Rear Seat belt locking mechanism does not secure or release |5.2.5a| | 5 |
| Service brake: efficiency below requirements |3.7.B.7| | 5 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 5 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 5 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 5 |
| Nearside Rear Brake disc significantly and obviously worn |1.1.14 |a| |i|| | 4 |
| Offside Rear Brake disc significantly and obviously worn |1.1.14 |a| |i|| | 4 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 4 |
| Exhaust carbon monoxide content at idle exceeds default limits (8.2.1.2 (b)) | 4 |
| Offside Rear Rear reflector defective or damaged by more than 50% of the reflecting surface (4.8.1 (a) (ii)) | 4 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 4 |
| Offside Rear reflector excessively damaged so that its function is impaired |1.5.1c| | 4 |
| Offside rear brake excessively fluctuating |3.7.B.3| | 4 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 4 |