| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 253 |
| Headlamp aim out of alignment | 160 |
| Registration plate issues | 88 |
| Registration plate lamp issues | 51 |
| Parking brake lever has no reserve travel |3.1.6b| | 44 |
| Brake pipe excessively corroded | 43 |
| Brakes imbalanced across an axle | 42 |
| Windscreen washer not working | 25 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 22 |
| Rear brake binding | 22 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 20 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 17 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 17 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 16 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 14 |
| Electronic stability system warning lamp indicates a fault |3.4.1c| | 13 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 13 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 13 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 12 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 12 |
| Offside front brake binding |3.7.B.1| | 11 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 11 |
| Parking brake: efficiency below requirements |3.7.B.7| | 10 |
| Rear Mechanical brake component has restricted free movement | 10 |
| Rear brake disc in such a condition that it is seriously weakened | 10 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 10 |
| Front brake disc in such a condition that it is seriously weakened | 10 |
| Windscreen has damage | 10 |
| Nearside front brake binding |3.7.B.1| | 8 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 8 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 8 |
| Nearside Rear Shock absorbers has a serious fluid leak | 8 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 8 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 7 |
| Nearside Front Anti-roll bar linkage insecure |2.4.G.1| | 7 |
| Nearside Headlamp cleaning device inoperative |1.7.2| | 7 |
| Offside Headlamp cleaning device inoperative |1.7.2| | 7 |
| Anti-lock braking system warning lamp indicates an ABS fault | 7 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 6 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 6 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 6 |
| Battery insecure |1.9.1| | 6 |
| Mechanical brake component has restricted free movement | 6 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 5 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 5 |
| Brake performance not tested (1.2.1 (g)) | 5 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 5 |
| Brake hose has insufficient room to move | 4 |
| Exhaust catalytic converter missing where one was fitted as standard |7.1.3| | 4 |
| Nearside Front Anti-roll bar linkage ball joint likely to become detached (5.3.4 (a) (ii)) | 4 |
| Offside Front Position lamp not working |4.2.1 |a|| | 4 |
| Nearside Front front brake binding |3.7.B.1| | 4 |
| Front brake application uneven | 4 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 4 |
| Windscreen wiper blade insecure | 4 |
| Nearside Stop lamp not working |1.2.1b| | 4 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 4 |
| Electronic power steering warning lamp indicates a system malfunction |2.6 |a|| | 4 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 4 |
| Exhaust carbon monoxide content at idle exceeds default limits (8.2.1.2 (b)) | 4 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits |8.2.1.2 |b|| | 4 |
| Front Headlamp cleaning device inoperative |1.7.2| | 4 |