| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 1020 |
| Windscreen wiper does not clear the windscreen effectively | 350 |
| Headlamp aim out of alignment | 315 |
| Registration plate lamp issues | 198 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 135 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 97 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 97 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 89 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 87 |
| Registration plate issues | 76 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 74 |
| Nearside Rear coil spring incomplete |2.4.C.1a| | 64 |
| Offside Rear coil spring incomplete |2.4.C.1a| | 62 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 53 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 51 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 49 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 42 |
| Parking brake: efficiency below requirements |3.7.B.7| | 39 |
| Nearside Rear coil spring fractured |2.4.C.1a| | 39 |
| Offside Rear coil spring fractured |2.4.C.1a| | 37 |
| Anti-lock braking system warning lamp indicates an ABS fault | 35 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 35 |
| Brakes imbalanced across an axle | 35 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 34 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 34 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 33 |
| Offside Stop lamp not working |1.2.1b| | 31 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 27 |
| Nearside Stop lamp not working |1.2.1b| | 27 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 27 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 25 |
| Parking brake lever has no reserve travel |3.1.6b| | 23 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 23 |
| Windscreen wiper blade insecure | 22 |
| Nearside Rear coil spring broken |2.4.C.1a| | 22 |
| Offside Rear coil spring broken |2.4.C.1a| | 22 |
| Service brake: efficiency below requirements |3.7.B.7| | 21 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 21 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 20 |
| Emissions not tested |7.0| | 20 |
| Rear fog lamp tell tale not working |1.3.1b| | 19 |
| Offside Rear fog lamp not working |1.3.2b| | 19 |
| Front brake disc in such a condition that it is seriously weakened | 19 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 19 |
| Windscreen has damage | 19 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 18 |
| Offside Rear Stop lamp not working |1.2.1b| | 16 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 16 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 15 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 14 |
| Rear parking brake recording little or no effort | 14 |
| Front position lamp|s| not working |1.1.A.3b| | 14 |
| Rear fog lamp not working |1.3.2b| | 13 |
| Nearside Rear Stop lamp not working |1.2.1b| | 13 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 13 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 13 |
| Nearside Rear Rear wheel bearing rough when rotated |2.6.1| | 12 |
| Offside Rear wheel bearing has excessive play |2.6.2| | 12 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 12 |
| Battery insecure |1.9.1| | 11 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 11 |
| Front brake application uneven | 10 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 10 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 10 |
| Nearside Front Front wheel bearing rough when rotated |2.5.A.2| | 9 |
| Nearside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 9 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 9 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 8 |
| Centre Stop lamp not working |1.2.1b| | 8 |
| Offside Front Front wheel bearing rough when rotated |2.5.A.2| | 8 |
| Offside Rear Rear wheel bearing rough when rotated |2.6.1| | 8 |
| Rear brake binding | 7 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 7 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 7 |
| Offside Front Seat belt damaged sufficient to significantly weakened the webbing |5.2.2a| | 6 |
| Nearside Rear Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 6 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 6 |
| Nearside Front position lamp|s| has less than 50% of the light sources illuminating |1.1.A.3b| | 6 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 6 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 6 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 6 |
| Nearside Side repeater not working |1.4.A.2c| | 6 |
| Offside Rear Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 6 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 6 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 6 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 6 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 6 |
| Fuel pipe leaking |7.2.3| | 6 |