| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 1427 |
| Registration plate lamp issues | 624 |
| Headlamp aim out of alignment | 427 |
| Parking brake: efficiency below requirements |3.7.B.7| | 417 |
| Windscreen wiper does not clear the windscreen effectively | 328 |
| Front brake disc in such a condition that it is seriously weakened | 245 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 244 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 208 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 207 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 194 |
| Rear parking brake recording little or no effort | 176 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 169 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 169 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 166 |
| Service brake: efficiency below requirements |3.7.B.7| | 152 |
| Registration plate issues | 147 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 135 |
| Brakes imbalanced across an axle | 133 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 126 |
| Nearside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 117 |
| Offside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 116 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 115 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 114 |
| Offside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 113 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 110 |
| Nearside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 105 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 104 |
| Parking brake lever has no reserve travel |3.1.6b| | 102 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 99 |
| Fuel system component leaking |7.2.3| | 97 |
| Rear brake application uneven | 91 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 91 |
| Nearside Rear Anti-roll bar linkage rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 85 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 83 |
| Offside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 83 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 80 |
| Rear brake binding | 79 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 79 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 78 |
| Horn not working |1.6.2a| | 77 |
| Brake hose excessively deteriorated | 76 |
| Offside Steering rack gaiter split |2.2.D.2d| | 75 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 75 |
| Nearside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 73 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 72 |
| Offside Rear Anti-roll bar linkage rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 71 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 69 |
| Emissions not tested |7.0| | 67 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 65 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 65 |
| Offside Stop lamp not working |1.2.1b| | 65 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 63 |
| Nearside Stop lamp not working |1.2.1b| | 61 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 61 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 60 |
| Windscreen has damage | 55 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 53 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 53 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 52 |
| Nearside Rear Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 51 |
| Nearside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 50 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 50 |
| Nearside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 48 |
| Offside Front Steering rack gaiter split |2.2.D.2d| | 48 |
| Offside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 46 |
| Nearside Headlamp excessively damaged so that the light output is severely reduced |1.7.5a| | 46 |
| Offside Headlamp excessively damaged so that the light output is severely reduced |1.7.5a| | 45 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 44 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 42 |
| Offside Rear Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 41 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 41 |
| Nearside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 41 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 40 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 39 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 38 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 38 |
| Front Direction indicator incorrect colour |1.4.A.2f| | 38 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 38 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 38 |
| Nearside Rear Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 38 |
| Nearside Rear Stop lamp not working |1.2.1b| | 37 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 36 |
| Nearside Front Steering rack gaiter split |2.2.D.2d| | 36 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 35 |
| Windscreen wiper blade insecure | 34 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 34 |
| Power steering malfunctioning |2.3.3a| | 34 |
| Front brake application uneven | 33 |
| Offside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 33 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 32 |
| Nearside Front Direction indicators incorrect colour |1.4.A.2f| | 32 |
| Offside Front Direction indicators incorrect colour |1.4.A.2f| | 32 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 32 |
| Nearside Front position lamp|s| not in good working order |function impaired| |1.1.4a| | 32 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 31 |
| Offside Rear Stop lamp not working |1.2.1b| | 31 |
| Offside Rear fog lamp not working |1.3.2b| | 31 |
| Offside Rear Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 30 |
| Offside Front brake disc excessively pitted |3.5.1h| | 29 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 29 |
| Nearside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 29 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 29 |
| Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 29 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 28 |
| Offside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 28 |
| Offside Headlamp not working on main beam |1.7.5a| | 28 |
| Offside Front position lamp|s| not in good working order |function impaired| |1.1.4a| | 28 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 27 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 27 |
| Offside Front coil spring incomplete |2.4.C.1a| | 27 |
| Offside Front coil spring fractured |2.4.C.1a| | 26 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 26 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 26 |
| Headlamp not in good working order adversely affecting beam image |1.2.4a| | 25 |
| Nearside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 24 |
| Nearside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 24 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 23 |
| Nearside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 23 |
| Parking brake lever releases when knocked |3.1.6a| | 23 |
| Offside Rear coil spring fractured |2.4.C.1a| | 23 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 23 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 23 |
| Nearside Rear Tie bar/rod has excessive play in a pin/bush |2.4.G.2| | 23 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 22 |
| Nearside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 22 |
| Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b| | 22 |
| Offside Rear Braking system leaking |3.6.A.1| | 22 |
| Offside Rear Coil spring mounting corroded and seriously weakened |2.4.C.3c| | 22 |
| Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 21 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 21 |
| Nearside Headlamp not working on main beam |1.7.5a| | 21 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 21 |
| Nearside Headlamp not in a clean condition affecting beam image |1.2.4a| | 21 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 20 |
| Nearside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 20 |
| Nearside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 20 |
| Offside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 20 |
| Nearside Rear Coil spring mounting corroded and seriously weakened |2.4.C.3c| | 20 |
| Offside Front Steering locking device missing |2.2.C.1g| | 19 |
| Offside Rear Body has a sharp edge caused by damage |6.1.C.1| | 19 |
| Nearside Front Headlamp excessively damaged so that the light output is severely reduced |1.7.5a| | 19 |
| Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 19 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 19 |
| Offside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 19 |
| Offside Front Suspension arm rubber bush bonding deteriorated resulting in excessive movement |2.4.G.2| | 19 |
| Nearside Front Suspension arm rubber bush bonding deteriorated resulting in excessive movement |2.4.G.2| | 19 |
| Nearside Rear coil spring fractured |2.4.C.1a| | 18 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 18 |
| Offside Front Headlamp excessively damaged so that the light output is severely reduced |1.7.5a| | 18 |
| Nearside Front Direction indicator incomplete |1.5.A1b| | 18 |
| Offside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 18 |
| Fuel pipe leaking |7.2.3| | 18 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 18 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 18 |
| Nearside Front coil spring fractured |2.4.C.1a| | 17 |
| Stop lamp remains on when the brakes are released | 17 |
| Nearside Rear Body has a sharp edge caused by corrosion |6.1.C.1| | 17 |
| Nearside Front coil spring incomplete |2.4.C.1a| | 17 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 17 |
| Centre Exhaust has part of the system excessively deteriorated |7.1.1a| | 17 |
| Nearside Front Bonded suspension unit bonding failed and part of unit is likely to become displaced |2.4.F.2| | 17 |
| Nearside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 16 |
| Offside Rear Tie bar/rod has excessive play in a pin/bush |2.4.G.2| | 16 |
| Brake hose damaged | 16 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 16 |
| Front Fuel system component leaking |7.2.3| | 16 |
| Brake performance not tested |3.7.A.1| | 16 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 16 |
| Offside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 16 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 16 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 15 |
| Brake hose has insufficient room to move | 15 |
| Nearside Rear Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 15 |
| Nearside Rear Suspension arm severely distorted |2.4.G.1| | 15 |
| Nearside Headlamp aim not tested |1.8.A.1c| | 15 |
| Nearside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 15 |
| Nearside Front Steering locking device missing |2.2.C.1g| | 15 |
| Nearside Front Ball joint has excessive play |2.2.B.1f| | 15 |
| Front position lamp|s| not working |1.1.A.3b| | 15 |
| Nearside Front Body has a sharp edge caused by damage |6.1.C.1| | 14 |
| Offside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 14 |
| Offside Front Body has a sharp edge caused by damage |6.1.C.1| | 14 |
| Offside Headlamp not in a clean condition affecting beam image |1.2.4a| | 14 |
| Rear Mechanical brake component has restricted free movement | 14 |
| Rear Exhaust has a part missing |7.1.1a| | 14 |
| Offside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 14 |
| Offside Front Ball joint has excessive play |2.2.B.1f| | 14 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 14 |
| Offside Rear Tie bar/rod rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 13 |
| Nearside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 13 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 13 |
| Nearside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 13 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 13 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 13 |
| Direction indicator incorrect colour |1.4.A.2f| | 13 |
| Offside Front Suspension arm rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 12 |
| Rear Exhaust system not adequately supported |7.1.1| | 12 |
| Nearside Front Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 12 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 12 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 12 |
| Nearside Front Brake hose twisted |found during steering lock to lock check| |2.2.D.2b| | 12 |
| Offside Headlamp aim not tested |1.8.A.1c| | 12 |
| An item not tested |Manual| | 12 |
| Steering system excessively rough |2.2.D.1| | 12 |
| Offside Front Brake hose twisted |found during steering lock to lock check| |2.2.D.2b| | 12 |
| Nearside Front Headlamp not in a clean condition affecting beam image |1.2.4a| | 12 |
| Offside Front Seat belt retracting mechanism defective |5.2.5b| | 12 |
| Nearside Rear Braking system leaking |3.6.A.1| | 12 |
| Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 11 |
| Offside Front Direction indicator incomplete |1.5.A1b| | 11 |
| Nearside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 11 |
| Nearside Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b| | 11 |
| Offside Front Front wheel bearing rough when rotated |2.5.A.2| | 11 |
| Offside Rear Brake pipe leaking |3.6.A.1| | 11 |
| Power steering pump drive system defective |2.3.6| | 11 |
| Offside Front Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 11 |
| Position lamp switch insecure |1.1.A.1| | 11 |
| Fuel hose leaking |7.2.3| | 11 |
| Rear Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 11 |
| Offside Front Bonded suspension unit bonding failed and part of unit is likely to become displaced |2.4.F.2| | 11 |
| Brake master cylinder fluid level below minimum level |3.6.G.1e| | 11 |
| Offside Front Lower Suspension arm has excessive play in a pin/bush |2.4.G.2| | 11 |
| Offside Rear coil spring incomplete |2.4.C.1a| | 11 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 11 |