| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 3286 |
| Registration plate lamp issues | 1075 |
| Windscreen wiper does not clear the windscreen effectively | 1057 |
| Rear brake binding | 792 |
| Headlamp aim out of alignment | 734 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 271 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 264 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 241 |
| Anti-lock braking system warning lamp indicates an ABS fault | 224 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 210 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 192 |
| Registration plate issues | 154 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 153 |
| Brakes imbalanced across an axle | 138 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 136 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 132 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 129 |
| Rear brake application uneven | 126 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 126 |
| Direction indicators incorrect colour |1.4.A.2f| | 123 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 122 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 111 |
| Parking brake: efficiency below requirements |3.7.B.7| | 110 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 109 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 104 |
| Rear Mechanical brake component has restricted free movement | 97 |
| Parking brake lever has no reserve travel |3.1.6b| | 96 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 95 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 94 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 85 |
| Battery insecure |1.9.1| | 78 |
| Emissions not tested |7.0| | 70 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 66 |
| Service brake: efficiency below requirements |3.7.B.7| | 64 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 64 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 59 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 56 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 55 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 53 |
| Centre Stop lamp not working |1.2.1b| | 52 |
| Nearside Front Direction indicators incorrect colour |1.4.A.2f| | 51 |
| Offside Front Direction indicators incorrect colour |1.4.A.2f| | 50 |
| Offside Rear fog lamp not working |1.3.2b| | 49 |
| Nearside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 48 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 48 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 47 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 46 |
| Nearside Stop lamp not working |1.2.1b| | 46 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 45 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 45 |
| Rear parking brake recording little or no effort | 43 |
| Rear Direction indicators incorrect colour |1.4.A.2f| | 43 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 41 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 40 |
| Windscreen has damage | 40 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 40 |
| Offside Stop lamp not working |1.2.1b| | 40 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 39 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 39 |
| Rear Direction indicator incorrect colour |1.4.A.2f| | 38 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 38 |
| Nearside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 37 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 37 |
| Windscreen wiper blade insecure | 36 |
| Offside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 35 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 35 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 32 |
| Bonnet cannot be secured in the closed position |8.4.1| | 31 |
| Brake hose excessively deteriorated | 31 |
| Front brake application uneven | 30 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 30 |
| Offside Outer Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 30 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 30 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 28 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 27 |
| Nearside Front Lower Suspension arm has excessive play in a pin/bush |2.4.G.2| | 27 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 26 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 25 |
| Offside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 25 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 25 |
| Nearside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 25 |
| Nearside Outer Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 24 |
| Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 23 |
| Front Direction indicators incorrect colour |1.4.A.2f| | 23 |
| Nearside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 23 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 22 |
| Front brake disc in such a condition that it is seriously weakened | 22 |
| Offside Rear An item not tested |Manual| | 22 |
| Offside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 22 |
| Nearside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 21 |
| Nearside Rear Stop lamp not working |1.2.1b| | 21 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 20 |
| Direction indicator incorrect colour |1.4.A.2f| | 20 |
| Rear Exhaust system not adequately supported |7.1.1| | 20 |
| Nearside Rear An item not tested |Manual| | 19 |
| rear brakes release unevenly |3.7.B.4| | 19 |
| Nearside Front Ball joint has excessive play |2.2.B.1f| | 18 |
| Exhaust system not adequately supported |7.1.1| | 18 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 17 |
| Offside Front Seat belt locking mechanism does not secure or release |5.2.5a| | 17 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 17 |