| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 314 |
| Headlamp aim out of alignment | 231 |
| Parking brake lever has no reserve travel |3.1.6b| | 81 |
| Registration plate issues | 73 |
| Parking brake: efficiency below requirements |3.7.B.7| | 72 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 71 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 63 |
| Rear parking brake recording little or no effort | 55 |
| Brakes imbalanced across an axle | 42 |
| Registration plate lamp issues | 42 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 41 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 39 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 39 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 34 |
| Rear brake binding | 33 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 29 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 29 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 28 |
| Rear brake disc in such a condition that it is seriously weakened | 27 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 27 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 26 |
| Front brake disc in such a condition that it is seriously weakened | 21 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 21 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 21 |
| Electronic stability system warning lamp indicates a fault |3.4.1c| | 18 |
| Rear brake application uneven | 15 |
| Front brake application uneven | 15 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 14 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 13 |
| Battery insecure |1.9.1| | 12 |
| Offside Rear fog lamp not working |1.3.2b| | 12 |
| Nearside Rear brake caliper has restricted free movement |3.5.1k| | 11 |
| Power steering pump leaking from a failed component |2.3.3b| | 10 |
| Offside Front Position lamp not working |4.2.1 |a|| | 10 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 10 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 10 |
| Service brake: efficiency below requirements |3.7.C.1a| | 9 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 9 |
| Parking brake lever has excessive movement indicating incorrect adjustment |1.1.6 |c|| | 9 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 8 |
| Rear Mechanical brake component has restricted free movement | 8 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 8 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 7 |
| Electronic stability control warning lamp indicates a fault |7.12 |e|| | 7 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 7 |
| Power steering pump leaking from a failed seal |2.3.3b| | 7 |
| Brake pipe excessively corroded | 7 |
| Windscreen has damage | 7 |
| Offside Rear Shock absorbers has a serious fluid leak | 7 |
| Central Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 7 |
| Rear Parking brake lever has no reserve travel |3.1.6b| | 6 |
| Anti-lock braking system warning lamp indicates an ABS fault | 6 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 6 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 6 |
| Windscreen washer not working | 6 |
| Brake performance not tested |3.7.A.1| | 5 |
| Offside Rear Wheel nut|s| missing |4.2.A.1e| | 5 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 5 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 5 |
| Offside Rear Rear position lamp|s| not working |1.1.A.3b| | 5 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 5 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt |5.3.4 |b| |ii|| | 5 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 5 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 5 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 5 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 5 |