| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 873 |
| Windscreen wiper does not clear the windscreen effectively | 756 |
| Headlamp aim out of alignment | 476 |
| Brake pipe excessively corroded | 352 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 182 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 155 |
| Registration plate issues | 135 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 133 |
| Nearside Stop lamp not working |1.2.1b| | 128 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 125 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 124 |
| Offside Stop lamp not working |1.2.1b| | 121 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 121 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 118 |
| Nearside Headlamp not working on main beam |1.7.5a| | 108 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 105 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 100 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 94 |
| Anti-lock braking system warning lamp indicates an ABS fault | 89 |
| Rear brake binding | 74 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 74 |
| Brakes imbalanced across an axle | 68 |
| Nearside Rear Stop lamp not working |1.2.1b| | 61 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 58 |
| Offside Rear Stop lamp not working |1.2.1b| | 55 |
| Parking brake lever has no reserve travel |3.1.6b| | 54 |
| Offside Headlamp not working on main beam |1.7.5a| | 54 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 53 |
| Windscreen wiper blade insecure | 43 |
| Parking brake: efficiency below requirements |3.7.B.7| | 43 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 42 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 40 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 40 |
| Emissions not tested |7.0| | 39 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 34 |
| Nearside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 33 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 33 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 30 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 30 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 29 |
| Battery insecure |1.9.1| | 29 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 28 |
| Front brake disc in such a condition that it is seriously weakened | 28 |
| Windscreen has damage | 28 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 26 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 26 |
| Offside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 25 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 24 |
| Nearside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 24 |
| Offside Rear Anti-roll bar linkage fractured |2.4.G.1| | 24 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 22 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 20 |
| Nearside Steering arm has relative movement at its fixings |2.2.B.1h| | 20 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 20 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 20 |
| Offside Steering arm has relative movement at its fixings |2.2.B.1h| | 19 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 18 |
| Nearside Front Steering arm has relative movement at its fixings |2.2.B.1h| | 17 |
| Exhaust emits excessive dense blue smoke during acceleration |7.3.A.2c| | 17 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 17 |
| Offside Rear fog lamp not working |1.3.2b| | 16 |
| Front brake application uneven | 16 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 16 |
| Offside Front Anti-roll bar linkage ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 16 |
| Nearside Front Ball joint has excessive play |2.2.B.1f| | 16 |
| Horn not working |1.6.2a| | 15 |
| Offside Ball joint has excessive play |2.2.B.1f| | 15 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 15 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 15 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 14 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 14 |
| Nearside Ball joint has excessive play |2.2.B.1f| | 14 |
| Service brake: efficiency below requirements |3.7.B.7| | 14 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 14 |
| Offside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 14 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 14 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 13 |
| Nearside Rear Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 13 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 13 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 13 |
| Offside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 13 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 13 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 13 |
| Nearside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 13 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 13 |
| Nearside Front Anti-roll bar linkage ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 12 |
| Offside Front Steering arm has relative movement at its fixings |2.2.B.1h| | 12 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 12 |
| Bonnet cannot be secured in the closed position |8.4.1| | 12 |
| Nearside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 12 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 12 |
| Rear brake disc in such a condition that it is seriously weakened | 11 |
| Offside Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b| | 11 |
| Offside Front coil spring broken |2.4.C.1a| | 11 |
| Nearside Rear Anti-roll bar linkage fractured |2.4.G.1| | 11 |
| Offside Front Ball joint has excessive play |2.2.B.1f| | 11 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 11 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 11 |
| Windscreen has a sticker or other obstruction encroaching by more than 10mm within zone `A` |8.3.1b| | 11 |
| Offside Rear Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 10 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 10 |
| Spare wheel carrier insecure |6.4.2| | 10 |
| Nearside Front Anti-roll bar linkage ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 10 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 10 |
| Offside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 10 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 10 |