| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 181 |
| Exhaust emissions carbon monoxide content excessive |7.3.B.1a| | 79 |
| Registration plate lamp issues | 75 |
| Rear brake binding | 50 |
| Windscreen wiper does not clear the windscreen effectively | 39 |
| Brakes imbalanced across an axle | 38 |
| Exhaust emissions hydrocarbon content excessive |7.3.B.1b| | 27 |
| Parking brake: efficiency below requirements |3.7.B.7| | 27 |
| Horn not working |1.6.2a| | 26 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 26 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 26 |
| Nearside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 26 |
| Offside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 26 |
| Nearside Stop lamp not working |1.2.1b| | 25 |
| Service brake: efficiency below requirements |3.7.B.7| | 24 |
| Rear parking brake recording little or no effort | 22 |
| Offside Stop lamp not working |1.2.1b| | 21 |
| Registration plate issues | 20 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 20 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 20 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 18 |
| Rear brake application uneven | 17 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 17 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 14 |
| Offside Front Direction indicator not working |1.4.A.2c| | 13 |
| Brake pipe excessively corroded | 13 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 12 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 12 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 12 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 12 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 10 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 10 |
| Brake hose excessively deteriorated | 10 |
| Nearside Rear Stop lamp not working |1.2.1b| | 10 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 9 |
| Offside Headlamp not working on main beam |1.7.5a| | 9 |
| Offside Steering rack gaiter split |2.2.D.2d| | 9 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 8 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 8 |
| Nearside Front front brake binding |3.7.B.1| | 8 |
| Steering rack insecure |2.2.B.1a| | 8 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 8 |
| Nearside Headlamp not working on main beam |1.7.5a| | 8 |
| Nearside front brake binding |3.7.B.1| | 8 |
| Brake pedal spongy |3.3.B.1b| | 7 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 7 |
| Brake performance not tested |3.7.A.1| | 7 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 7 |
| Parking brake lever has no reserve travel |3.1.6b| | 7 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 7 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 7 |
| Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 6 |
| Battery insecure |1.9.1| | 6 |
| Offside Rear Stop lamp not working |1.2.1b| | 6 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 6 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 6 |
| Driver`s seat insecure |6.2.A.1| | 6 |
| Nearside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 6 |
| Nearside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 6 |
| Nearside Rear Direction indicator adversely affected by the operation of another lamp |1.4.A.2h| | 6 |
| Nearside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 6 |
| Offside front brake binding |3.7.B.1| | 6 |
| Nearside Front Steering rack gaiter split |2.2.D.2d| | 6 |
| Fuel system component leaking |7.2.3| | 6 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 5 |
| Front brake application uneven | 5 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 5 |
| Rear Mechanical brake component has restricted free movement | 5 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 5 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 5 |
| Brake hydraulic reservoir fluid level below minimum level |3.6.G.1b| | 5 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 5 |
| Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 5 |
| Nearside Indicator tell tale inoperative |1.4.A.2a| | 4 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 4 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 4 |
| Direction indicators not working |1.4.A.2c| | 4 |
| Front Exhaust system not adequately supported |7.1.1| | 4 |
| Offside Front Steering locking device missing |2.2.C.1g| | 4 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 4 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 4 |
| Mechanical brake component has restricted free movement | 4 |
| Nearside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 4 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 4 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 4 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 4 |
| Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b| | 4 |
| Exhaust noise is clearly in excess of that emitted by a similar vehicle fitted with a standard silencer in average condition |7.1.4| | 4 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 4 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 4 |
| Nearside Front Seat belt insecurely fixed to the vehicles structure |5.2.1a| | 4 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 4 |
| Nearside Front Front wheel bearing rough when rotated |2.5.A.2| | 4 |
| Exhaust emissions hydrocarbon content excessive (8.2.1.2 (b)) | 4 |
| Exhaust system not adequately supported |7.1.1| | 4 |
| Offside Rear Suspension spring mounting prescribed area is inadequately repaired |2.4.A.3| | 4 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 3 |
| Offside Headlamp aim beam image kick up to the offside |1.8| | 3 |
| Headlamp aim not tested |1.8.A.1c| | 3 |
| Offside front brake recording little or no effort |3.7.B.5a| | 3 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 3 |
| Nearside Headlamp insecure |1.7.3| | 3 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 3 |
| front brake binding |3.7.B.1| | 3 |
| Headlamp switch faulty |1.7.1| | 3 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 3 |
| Nearside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 3 |
| Offside Front Coil spring not correctly located |2.4.C.2| | 3 |
| Nearside Rear Braking system leaking |3.6.A.1| | 3 |
| Front position lamp|s| not working |1.1.A.3b| | 3 |
| Nearside Front Upper Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Offside Front Upper Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Offside Front Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 3 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Windscreen washer not working | 3 |
| Offside Front Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 3 |
| Nearside Front Brake pipe inadequately clipped |3.6.B.1| | 3 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 3 |
| Windscreen wiper not operating automatically when switched on |8.2.1b| | 3 |
| Offside Rear Braking system leaking |3.6.A.1| | 3 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 3 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 3 |
| Steering rack damaged and unserviceable |2.2.C.1d| | 3 |
| Offside Inner Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Hazard warning lamps inoperative |1.4.B.1b| | 3 |
| Nearside Rear An item not tested |Manual| | 3 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 3 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 3 |
| Nearside Rear Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 3 |
| Brake pipe inadequately supported |3.6.B.1| | 3 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 3 |
| Braking system leaking |3.6.A.1| | 3 |
| Nearside Steering locking device missing |2.2.C.1g| | 3 |
| Steering system fouling |2.2.D.2a| | 3 |
| Hazard warning switch faulty |1.4.B.1d| | 3 |
| Offside Outer Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 3 |
| Exhaust emissions carbon monoxide content excessive (8.2.1.2 (b)) | 3 |
| Offside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 3 |
| Headlamp not working on main beam |1.7.5a| | 3 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 3 |
| Fuel pipe insecure |7.2.1| | 3 |
| Offside Rear Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 3 |
| Offside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 3 |
| Windscreen wiper blade insecure | 3 |
| Nearside Front Brake hose twisted |found during steering lock to lock check| |2.2.D.2b| | 3 |
| Brake pedal creeps down when held under pressure |3.3.B.1a| | 3 |
| Offside Front Seat belt retracting mechanism defective |5.2.5b| | 3 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 3 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Offside Rear Service brake effort inadequate at a wheel (1.2.1 (a) (i)) | 2 |
| Offside Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Nearside Headlamp aim beam image kick up to the offside |1.8| | 2 |
| Nearside Front Suspension component mounting prescribed area is fractured |2.4.A.3| | 2 |
| Nearside Front Front suspension locking device missing |2.5.A.4| | 2 |
| Offside Front Front suspension locking device missing |2.5.A.4| | 2 |
| Nearside front brake juddering severely |3.7.A.2b| | 2 |
| Headlamp not working on dipped beam |1.7.5a| | 2 |
| Front Sub-frame attachment bracket/mounting insecure |2.4.G.1| | 2 |
| Offside Front brake caliper securing device loose |3.5.1j| | 2 |
| All position lamps not working |1.1.A.3b| | 2 |
| Front brake disc in such a condition that it is seriously weakened | 2 |
| Nearside Body has a sharp edge caused by corrosion |6.1.C.1| | 2 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 2 |
| Nearside Rear Brake pipe inadequately supported |3.6.B.1| | 2 |
| Offside Rear Brake pipe inadequately supported |3.6.B.1| | 2 |
| Offside Rear Rear position lamp|s| not working |1.1.A.3b| | 2 |
| Offside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 2 |
| Nearside Headlamp excessively damaged so that the light output is severely reduced |1.7.5a| | 2 |
| Offside Front Front wheel bearing rough when rotated |2.5.A.2| | 2 |
| Front passenger seat insecure |6.2.3| | 2 |
| Front Windscreen wiper not operating automatically when switched on |8.2.1b| | 2 |
| Offside Front Brake pipe fouled by moving parts |3.6.B.2a| | 2 |
| Nearside Front Steering locking device missing |2.2.C.1g| | 2 |
| Offside Front Shock absorber has negligible damping effect |2.7.5| | 2 |
| Offside Front Body has a sharp edge caused by corrosion |6.1.C.1| | 2 |
| Nearside Front Wheel nut|s| missing |4.2.A.1e| | 2 |
| Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 2 |
| Windscreen has damage | 2 |
| Nearside Front Steering arm has relative movement at its fixings |2.2.B.1h| | 2 |
| Front passenger door cannot be opened from outside the vehicle |6.2.B.1b| | 2 |
| Centre Rear Brake pipe inadequately clipped |3.6.B.1| | 2 |
| Nearside Inner Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 2 |
| Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Offside Front Road wheel bead rim badly distorted |4.2.A.1a| | 2 |
| Nearside Outer Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Offside Front Headlamp insecure |1.7.3| | 2 |
| Rear Fuel system component insecure |7.2.1| | 2 |
| Nearside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 2 |
| Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Front passenger door cannot be opened from inside the vehicle |6.2.B.1b| | 2 |
| Offside Steering locking device missing |2.2.C.1g| | 2 |
| Nearside Passenger`s seat insecure |6.2.A.1| | 2 |
| Offside Front Brake pipe inadequately clipped |3.6.B.1| | 2 |
| Offside Front Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| 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| | 2 |
| Offside front brake juddering severely |3.7.A.2b| | 2 |
| Offside Front Seat belt insecurely fixed to the vehicles structure |5.2.1a| | 2 |
| Nearside Rear Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 2 |
| Direction indicators flashing less than 60 times a minute |1.4.A.2g| | 2 |
| Nearside Outer Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 2 |
| Steering column universal joint insecure |2.1.5| | 2 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 2 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 2 |
| Nearside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Nearside Front Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 2 |
| Nearside Rear Suspension component mounting prescribed area is inadequately repaired |2.4.A.3| | 2 |
| Offside Rear Suspension component mounting prescribed area is inadequately repaired |2.4.A.3| | 2 |
| Service brake: efficiency below requirements |3.7.C.1a| | 2 |
| Front Headlamp not working on main beam |1.7.5a| | 2 |
| Windscreen has a sticker or other obstruction encroaching by more than 10mm within zone `A` |8.3.1b| | 2 |
| Nearside Front Anti-roll bar locating pin locking device missing |2.4.G.3b| | 2 |
| Offside Front Anti-roll bar locating pin locking device missing |2.4.G.3b| | 2 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 2 |
| Offside Steering rack gaiter insecure |2.2.D.2d| | 2 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 2 |
| Offside Rear Leaf spring has excessive wear in a shackle pin and/or bush |2.4.B.2| | 2 |
| Nearside Front Body has a projection caused by corrosion |6.1.C.1| | 2 |
| Rear Brake hose leaking |3.6.A.1| | 2 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 2 |
| Offside Rear Brake pipe inadequately clipped |3.6.B.1| | 2 |
| Nearside Front Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 2 |
| Offside Rear Torsion bar insecure at an end fixing |2.4.E.2| | 2 |
| Offside Rear Body has a sharp edge caused by corrosion |6.1.C.1| | 2 |
| Nearside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Nearside Front Headlamp aim beam image kick up to the offside |1.8| | 2 |
| Offside Front Headlamp aim beam image kick up to the offside |1.8| | 2 |
| Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Offside Front Mechanical brake component locking device insecure |3.5.1l| | 2 |
| Offside Front Track rod end loose |2.2.B.1d| | 2 |
| Nearside Front Lower Front suspension ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 2 |
| Nearside Front Front suspension retaining device missing |2.5.A.4| | 2 |
| Offside Front front brake binding |3.7.B.1| | 2 |
| Nearside Steering arm has relative movement at its fixings |2.2.B.1h| | 2 |
| Parking brake is not capable of being maintained in operation by direct mechanical action only |3.1.2| | 2 |
| Nearside Front Anti-roll bar locating pin retaining device missing |2.4.G.3b| | 2 |
| Offside Front Anti-roll bar locating pin retaining device missing |2.4.G.3b| | 2 |
| Offside Rear Direction indicator adversely affected by the operation of another lamp |1.4.A.2h| | 2 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 2 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 2 |
| Offside Front brake disc excessively pitted |3.5.1h| | 2 |
| Offside Front Steering rack gaiter split |2.2.D.2d| | 2 |
| Nearside Ball joint has excessive play |2.2.B.1f| | 2 |
| Offside Steering arm has relative movement at its fixings |2.2.B.1h| | 2 |
| Nearside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 2 |
| Nearside Rear Suspension spring mounting prescribed area is inadequately repaired |2.4.A.3| | 2 |