| Most common failures | No# failures |
|---|
| Parking brake: efficiency below requirements |3.7.B.7| | 19 |
| Brakes imbalanced across an axle | 17 |
| Rear parking brake recording little or no effort | 11 |
| Rear brake binding | 10 |
| Headlamp aim out of alignment | 9 |
| Service brake: efficiency below requirements |3.7.B.7| | 9 |
| Registration plate lamp issues | 8 |
| Windscreen wiper does not clear the windscreen effectively | 7 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 6 |
| Front brake application uneven | 5 |
| Nearside Stop lamp not working |1.2.1b| | 5 |
| Offside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 5 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 5 |
| Nearside Front front brake binding |3.7.B.1| | 4 |
| Horn not working |1.6.2a| | 4 |
| Brake hose excessively deteriorated | 4 |
| Offside Front Shock absorber insecure |2.7.2b| | 3 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 3 |
| Service brake: efficiency below requirements |3.7.C.1a| | 3 |
| Nearside Front Shock absorber has negligible damping effect |2.7.5| | 3 |
| Parking brake lever has no reserve travel |3.1.6b| | 3 |
| Brake master cylinder leaking hydraulic fluid |3.6.G.1f| | 2 |
| Nearside Front Steering locking device missing |2.2.C.1g| | 2 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Nearside Front Shock absorber insecure |2.7.2b| | 2 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 2 |
| Offside Front front brake recording little or no effort |3.7.B.5a| | 2 |
| Nearside Headlamp not working on main beam |1.7.5a| | 2 |
| Steering system excessively tight |2.2.D.1| | 2 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 2 |
| Hydraulic brake cylinder leaking hydraulic fluid |3.6.A.1| | 2 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 2 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 2 |
| Offside Headlamp not working on main beam |1.7.5a| | 2 |
| Offside Stop lamp not working |1.2.1b| | 2 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 2 |
| Brake hose has insufficient room to move | 2 |
| Rear Exhaust system not adequately supported |7.1.1| | 2 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 2 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 2 |
| Nearside front brake binding |3.7.B.1| | 2 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 2 |
| All position lamps not working |1.1.A.3b| | 2 |
| Brake pipe excessively corroded | 2 |
| Direction indicators not working |1.4.A.2c| | 2 |
| Nearside Rear Road wheel distorted |4.2.A.1a| | 1 |
| Nearside Rear Lower Vehicle structure has an inadequate repair, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Rear Lower Vehicle structure has an inadequate repair, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Nearside Rear Lower Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Rear Lower Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Front Lower Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Fuel pipe leaking |7.2.3| | 1 |
| Centre Front Fuel system component insecure |7.2.1| | 1 |
| Nearside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Rear Stop lamp missing |1.2.1a| | 1 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 1 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 1 |
| Offside Front Obligatory mirror seriously deteriorated, affecting the rear view |8.1.2a| | 1 |
| Offside Front Seat belt insecurely fixed to the seat |5.2.1a| | 1 |
| Nearside Front Steering component is not secure to the vehicle structure |2.2.B.1a| | 1 |
| Offside Front Steering component is not secure to the vehicle structure |2.2.B.1a| | 1 |
| Offside Front Brake pipe leaking |3.6.A.1| | 1 |
| Nearside Front Suspension arm locating pin locking device not properly locked |2.4.G.3b| | 1 |
| Offside Front Suspension arm locating pin locking device not properly locked |2.4.G.3b| | 1 |
| Windscreen is of a temporary type |8.3.1f| | 1 |
| Nearside Rear Braking system leaking |3.6.A.1| | 1 |
| Offside Obligatory mirror insecure |8.1.1| | 1 |
| Registration plate issues | 1 |
| Nearside rear brake recording little or no effort (3.7.B.5a) | 1 |
| Offside rear brake recording little or no effort (3.7.B.5a) | 1 |
| Service brake: efficiency below requirements (3.7.B.7) | 1 |
| Nearside Front Lower Axle swivel joint has excessive play (2.5.A.3b) | 1 |
| Brake pedal creeps down when held under pressure (3.3.B.1a) | 1 |
| Brake pedal spongy (3.3.B.1b) | 1 |
| Nearside Stop lamp not working (1.2.1b) | 1 |
| Offside Stop lamp not working (1.2.1b) | 1 |
| Offside Headlamp excessively damaged so that the light output is severely reduced |1.7.5a| | 1 |
| Brake hose damaged | 1 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 1 |
| Nearside Headlamp aim not tested |1.8.A.1c| | 1 |
| Direction indicators flashing more than 120 times a minute |1.4.A.2g| | 1 |
| Nearside Rear brake drum contaminated by oil |3.5.1h| | 1 |
| Offside Steering locking device missing |2.2.C.1g| | 1 |
| Nearside Steering locking device missing |2.2.C.1g| | 1 |
| Nearside Rear Upper Suspension arm which is adjustable, locking device missing |2.4.G.1| | 1 |
| Nearside Rear Lower Suspension arm which is adjustable, locking device missing |2.4.G.1| | 1 |
| Offside Rear Lower Suspension arm which is adjustable, locking device missing |2.4.G.1| | 1 |
| Nearside Rear Shock absorber insecure |2.7.2b| | 1 |
| Offside Rear Shock absorber insecure |2.7.2b| | 1 |
| Nearside Rear Suspension arm insecure |2.4.G.1| | 1 |
| Offside Rear Suspension arm insecure |2.4.G.1| | 1 |
| Nearside Rear reflector missing |1.5.1a| | 1 |
| Offside Rear reflector missing |1.5.1a| | 1 |
| Offside Brake pipe inadequately clipped |3.6.B.1| | 1 |
| Fuel system component leaking |7.2.3| | 1 |
| Braking system leaking |3.6.A.1| | 1 |
| Nearside Rear Leaf spring has a deteriorated shackle pin rubber bush resulting in excessive movement |2.4.B.2| | 1 |
| Offside Rear Leaf spring has a deteriorated shackle pin rubber bush resulting in excessive movement |2.4.B.2| | 1 |
| Nearside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 1 |
| Offside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 1 |
| Offside Front Brake master cylinder/servo mounting prescribed area is inadequately repaired |3.6.C.3| | 1 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a| | 1 |
| Offside Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a| | 1 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 1 |
| Offside Rear Stop lamp not working |1.2.1b| | 1 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Nearside Rear Leaf spring shackle bracket corroded and seriously weakened |2.4.B.6d| | 1 |
| Offside Windscreen wiper blade missing |8.2.2| | 1 |
| Nearside Front wheel cylinder leaking |3.6.A.1| | 1 |
| Parking brake mechanism/associated mounting prescribed area is fractured |3.1.9| | 1 |
| Front wheel bearing has excessive play |2.5.A.3c| | 1 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 1 |
| Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Nearside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Offside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Nearside Semaphore indicator arm arm does not show an amber light to the rear |1.4.C.1b| | 1 |
| Steering wheel locking device insecure |2.1.6| | 1 |
| Nearside Headlamp does not operate immediately when selected on main beam |1.7.4a| | 1 |
| Offside Headlamp does not operate immediately when selected on main beam |1.7.4a| | 1 |
| Centre Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 1 |
| Nearside Front Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a| | 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 Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Nearside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Fuel cap/sealing device sealing washer torn |7.2.4c| | 1 |
| Rear Brake pipe leaking |3.6.A.1| | 1 |
| Offside Front Shock absorber has negligible damping effect |2.7.5| | 1 |
| Offside Parking brake mechanism/associated mounting prescribed area is excessively corroded |3.1.9| | 1 |
| Offside Front Braking system leaking |3.6.A.1| | 1 |
| Nearside Steering system fouling |2.2.D.2a| | 1 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Nearside Windscreen wiper blade missing |8.2.2| | 1 |
| Front Fuel pipe leaking |7.2.3| | 1 |
| Offside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Tailgate cannot be secured in the closed position |6.4.1| | 1 |
| Nearside Rear position lamp|s| incorrect colour |1.1.A.3e| | 1 |
| Offside Rear position lamp|s| incorrect colour |1.1.A.3e| | 1 |
| Nearside Stop lamp emits other than a steady red light |1.2.1e| | 1 |
| Offside Stop lamp emits other than a steady red light |1.2.1e| | 1 |
| Fuel cap/sealing device sealing washer deteriorated |7.2.4c| | 1 |
| Rear Brake pipe inadequately clipped |3.6.B.1| | 1 |
| Centre Brake pipe inadequately clipped |3.6.B.1| | 1 |
| Front Brake pipe inadequately clipped |3.6.B.1| | 1 |
| Outer Front Brake pipe inadequately clipped |3.6.B.1| | 1 |
| Nearside Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 1 |
| Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Brake pedal spongy |3.3.B.1b| | 1 |
| Nearside Front Upper Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 1 |
| Nearside Rear Shock absorber has an excessively worn linkage |2.7.4| | 1 |
| Offside Rear Shock absorber has an excessively worn linkage |2.7.4| | 1 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Trikes, quads or pre-68 vehicles, service brake efficiency below requirements |3.7.B.7| | 1 |
| Parking brake efficiency below requirements |3.7.C.1b| | 1 |
| Nearside Rear Leaf spring cracked |2.4.B.1a| | 1 |
| Nearside Inner Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Fuel cap/sealing device sealing washer missing |7.2.4c| | 1 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 1 |
| Offside Front Coil spring mounting corroded and seriously weakened |2.4.C.3c| | 1 |
| Nearside Front Semaphore indicator arm does not extend smoothly |1.4.C.1a| | 1 |
| Nearside Front front brake recording little or no effort |3.7.B.5a| | 1 |
| Mechanical brake component securing device missing |3.5.1i| | 1 |
| Offside Rear Direction indicators not working |1.4.A.2c| | 1 |
| Offside Direction indicators flashing more than 120 times a minute |1.4.A.2g| | 1 |
| Headlamp aim beam image kick up to the offside |1.8| | 1 |
| front brake binding |3.7.B.1| | 1 |
| Nearside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Direction indicators flashing less than 60 times a minute |1.4.A.2g| | 1 |
| Parking brake lever, pawl mechanism pivot|s| or their associated mountings locking device insecure |3.1.4b| | 1 |
| Offside Rear Anti-roll bar attachment bracket/mounting insecure |2.4.G.1| | 1 |
| Offside Front front brake binding |3.7.B.1| | 1 |
| Nearside front brake juddering severely |3.7.A.2b| | 1 |
| Offside front brake juddering severely |3.7.A.2b| | 1 |
| Rear brake application uneven | 1 |
| rear brakes release unevenly |3.7.B.4| | 1 |
| Nearside Dipswitch operation does not extinguish all main beam headlamps leaving at least one pair of dipped beam headlamps |1.7.4b| | 1 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 1 |
| Offside Front Direction indicator not working |1.4.A.2c| | 1 |
| Rear Mechanical brake component has restricted free movement | 1 |
| Nearside Rear Hydraulic brake cylinder leaking hydraulic fluid |3.6.A.1| | 1 |
| Offside Front Front wheel bearing rough when rotated |2.5.A.2| | 1 |
| Brake pedal has insufficient reserve movement |3.3.A.5| | 1 |
| Nearside Windscreen wiper not operating over a large enough area to give an adequate view |8.2.1c| | 1 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Windscreen washer not working | 1 |
| Horn not working (7.7 (a)) | 1 |