| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 425 |
| Brakes imbalanced across an axle | 205 |
| Horn not working |1.6.2a| | 187 |
| Registration plate lamp issues | 160 |
| Windscreen wiper does not clear the windscreen effectively | 126 |
| Parking brake: efficiency below requirements |3.7.B.7| | 121 |
| Rear parking brake recording little or no effort | 105 |
| Registration plate issues | 104 |
| Service brake: efficiency below requirements |3.7.B.7| | 103 |
| Offside Stop lamp not working |1.2.1b| | 95 |
| Nearside Stop lamp not working |1.2.1b| | 80 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 80 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 75 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 74 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 67 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 62 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 61 |
| Nearside Headlamp not working on main beam |1.7.5a| | 55 |
| Front brake application uneven | 53 |
| Rear brake application uneven | 50 |
| Offside Headlamp not working on main beam |1.7.5a| | 47 |
| Rear brake binding | 44 |
| Brake pipe excessively corroded | 44 |
| Brake hose has insufficient room to move | 39 |
| Nearside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 37 |
| Offside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 37 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 35 |
| Brake hose excessively deteriorated | 35 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 34 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 33 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 33 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 32 |
| Parking brake lever has no reserve travel |3.1.6b| | 31 |
| Offside Front Direction indicator not working |1.4.A.2c| | 31 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 30 |
| Front Windscreen wiper not operating automatically when switched on |8.2.1b| | 29 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 27 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 27 |
| Direction indicators not working |1.4.A.2c| | 27 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 26 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 26 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 25 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 24 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 24 |
| Nearside Rear Stop lamp not working |1.2.1b| | 23 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 23 |
| Offside Rear Stop lamp not working |1.2.1b| | 23 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 23 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 21 |
| Brake pedal has insufficient reserve movement |3.3.A.5| | 21 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 21 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 21 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 21 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 21 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 20 |
| Nearside Rear Braking system leaking |3.6.A.1| | 19 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 19 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 19 |
| Indicator switch faulty |1.4.A.1| | 19 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 19 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 19 |
| Battery insecure |1.9.1| | 18 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 18 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 18 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 18 |
| Nearside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 18 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 18 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 18 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 18 |
| Offside Rear Braking system leaking |3.6.A.1| | 18 |
| Offside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 17 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 17 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 17 |
| Nearside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 17 |
| Indicator tell tale inoperative |1.4.A.2a| | 17 |
| Nearside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 17 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 16 |
| Nearside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 16 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 16 |
| Nearside Front Front wheel bearing rough when rotated |2.5.A.2| | 15 |
| Brake pedal spongy |3.3.B.1b| | 15 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 15 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 14 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 14 |
| Parking brake lever ratchet mechanism is broken |3.1.5| | 14 |
| Nearside front brake binding |3.7.B.1| | 14 |
| Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 14 |
| Driver`s seat insecure |6.2.A.1| | 14 |
| Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 14 |
| Nearside front brake recording little or no effort |3.7.B.5a| | 13 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 13 |
| Windscreen wiper not operating automatically when switched on |8.2.1b| | 13 |
| Driver`s seat fore and aft adjustment mechanism not functioning as intended. |6.2.A.3| | 13 |
| Nearside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 13 |
| Offside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 12 |
| Windscreen wiper blade insecure | 12 |
| Stop lamp not working |1.2.1b| | 12 |
| Rear Stop lamp not working |1.2.1b| | 12 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 12 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 12 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 12 |
| Windscreen washer not working | 12 |
| Steering box has relative movement between sector shaft and the drop arm |2.2.B.1b| | 11 |
| Headlamp not working on main beam |1.7.5a| | 11 |
| Nearside Windscreen wiper not operating automatically when switched on |8.2.1b| | 11 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 11 |
| Nearside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 11 |
| Nearside Rear Rear wheel bearing has excessive play |2.6.2| | 11 |
| Offside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 11 |
| Offside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 11 |
| Nearside Rear Shock absorber has negligible damping effect |2.7.5| | 11 |
| Offside Rear wheel bearing has excessive play |2.6.2| | 11 |
| Offside Inner Track rod end ball joint has excessive play |2.2.B.1f| | 11 |
| Offside Rear Brake pipe inadequately clipped |3.6.B.1| | 11 |
| Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 11 |
| Offside front brake binding |3.7.B.1| | 10 |
| Service brake: efficiency below requirements |3.7.C.1a| | 10 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 10 |
| Offside Front Brake master cylinder/servo mounting prescribed area is excessively corroded |3.6.C.3| | 10 |
| Offside Rear Shock absorber has negligible damping effect |2.7.5| | 10 |
| Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 10 |
| Bonnet cannot be secured in the closed position |8.4.1| | 10 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 10 |
| Offside Rear Rear wheel bearing has excessive play |2.6.2| | 10 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 10 |
| Offside Front Brake hose twisted |found during steering lock to lock check| |2.2.D.2b| | 10 |
| Offside Front Lower Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 9 |
| Offside Front Seat belt insecurely fixed to the vehicles structure |5.2.1a| | 9 |
| Horn not loud enough to be heard by another road user |1.6.2b| | 9 |
| Brake hose damaged | 9 |
| Indicator switch insecure |1.4.A.1| | 9 |
| Steering system has excessive free play detected at the steering wheel |steering box fitted| |2.2.A.1a| | 9 |
| Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 9 |
| Rear Mechanical brake component has restricted free movement | 9 |
| Offside Front Sub-frame corroded and seriously weakened |2.4.G.1| | 9 |
| Nearside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 9 |
| Nearside Headlamp excessively damaged so that the light output is severely reduced |1.7.5a| | 9 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 9 |
| Parking brake lever defective so that it cannot be satisfactorily operated |3.1.3c| | 9 |
| Nearside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 9 |
| Direction indicators flashing more than 120 times a minute |1.4.A.2g| | 9 |
| Dipswitch operation does not extinguish all main beam headlamps leaving at least one pair of dipped beam headlamps |1.7.4b| | 8 |
| Offside Windscreen wiper not operating automatically when switched on |8.2.1b| | 8 |
| Brake pedal creeps down while the pedal is held under pressure |3.3.B.1a| | 8 |
| Offside front brake recording little or no effort |3.7.B.5a| | 8 |
| Driver`s door cannot be opened from outside the vehicle |6.2.B.1b| | 8 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 8 |
| Headlamp switch faulty |1.7.1| | 8 |
| Nearside Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 8 |
| Nearside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 8 |
| Offside Rear Rear position lamp|s| not working |1.1.A.3b| | 8 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 8 |
| Front passenger door cannot be opened from inside the vehicle |6.2.B.1b| | 8 |
| Offside Obligatory mirror missing |8.1.1| | 8 |
| Nearside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 8 |
| Nearside Front Direction indicators not working |1.4.A.2c| | 8 |
| Nearside Front Brake hose twisted |found during steering lock to lock check| |2.2.D.2b| | 7 |
| Nearside Front Seat belt insecurely fixed to the vehicles structure |5.2.1a| | 7 |
| Offside Headlamp insecure |1.7.3| | 7 |
| Nearside Headlamp aim not tested |1.8.A.1c| | 7 |
| Nearside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 7 |
| Nearside Rear Brake pipe inadequately clipped |3.6.B.1| | 7 |
| Offside Windscreen wiper not operating over a large enough area to give an adequate view |8.2.1c| | 7 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 7 |
| Offside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 7 |
| Offside Headlamp excessively damaged so that the light output is severely reduced |1.7.5a| | 7 |
| Headlamp not working on dipped beam |1.7.5a| | 7 |
| Offside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 7 |
| Nearside Inner Track rod end ball joint has excessive play |2.2.B.1f| | 7 |
| Steering locking device missing |2.2.C.1g| | 7 |
| Direction indicators flashing less than 60 times a minute |1.4.A.2g| | 7 |
| Offside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 7 |
| Offside Inner Front Track rod end ball joint has excessive play |2.2.B.1f| | 7 |
| Stop lamp remains on when the brakes are released | 6 |
| Offside Front Upper Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 6 |
| Nearside Front Upper Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 6 |
| Nearside Front Lower Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 6 |
| Offside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 6 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 6 |
| Parking brake: efficiency below requirements |3.7.D.4| | 6 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 6 |
| Offside Front Front wheel bearing rough when rotated |2.5.A.2| | 6 |
| Nearside Front Upper Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 6 |
| Nearside Headlamp insecure |1.7.3| | 6 |
| Offside Headlamp aim not tested |1.8.A.1c| | 6 |
| Offside Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 6 |
| Offside Front front brake binding |3.7.B.1| | 6 |
| Offside Front Upper Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 6 |
| Nearside Front Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 6 |
| Nearside Front Sub-frame corroded and seriously weakened |2.4.G.1| | 6 |
| Offside Rear Suspension component mounting prescribed area is inadequately repaired |2.4.A.3| | 6 |
| Nearside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 6 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 6 |
| Fuel hose leaking |7.2.3| | 6 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 6 |
| Brake performance not tested |3.7.A.1| | 6 |
| Nearside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 6 |
| Offside Front Direction indicators not working |1.4.A.2c| | 6 |
| Offside Front Statutory seat belt missing |5.1.1| | 6 |
| Nearside Rear Direction indicators not working |1.4.A.2c| | 6 |
| Offside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 6 |
| Offside Front Ball joint has excessive play |2.2.B.1f| | 6 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 6 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 6 |
| Nearside Front Statutory seat belt missing |5.1.1| | 6 |
| Nearside Rear Front position lamp|s| not working |1.1.A.3b| | 5 |
| Front Suspension has inadequate clearance with the bump stop |2.4.A.1a| | 5 |
| Nearside Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 5 |
| Offside Rear wheel cylinder leaking |3.6.A.1| | 5 |
| Nearside Front Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 5 |
| Offside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 5 |
| Parking brake lever has excessive side play in the pivot and may disengage |3.1.4a| | 5 |
| Nearside Front Upper Suspension arm has excessive play in a pin/bearing |2.4.G.2| | 5 |
| Offside Rear Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 5 |
| rear brakes release unevenly |3.7.B.4| | 5 |
| Nearside Headlamp aim beam image kick up to the offside |1.8| | 5 |
| Offside Headlamp aim beam image kick up to the offside |1.8| | 5 |
| An item not tested |Manual| | 5 |
| Fuel pipe leaking |7.2.3| | 5 |
| Nearside Rear Suspension has inadequate clearance with the bump stop |2.4.A.1a| | 5 |
| Offside Rear Suspension has inadequate clearance with the bump stop |2.4.A.1a| | 5 |
| Offside Front Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 5 |
| Nearside Rear Subframe mounting prescribed area is inadequately repaired |2.4.A.3| | 5 |
| Driver`s door cannot be opened from inside the vehicle |6.2.B.1b| | 5 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 5 |
| Offside Direction indicators not working |1.4.A.2c| | 5 |
| Brake master cylinder/servo mounting prescribed area is excessively corroded |3.6.C.3| | 5 |
| Nearside Front front brake binding |3.7.B.1| | 5 |
| Windscreen has a sticker or other obstruction encroaching by more than 10mm within zone `A` |8.3.1b| | 5 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 5 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 5 |
| Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 5 |
| Nearside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 5 |
| Exhaust engine idle speed too high |7.3.A.2a| | 5 |
| Offside Front Driver`s seat insecure |6.2.A.1| | 5 |
| Offside Front Shock absorber has an excessively worn bush |2.7.4| | 5 |
| Offside Rear Direction indicators not working |1.4.A.2c| | 5 |
| Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 5 |
| Brake pedal creeps down when held under pressure |3.3.B.1a| | 5 |
| Nearside Front Steering locking device missing |2.2.C.1g| | 5 |
| Horn not working |7.7 |a| |ii|| | 5 |
| Headlamp aim not tested |1.8.A.1c| | 5 |
| Nearside Front Shock absorber has an excessively worn bush |2.7.4| | 5 |