| Most common failures | No# failures |
|---|
| Parking brake: efficiency below requirements |3.7.B.7| | 58 |
| Rear parking brake recording little or no effort | 32 |
| Rear brake binding | 23 |
| Brakes imbalanced across an axle | 21 |
| Registration plate lamp issues | 20 |
| Service brake: efficiency below requirements |3.7.B.7| | 17 |
| Windscreen wiper does not clear the windscreen effectively | 11 |
| Headlamp aim out of alignment | 10 |
| Brake hose excessively deteriorated | 10 |
| Horn not working |1.6.2a| | 9 |
| Offside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 8 |
| Nearside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 8 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 7 |
| Front brake application uneven | 7 |
| Mechanical brake component has restricted free movement | 6 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 6 |
| Offside front brake binding |3.7.B.1| | 6 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 5 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 5 |
| Nearside Stop lamp not working |1.2.1b| | 5 |
| Offside Stop lamp not working |1.2.1b| | 5 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 5 |
| Brake pipe excessively corroded | 5 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 4 |
| Offside Front Direction indicator not working |1.4.A.2c| | 4 |
| Nearside front brake binding |3.7.B.1| | 4 |
| Rear brake application uneven | 4 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 4 |
| Steering box has relative movement between sector shaft and the drop arm |2.2.B.1b| | 4 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 4 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 4 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 4 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 3 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 3 |
| Nearside Rear Stop lamp not working |1.2.1b| | 3 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 3 |
| Brake performance not tested |3.7.A.1| | 3 |
| Rear Exhaust system not adequately supported |7.1.1| | 3 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 3 |
| Nearside Rear Braking system leaking |3.6.A.1| | 3 |
| Offside front brake recording little or no effort |3.7.B.5a| | 3 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 3 |
| Offside Front Brake pipe inadequately clipped |3.6.B.1| | 3 |
| Offside Front Steering box has relative movement between sector shaft and the drop arm |2.2.B.1b| | 2 |
| Rear Stop lamp not working |1.2.1b| | 2 |
| Service brake is causing the vehicle to swerve to the offside |3.7.C.2| | 2 |
| Front Windscreen wiper not operating automatically when switched on |8.2.1b| | 2 |
| Nearside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Rear Mechanical brake component has restricted free movement | 2 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 2 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 2 |
| Brake pedal anti-slip provision worn smooth |3.3.A.1b| | 2 |
| Brake pedal has insufficient reserve movement |3.3.A.5| | 2 |
| Nearside Front Brake hose twisted |found during steering lock to lock check| |2.2.D.2b| | 2 |
| Offside Front front brake recording little or no effort |3.7.B.5a| | 2 |
| Offside Front Steering arm has relative movement at its fixings |2.2.B.1h| | 2 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 2 |
| Offside Direction indicator not working |1.4.A.2c| | 2 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Offside Headlamp not working on main beam |1.7.5a| | 2 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 2 |
| Offside Rear Braking system leaking |3.6.A.1| | 2 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 2 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 2 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 2 |
| Offside Rear Brake pipe inadequately clipped |3.6.B.1| | 2 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 2 |
| Offside Rear Stop lamp not working |1.2.1b| | 2 |
| Registration plate issues | 2 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 2 |
| Steering box cracked and unserviceable |2.2.C.1d| | 2 |
| Brake hose has insufficient room to move | 2 |
| Offside Front Indicator switch faulty |1.4.A.1| | 1 |
| Offside Front Steering column top bearing excessively worn |2.1.2c| | 1 |
| Nearside Front Ball joint has excessive play |2.2.B.1f| | 1 |
| Nearside Front Front passenger door cannot be opened from inside the vehicle |6.2.B.1b| | 1 |
| Nearside Front Front passenger door cannot be opened from outside the vehicle |6.2.B.1b| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Nearside Rear Suspension spring mounting prescribed area is fractured |2.4.A.3| | 1 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 1 |
| rear parking |secondary| brakes imbalanced | 1 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Offside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Nearside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Nearside Front Braking system leaking |3.6.A.1| | 1 |
| Offside Windscreen wiper not operating over a large enough area to give an adequate view |8.2.1c| | 1 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 1 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded Leaf spring |2.4.A.3| | 1 |
| Stop lamp not working |1.2.1b| | 1 |
| Nearside Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Offside Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Battery insecure |1.9.1| | 1 |
| Nearside Front Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Offside Front Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 1 |
| Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 1 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Front Fuel pipe leaking |7.2.3| | 1 |
| Service brake is causing the vehicle to swerve to the nearside |3.7.C.2| | 1 |
| Offside Front Battery insecure |1.9.1| | 1 |
| Nearside Front suspension has excessive play in a track control arm inner bush |2.5.B.2b| | 1 |
| Offside Front suspension has excessive play in a track control arm inner bush |2.5.B.2b| | 1 |
| Nearside Rear Exhaust system not adequately supported |7.1.1| | 1 |
| Direction indicators flashing more than 120 times a minute |1.4.A.2g| | 1 |
| Nearside Front Brake hose twisted |3.6.B.4c| | 1 |
| Offside Front Upper Suspension arm has excessive play in a track control arm inner bush |2.5.B.2b| | 1 |
| Offside Front Front wheel bearing rough when rotated |2.5.A.2| | 1 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Offside Steering arm has relative movement at its fixings |2.2.B.1h| | 1 |
| Steering system has excessive free play detected at the steering wheel |steering box fitted| |2.2.A.1a| | 1 |
| Nearside Front front brake recording little or no effort |3.7.B.5a| | 1 |
| Nearside Lower Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Lower Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 1 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 1 |
| Offside Outer Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 1 |
| Offside Rear Outer Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Nearside Rear Outer Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Nearside Front Direction indicator adversely affected by the operation of another lamp |1.4.A.2h| | 1 |
| Nearside front brake juddering severely |3.7.A.2b| | 1 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Brake pedal spongy |3.3.B.1b| | 1 |
| Offside Front Ball joint has excessive play |2.2.B.1f| | 1 |
| Nearside Outer Front Ball joint has excessive play |2.2.B.1f| | 1 |
| Nearside front brake recording little or no effort |3.7.B.5a| | 1 |
| Offside Windscreen wiper blade missing |8.2.2| | 1 |
| Fuel cap/sealing device sealing washer torn |7.2.4c| | 1 |
| Windscreen wiper blade insecure | 1 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 1 |
| Nearside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Nearside Direction indicator not working |1.4.A.2c| | 1 |
| Offside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Nearside Rear Leaf spring shackle bracket corroded and seriously weakened |2.4.B.6d| | 1 |
| Offside Rear Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 1 |
| Offside Front Brake hose twisted |found during steering lock to lock check| |2.2.D.2b| | 1 |
| Nearside Inner Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Offside Front Drag link end ball joint has excessive play |2.2.B.1f| | 1 |
| Offside Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Front brake excessively fluctuating | 1 |
| Nearside Headlamp not working on main beam |1.7.5a| | 1 |
| Offside Front brake disc excessively pitted |3.5.1h| | 1 |
| Rear Fuel system component leaking pipe into tank |7.2.3| | 1 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded chassis leg |2.4.A.3| | 1 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded floor |2.4.A.3| | 1 |
| Offside Rear Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Front Lower Body insecure and dangerous to other road users |6.1.B.1b| | 1 |
| Offside Front Lower Body insecure and dangerous to other road users |6.1.B.1b| | 1 |
| Front Steering column top mounting bracket insecure |2.1.2d| | 1 |
| Offside Rear Leaf spring to axle securing nut insecure |2.4.B.7b| | 1 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 1 |
| Windscreen wiper not operating automatically when switched on |8.2.1b| | 1 |
| Offside Front coil spring incomplete |2.4.C.1a| | 1 |
| Ball joint has excessive play |2.2.B.1f| | 1 |
| Direction indicators flashing less than 60 times a minute |1.4.A.2g| | 1 |
| Front Exhaust system not adequately supported |7.1.1| | 1 |
| Brake pipe inadequately supported |3.6.B.1| | 1 |
| Offside Front Drag link end loose |2.2.B.1d| | 1 |
| Nearside Rear Leaf spring has excessive wear in a shackle pin and/or bush |2.4.B.2| | 1 |
| Offside Rear Leaf spring has excessive wear in a shackle pin and/or bush |2.4.B.2| | 1 |
| Offside Rear Leaf spring shackle pin retaining device insecurely fitted |2.4.B.3b| | 1 |
| Nearside Rear Brake pipe inadequately clipped |3.6.B.1| | 1 |
| Nearside Front Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Offside Front Steering arm cracked and unserviceable |2.2.C.1d| | 1 |
| Towbar retaining device missing |6.6.3a| | 1 |
| Nearside Front Direction indicators not working |1.4.A.2c| | 1 |
| Parking brake lever has no reserve travel |3.1.6b| | 1 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 1 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 1 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 1 |
| Nearside Rear An item not tested |Manual| | 1 |
| Offside Rear An item not tested |Manual| | 1 |
| Offside Rear Direction indicators not working |1.4.A.2c| | 1 |
| Nearside Front front brake binding |3.7.B.1| | 1 |
| Nearside Inner Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Offside Inner Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Nearside Front Trikes, quads or pre-68 vehicles, service brake imbalanced across an axle |3.7.B.5b| | 1 |
| Offside Front Trikes, quads or pre-68 vehicles, service brake imbalanced across an axle |3.7.B.5b| | 1 |
| Parking brake: efficiency below requirements |3.7.D.4| | 1 |
| Nearside Rear Hydraulic brake cylinder leaking hydraulic fluid |3.6.A.1| | 1 |
| Nearside Front Lower Ball joint has excessive play (2.2.B.1f) | 1 |
| Offside Front Lower Ball joint has excessive play (2.2.B.1f) | 1 |
| Nearside Front Upper Macpherson strut corroded and seriously weakened (2.4.G.1) | 1 |
| Offside Front Upper Macpherson strut corroded and seriously weakened (2.4.G.1) | 1 |
| Offside Front Track rod end ball joint has excessive play (2.2.B.1f) | 1 |
| Brake servo leaking (3.6.C.1c) | 1 |
| Parking brake: efficiency below requirements (3.7.B.7) | 1 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 1 |
| Brake master cylinder/servo mounting prescribed area is excessively corroded |3.6.C.3| | 1 |
| Nearside Front Upper Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Offside Front Upper Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Nearside Rear Upper Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Nearside Rear Lower Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Offside Parking brake lever has no reserve travel |3.1.6b| | 1 |
| Offside Front Body has a sharp edge caused by damage |6.1.C.1| | 1 |
| Body has a sharp edge caused by damage |6.1.C.1| | 1 |
| Offside Rear Lower Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Offside Rear Lower Body has a sharp edge caused by corrosion |6.1.C.1| | 1 |
| Front Brake pipe leaking |3.6.A.1| | 1 |
| Offside Front Direction indicators not working |1.4.A.2c| | 1 |
| Nearside Inner Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Offside Inner Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Steering box has a significant oil leak |2.2.D.2e| | 1 |
| Offside Front Brake hose twisted |3.6.B.4c| | 1 |
| Offside Outer Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Offside Rear Direction indicator adversely affected by the operation of another lamp |1.4.A.2h| | 1 |
| Offside Front Direction indicator adversely affected by the operation of another lamp |1.4.A.2h| | 1 |
| Nearside Front Lower brake caliper locking device missing |3.5.1l| | 1 |
| Nearside Rear Suspension spring mounting prescribed area is excessively corroded sill |2.4.A.3| | 1 |
| Offside Rear Suspension spring mounting prescribed area is excessively corroded sill |2.4.A.3| | 1 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Front Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Offside Front Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Nearside Front Inner Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Nearside Front Outer Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Offside Front Outer Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Offside Headlamp adversely affected by the operation of another lamp |1.7.5c| | 1 |
| Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |