| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 481 |
| Headlamp aim out of alignment | 385 |
| Registration plate issues | 224 |
| Registration plate lamp issues | 180 |
| Brakes imbalanced across an axle | 134 |
| Brake pipe excessively corroded | 104 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 76 |
| Parking brake lever has no reserve travel |3.1.6b| | 67 |
| Rear brake binding | 57 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 52 |
| Windscreen washer not working | 45 |
| Nearside Rear Shock absorbers has a serious fluid leak | 42 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 40 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 39 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 39 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 37 |
| Offside Rear Shock absorbers has a serious fluid leak | 36 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 35 |
| Nearside front brake binding |3.7.B.1| | 35 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 34 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 34 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 33 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 32 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 30 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 30 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 28 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 27 |
| Offside front brake binding |3.7.B.1| | 27 |
| Windscreen has damage | 25 |
| Anti-lock braking system warning lamp indicates an ABS fault | 25 |
| Mechanical brake component has restricted free movement | 23 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 22 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 22 |
| Electronic power steering warning lamp indicates a system malfunction (2.6 (a)) | 20 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 19 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 19 |
| Front brake application uneven | 19 |
| Rear brake disc in such a condition that it is seriously weakened | 19 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 18 |
| Headlamp cleaning device inoperative |1.7.2| | 17 |
| Parking brake: efficiency below requirements |3.7.B.7| | 17 |
| Rear parking brake recording little or no effort | 16 |
| Nearside Front Service brake excessively binding |1.2.1 |f|| | 16 |
| Offside Front front brake binding |3.7.B.1| | 13 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 13 |
| Offside Rear Anti-roll bar linkage insecure |2.4.G.1| | 13 |
| Exhaust carbon monoxide content at idle exceeds default limits (8.2.1.2 (b)) | 13 |
| Nearside Front front brake binding |3.7.B.1| | 12 |
| Exhaust carbon monoxide content at idle exceeds manufacturers specified limits (8.2.1.2 (b)) | 12 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 12 |
| Rear Mechanical brake component has restricted free movement | 12 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 12 |
| Front brake disc in such a condition that it is seriously weakened | 12 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 11 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits |8.2.1.2 |b|| | 11 |
| Offside Front Anti-roll bar linkage insecure |2.4.G.1| | 11 |
| Front Headlamp cleaning device inoperative |1.7.2| | 11 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 10 |
| Windscreen wiper blade insecure | 10 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 10 |
| Offside Front Service brake excessively binding |1.2.1 |f|| | 10 |
| Offside Rear Service brake excessively binding |1.2.1 |f|| | 10 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 10 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 10 |
| Nearside Headlamp cleaning device inoperative |1.7.2| | 10 |
| Offside Headlamp cleaning device inoperative |1.7.2| | 10 |
| Rear brake application uneven | 9 |
| Nearside Front Anti-roll bar linkage insecure |2.4.G.1| | 9 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 9 |
| Nearside Headlamp not working on main beam |1.7.5a| | 9 |
| Nearside Front Anti-roll bar linkage fractured (5.3.3 (b) (ii)) | 9 |
| Nearside Front Anti-roll bar linkage fractured |2.4.G.1| | 9 |
| Electronic power steering warning lamp indicates a failure in the system |2.3.8| | 9 |
| Offside Front Shock absorbers has a serious fluid leak | 8 |
| Offside Front Anti-roll bar linkage fractured |2.4.G.1| | 8 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 8 |