| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 246 |
| Parking brake: efficiency below requirements |3.7.B.7| | 163 |
| Windscreen wiper does not clear the windscreen effectively | 148 |
| Registration plate lamp issues | 108 |
| Horn not working |1.6.2a| | 103 |
| Brake hose excessively deteriorated | 88 |
| Brakes imbalanced across an axle | 79 |
| Rear parking brake recording little or no effort | 79 |
| Registration plate issues | 69 |
| Exhaust emissions carbon monoxide content excessive |7.3.B.1a| | 59 |
| Brake pipe excessively corroded | 56 |
| Offside Stop lamp not working |1.2.1b| | 52 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 52 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 49 |
| Nearside Stop lamp not working |1.2.1b| | 42 |
| Rear brake binding | 36 |
| Service brake: efficiency below requirements |3.7.B.7| | 33 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 33 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 30 |
| Windscreen washer not working | 27 |
| Nearside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 27 |
| Nearside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 27 |
| Offside front brake binding |3.7.B.1| | 26 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 24 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 24 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 24 |
| Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 24 |
| Offside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 24 |
| Parking brake lever has no reserve travel |3.1.6b| | 24 |
| Exhaust emissions hydrocarbon content excessive |7.3.B.1b| | 24 |
| Nearside Headlamp not working on main beam |1.7.5a| | 23 |
| Offside Headlamp not working on main beam |1.7.5a| | 23 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 22 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 21 |
| Battery insecure |1.9.1| | 21 |
| Rear brake application uneven | 21 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 20 |
| Nearside front brake binding |3.7.B.1| | 20 |
| Offside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 19 |
| Nearside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 18 |
| Offside Front Steering component mounting prescribed area is excessively corroded |2.2.C.1h| | 17 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 16 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 16 |
| Nearside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 15 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 15 |
| Front brake application uneven | 15 |
| Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 15 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 14 |
| Offside Rear wheel bearing has excessive play |2.6.2| | 14 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 14 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 12 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 12 |
| Steering system has excessive free play detected at the steering wheel |steering box fitted| |2.2.A.1a| | 12 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 12 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 11 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 11 |
| Driver`s seat insecure |6.2.A.1| | 11 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 11 |
| 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| | 11 |
| Nearside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 11 |
| Direction indicators not working |1.4.A.2c| | 10 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 10 |
| Nearside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 10 |
| Nearside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 10 |
| Offside Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 10 |
| Nearside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 10 |
| Brake pedal spongy |3.3.B.1b| | 10 |
| Mechanical brake component has restricted free movement | 10 |
| Stop lamp not working |1.2.1b| | 10 |
| 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| | 10 |
| Offside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 10 |
| Offside Headlamp aim beam image kick up to the offside |1.8| | 10 |
| 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| | 10 |
| Nearside Headlamp aim beam image kick up to the offside |1.8| | 10 |
| An item not tested |Manual| | 9 |
| Offside Front Direction indicator not working |1.4.A.2c| | 9 |
| 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| | 9 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 9 |
| Nearside Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 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 |
| Front Windscreen wiper not operating automatically when switched on |8.2.1b| | 9 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 9 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 9 |
| Nearside Front Body has a sharp edge caused by corrosion |6.1.C.1| | 9 |
| 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| | 9 |
| Nearside Front front brake binding |3.7.B.1| | 9 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 9 |
| Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 9 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 9 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 8 |
| Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 8 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 8 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 8 |
| Nearside Front Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 8 |
| Nearside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 8 |
| Emissions not tested |7.0| | 8 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 8 |
| 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| | 8 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 8 |
| Offside Front Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 8 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 8 |
| Offside Rear Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 8 |
| Offside Rear Direction indicator adversely affected by the operation of another lamp |1.4.A.2h| | 8 |
| 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| | 8 |
| Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 7 |
| Front Headlamp not working on main beam |1.7.5a| | 7 |
| Brake pedal has insufficient reserve movement |3.3.A.5| | 7 |
| Offside Front Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 7 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 7 |
| Exhaust emissions carbon monoxide content excessive (8.2.1.2 (b)) | 7 |
| Offside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 7 |
| Offside Rear Suspension component mounting prescribed area is inadequately repaired |2.4.A.3| | 7 |
| Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 7 |
| Offside Front front brake binding |3.7.B.1| | 7 |
| Nearside Rear Brake hose bulging under pressure |3.6.B.3| | 7 |
| Nearside Front Seat belt retracting mechanism defective |5.2.5b| | 7 |
| Offside Front Shock absorber has an excessively worn bush |2.7.4| | 7 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 7 |
| Main beam `tell-tale` not working |1.7.4c| | 7 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 7 |
| Headlamp switch faulty |1.7.1| | 6 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 6 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 6 |
| Rear Stop lamp not working |1.2.1b| | 6 |
| Steering system excessively tight |2.2.D.1| | 6 |
| Offside Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 6 |
| Front Steering pivot point has excessive play |2.2.B.1g| | 6 |
| Offside Rear Body has a sharp edge caused by corrosion |6.1.C.1| | 6 |
| Nearside Rear Vehicle structure excessively corroded within 30cm of towbar mounting |6.6.6| | 6 |
| Offside Rear Stop lamp not working |1.2.1b| | 6 |
| Offside Front Body has a sharp edge caused by corrosion |6.1.C.1| | 6 |
| Nearside Front Seat belt insecurely fixed to the vehicles structure |5.2.1a| | 6 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 6 |
| Nearside Rear Body has a sharp edge caused by corrosion |6.1.C.1| | 6 |
| Fuel cap/sealing device sealing washer missing |7.2.4c| | 6 |
| Steering column top mounting bracket insecure |2.1.2d| | 6 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 6 |
| Nearside Front Lower Shock absorber has an excessively worn bush |2.7.4| | 6 |
| Offside Front Lower Shock absorber has an excessively worn bush |2.7.4| | 6 |
| Nearside Rear Rear wheel bearing has excessive play |2.6.2| | 6 |
| Hazard warning lamps inoperative |1.4.B.1b| | 6 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 6 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 5 |
| Brake hose has insufficient room to move | 5 |
| Service brake efficiency below requirements |1.2.2 |a| |i|| | 5 |
| Nearside Rear Battery insecure |1.9.1| | 5 |
| 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| | 5 |
| Indicator tell tale inoperative |1.4.A.2a| | 5 |
| Nearside Rear Suspension component mounting prescribed area is inadequately repaired |2.4.A.3| | 5 |
| Steering pivot point has excessive play |2.2.B.1g| | 5 |
| Front passenger door cannot be opened from outside the vehicle |6.2.B.1b| | 5 |
| Front Steering component mounting prescribed area is excessively corroded |2.2.C.1h| | 5 |
| Nearside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 5 |
| Offside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 5 |
| Nearside Rear Stop lamp not working |1.2.1b| | 5 |
| Windscreen has damage | 5 |
| Offside Front Lower Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 5 |
| Offside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 5 |
| Brake performance not tested |3.7.A.1| | 5 |
| Service brake: efficiency below requirements |3.7.C.1a| | 5 |
| Nearside Front Axle beam cracked |2.5.A.5a| | 5 |
| Nearside Rear Drive shaft which forms part of the suspension coupling gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.4.G.4e| | 5 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 5 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 5 |
| Nearside Rear Direction indicator adversely affected by the operation of another lamp |1.4.A.2h| | 5 |
| Offside Rear Vehicle structure excessively corroded within 30cm of towbar mounting |6.6.6| | 5 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 5 |
| Nearside Front Shock absorber has an excessively worn bush |2.7.4| | 5 |
| Offside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 5 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 5 |
| Driver`s door cannot be opened from outside the vehicle |6.2.B.1b| | 4 |
| Braking system leaking |3.6.A.1| | 4 |
| Electrical wiring insecure |1.9.2a| | 4 |
| Offside Rear Braking system leaking |3.6.A.1| | 4 |
| Front passenger door cannot be opened from inside the vehicle |6.2.B.1b| | 4 |
| Nearside Front Statutory seat belt missing |5.1.1| | 4 |
| Driver`s seat fore and aft adjustment mechanism not functioning as intended. |6.2.A.3| | 4 |
| Windscreen wiper not operating automatically when switched on |8.2.1b| | 4 |
| Horn not working (7.7 (a) (ii)) | 4 |
| Offside Rear Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 4 |
| Nearside Front Valve stem seriously damaged |4.1.D.1e| | 4 |
| Offside Front Valve stem seriously damaged |4.1.D.1e| | 4 |
| Nearside Rear Outer Drive shaft which forms part of the suspension coupling gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.4.G.4e| | 4 |
| Steering box has relative movement between sector shaft and the drop arm |2.2.B.1b| | 4 |
| Front brake excessively fluctuating | 4 |
| Offside Rear Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 4 |
| Offside Front Seat belt damaged sufficient to obstruct correct operation of the belt |5.2.2a| | 4 |
| Steering column top bearing excessively worn |2.1.2c| | 4 |
| Centre Steering arm has relative movement at its fixings |2.2.B.1h| | 4 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 4 |
| Nearside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 4 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 4 |
| Horn not working |7.7 |a| |ii|| | 4 |
| Nearside Front Front wheel bearing rough when rotated |2.5.A.2| | 4 |
| Offside Front Sub-frame corroded and seriously weakened |2.4.G.1| | 4 |
| Brake pedal anti-slip provision incomplete |3.3.A.1b| | 4 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 4 |
| Brake pipe inadequately clipped |3.6.B.1| | 4 |
| Front Sub-frame corroded and seriously weakened |2.4.G.1| | 4 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 4 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 4 |
| Offside Rear Drive shaft which forms part of the suspension coupling gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.4.G.4e| | 4 |
| Horn not loud enough to be heard by another road user |1.6.2b| | 4 |
| Nearside Body has a sharp edge caused by corrosion |6.1.C.1| | 4 |
| Nearside front brake juddering severely |3.7.A.2b| | 4 |
| Offside Front Seat belt insecurely fixed to the vehicles structure |5.2.1a| | 4 |
| Offside Rear Rear wheel bearing has excessive play |2.6.2| | 4 |
| Direction indicators flashing more than 120 times a minute |1.4.A.2g| | 4 |