| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 958 |
| Brakes imbalanced across an axle | 386 |
| Horn not working |1.6.2a| | 328 |
| Windscreen wiper does not clear the windscreen effectively | 273 |
| Registration plate lamp issues | 245 |
| Service brake: efficiency below requirements |3.7.B.7| | 222 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 211 |
| Parking brake: efficiency below requirements |3.7.B.7| | 208 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 195 |
| Registration plate issues | 166 |
| Rear parking brake recording little or no effort | 163 |
| Rear brake binding | 139 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 134 |
| Offside Stop lamp not working |1.2.1b| | 125 |
| Nearside Stop lamp not working |1.2.1b| | 115 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 114 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 112 |
| Brake hose excessively deteriorated | 103 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 93 |
| Offside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 92 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 91 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 91 |
| Nearside Headlamp not working on main beam |1.7.5a| | 86 |
| Nearside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 86 |
| Brake pipe excessively corroded | 84 |
| Rear brake application uneven | 80 |
| Offside Headlamp not working on main beam |1.7.5a| | 78 |
| Front brake application uneven | 73 |
| Parking brake lever has no reserve travel |3.1.6b| | 59 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 56 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 54 |
| Direction indicators not working |1.4.A.2c| | 54 |
| Nearside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 53 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 53 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 53 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 53 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 52 |
| Offside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 51 |
| Brake hose has insufficient room to move | 50 |
| Offside Front Direction indicator not working |1.4.A.2c| | 49 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 49 |
| Nearside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 48 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 48 |
| Nearside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 46 |
| Offside Rear Stop lamp not working |1.2.1b| | 46 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 45 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 44 |
| Nearside Rear Stop lamp not working |1.2.1b| | 43 |
| Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 43 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 42 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 42 |
| Nearside Rear Braking system leaking |3.6.A.1| | 42 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 42 |
| Offside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 41 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 41 |
| Nearside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 40 |
| Nearside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 39 |
| Offside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 39 |
| Battery insecure |1.9.1| | 38 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 38 |
| Steering system has excessive free play detected at the steering wheel |steering box fitted| |2.2.A.1a| | 38 |
| Offside Rear Braking system leaking |3.6.A.1| | 37 |
| Indicator tell tale inoperative |1.4.A.2a| | 37 |
| Offside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 36 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 36 |
| Driver`s seat insecure |6.2.A.1| | 36 |
| Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 36 |
| Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 36 |
| Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 36 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 36 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 36 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 36 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 35 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 35 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 35 |
| Nearside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 34 |
| Nearside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 33 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 33 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 33 |
| Nearside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 33 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 32 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 32 |
| Stop lamp remains on when the brakes are released | 31 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 30 |
| Nearside Front Front wheel bearing rough when rotated |2.5.A.2| | 30 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 30 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 30 |
| Windscreen washer not working | 29 |
| Brake hose damaged | 29 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 29 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 28 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 27 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 27 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 27 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 27 |
| Offside front brake binding |3.7.B.1| | 27 |
| Brake pedal spongy |3.3.B.1b| | 27 |
| Stop lamp not working |1.2.1b| | 27 |
| Nearside front brake binding |3.7.B.1| | 26 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 26 |
| Nearside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 26 |
| Steering box has relative movement between sector shaft and the drop arm |2.2.B.1b| | 25 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 24 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 24 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 22 |
| Offside Rear wheel bearing has excessive play |2.6.2| | 22 |
| Nearside Rear Rear wheel bearing has excessive play |2.6.2| | 22 |
| Offside Front Sub-frame corroded and seriously weakened |2.4.G.1| | 22 |
| Brake pedal has insufficient reserve movement |3.3.A.5| | 21 |
| Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 21 |
| Nearside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 21 |
| 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| | 20 |
| Offside Front Front wheel bearing rough when rotated |2.5.A.2| | 20 |
| Offside Inner Track rod end ball joint has excessive play |2.2.B.1f| | 20 |
| Offside Front Brake master cylinder/servo mounting prescribed area is excessively corroded |3.6.C.3| | 20 |
| Brake hydraulic reservoir fluid level below minimum level |3.6.G.1b| | 20 |
| Offside Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 20 |
| 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| | 20 |
| Hazard warning lamps inoperative |1.4.B.1b| | 19 |
| Hazard warning tell tale not working correctly |1.4.B.1e| | 19 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 19 |
| Offside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 19 |
| Windscreen wiper blade insecure | 19 |
| Brake master cylinder/servo mounting prescribed area is excessively corroded |3.6.C.3| | 19 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 19 |
| Front Windscreen wiper not operating automatically when switched on |8.2.1b| | 18 |
| Brake performance not tested |3.7.A.1| | 18 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 18 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 18 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 18 |
| Nearside Front Sub-frame corroded and seriously weakened |2.4.G.1| | 18 |
| Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 18 |
| Bonnet cannot be secured in the closed position |8.4.1| | 18 |
| Offside Front Seat belt insecurely fixed to the vehicles structure |5.2.1a| | 18 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 17 |
| 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| | 17 |
| Nearside Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 17 |
| Nearside Front Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 17 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 17 |
| Headlamp switch faulty |1.7.1| | 17 |
| Offside front brake recording little or no effort |3.7.B.5a| | 16 |
| Bootlid cannot be secured in the closed position |6.4.1| | 16 |
| Rear Stop lamp not working |1.2.1b| | 16 |
| Nearside Front Seat belt insecurely fixed to the vehicles structure |5.2.1a| | 16 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 16 |
| 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| | 16 |
| Fuel hose leaking |7.2.3| | 16 |
| All position lamps not working |1.1.A.3b| | 16 |
| Nearside front brake recording little or no effort |3.7.B.5a| | 15 |
| Horn not loud enough to be heard by another road user |1.6.2b| | 15 |
| Offside Inner Front Track rod end ball joint has excessive play |2.2.B.1f| | 15 |
| Headlamp not working on main beam |1.7.5a| | 15 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 15 |
| Offside Rear Suspension component mounting prescribed area is inadequately repaired |2.4.A.3| | 15 |
| Steering column top bearing excessively worn |2.1.2c| | 15 |
| Offside Front Seat belt retracting mechanism defective |5.2.5b| | 15 |
| Nearside Headlamp aim beam image kick up to the offside |1.8| | 15 |
| Offside Front Lower Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 15 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 15 |
| Offside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 15 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 15 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 15 |
| Steering box insecure |2.2.B.1a| | 15 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 14 |
| Dipswitch operation does not extinguish all main beam headlamps leaving at least one pair of dipped beam headlamps |1.7.4b| | 14 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 14 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 14 |
| Offside Obligatory mirror missing |8.1.1| | 14 |
| Offside Front Seat belt locking mechanism does not secure or release |5.2.5a| | 14 |
| Nearside Front Seat belt retracting mechanism defective |5.2.5b| | 14 |
| Offside Rear wheel cylinder leaking |3.6.A.1| | 14 |
| Nearside Front Brake hose twisted |found during steering lock to lock check| |2.2.D.2b| | 14 |
| Front Headlamp not working on main beam |1.7.5a| | 14 |
| Exhaust noise is clearly in excess of that emitted by a similar vehicle fitted with a standard silencer in average condition |7.1.4| | 14 |
| 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| | 13 |
| Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 13 |
| Nearside Seat belt insecurely fixed to the vehicles structure |5.2.1a| | 13 |
| Nearside Rear Suspension component mounting prescribed area is inadequately repaired |2.4.A.3| | 13 |
| Braking system leaking |3.6.A.1| | 13 |
| Rear Mechanical brake component has restricted free movement | 13 |
| Nearside Front Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 13 |
| Direction indicators flashing more than 120 times a minute |1.4.A.2g| | 13 |
| Driver`s seat fore and aft adjustment mechanism not functioning as intended. |6.2.A.3| | 13 |
| Nearside Rear wheel cylinder leaking |3.6.A.1| | 13 |
| Offside Rear Rear wheel bearing has excessive play |2.6.2| | 12 |
| Nearside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 12 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 12 |
| Nearside Rear Shock absorber has negligible damping effect |2.7.5| | 12 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 12 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 12 |
| Offside Front Brake hose twisted |found during steering lock to lock check| |2.2.D.2b| | 12 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 12 |
| Hazard warning switch faulty |1.4.B.1d| | 12 |
| Dipswitch operation does not deflect all main beam headlamps to make them dipped beams |1.7.4b| | 12 |
| Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 12 |
| Nearside Rear brake drum contaminated by oil |3.5.1h| | 11 |
| Offside Headlamp aim beam image kick up to the offside |1.8| | 11 |
| Nearside Front Direction indicators not working |1.4.A.2c| | 11 |
| Offside Rear Rear position lamp|s| not working |1.1.A.3b| | 11 |
| Service brake: efficiency below requirements |3.7.C.1a| | 11 |
| Nearside Front front brake binding |3.7.B.1| | 11 |
| Nearside Front Lower Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 11 |
| Driver`s seat cannot be secured in the upright position. |6.2.A.2| | 11 |
| Windscreen wiper not operating automatically when switched on |8.2.1b| | 11 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 11 |
| Steering column flexible coupling is excessively deteriorated |2.1.5| | 11 |
| Horn not working (7.7 (a) (ii)) | 10 |
| Offside Front Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 10 |
| Front passenger door cannot be opened from outside the vehicle |6.2.B.1b| | 10 |
| Nearside Front Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 10 |
| Offside Rear Shock absorber has negligible damping effect |2.7.5| | 10 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 10 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 10 |
| Fuel tank leaking |7.2.3| | 10 |
| Front Sub-frame corroded and seriously weakened |2.4.G.1| | 10 |
| Exhaust engine idle speed too high |7.3.A.2a| | 10 |
| Offside Front Steering locking device missing |2.2.C.1g| | 10 |
| Offside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 10 |
| Nearside Rear Subframe mounting prescribed area is inadequately repaired |2.4.A.3| | 10 |
| Nearside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 10 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 10 |
| Nearside Windscreen wiper not operating automatically when switched on |8.2.1b| | 9 |
| Main beam `tell-tale` not working |1.7.4c| | 9 |
| Nearside Headlamp insecure |1.7.3| | 9 |
| Nearside Front Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 9 |
| Nearside Front Anti-roll bar attachment bracket/mounting insecure |2.4.G.1| | 9 |
| Nearside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 9 |
| Brake pedal creeps down when held under pressure |3.3.B.1a| | 9 |
| Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 9 |
| Offside Rear Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 9 |
| Rear Passenger`s seat cannot be secured in the upright position. |6.2.A.2| | 9 |
| rear brakes release unevenly |3.7.B.4| | 9 |
| Nearside Front Steering system has a road wheel fouling a part of the vehicle |2.2.D.2a| | 9 |
| Nearside Rear Wheel bolt|s| missing |4.2.A.1e| | 9 |
| Front position lamp|s| not working |1.1.A.3b| | 9 |
| Nearside Front Shock absorber has negligible damping effect |2.7.5| | 9 |
| Nearside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 9 |
| Front Fuel hose leaking |7.2.3| | 9 |
| Parking brake lever ratchet mechanism is broken |3.1.5| | 9 |
| Offside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 9 |
| An item not tested |Manual| | 9 |
| Indicator switch faulty |1.4.A.1| | 9 |
| Driver`s door cannot be opened from outside the vehicle |6.2.B.1b| | 9 |
| Steering column movement between the shaft and steering wheel |2.1.2b| | 9 |
| Nearside Front Statutory seat belt missing |5.1.1| | 9 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 9 |
| Offside Inner Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 9 |