| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 22 |
| Registration plate lamp issues | 13 |
| Brakes imbalanced across an axle | 12 |
| Parking brake: efficiency below requirements |3.7.B.7| | 12 |
| Windscreen wiper does not clear the windscreen effectively | 10 |
| Horn not working |1.6.2a| | 8 |
| Service brake: efficiency below requirements |3.7.B.7| | 8 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 7 |
| Offside Stop lamp not working |1.2.1b| | 7 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 6 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 5 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 4 |
| Offside Headlamp not working on main beam |1.7.5a| | 4 |
| Direction indicators not working |1.4.A.2c| | 4 |
| Nearside Stop lamp not working |1.2.1b| | 4 |
| Rear brake binding | 4 |
| Offside Rear Stop lamp not working |1.2.1b| | 4 |
| Nearside Front Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a| | 3 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 3 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 3 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 3 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 3 |
| Brake hose excessively deteriorated | 3 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 3 |
| Battery insecure |1.9.1| | 3 |
| Registration plate issues | 3 |
| Nearside Rear Stop lamp not working |1.2.1b| | 3 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 3 |
| Indicator tell tale inoperative |1.4.A.2a| | 3 |
| Front passenger door cannot be opened from inside the vehicle |6.2.B.1b| | 2 |
| Offside Front Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a| | 2 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 2 |
| Nearside Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a| | 2 |
| Front brake application uneven | 2 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Offside Front Upper Suspension arm has excessive play in a pin/bearing |2.4.G.2| | 2 |
| Nearside Front front brake recording little or no effort |3.7.B.5a| | 2 |
| Nearside Side repeater not working |1.4.A.2c| | 2 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 2 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 2 |
| Service brake is causing the vehicle to swerve to the nearside |3.7.C.2| | 2 |
| Nearside Steering arm has relative movement at its fixings |2.2.B.1h| | 2 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 2 |
| Stop lamp not working |1.2.1b| | 2 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 2 |
| Nearside Headlamp not working on main beam |1.7.5a| | 2 |
| Offside Rear Suspension arm corroded and seriously weakened |2.4.G.1| | 1 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Offside Rear Braking system leaking |3.6.A.1| | 1 |
| Offside Front Lower Front suspension locking device ineffective |2.5.A.4| | 1 |
| Offside Front Wheel insecure |4.2.A.1c| | 1 |
| Nearside Windscreen wiper blade missing |8.2.2| | 1 |
| Offside Windscreen wiper blade missing |8.2.2| | 1 |
| Nearside Front Lower Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Nearside Rear Suspension component mounting prescribed area is inadequately repaired |2.4.A.3| | 1 |
| Offside Rear Suspension component mounting prescribed area is inadequately repaired |2.4.A.3| | 1 |
| Nearside Front Upper Suspension arm has excessive play in a pin/bearing |2.4.G.2| | 1 |
| Rear Suspension component mounting prescribed area is inadequately repaired |2.4.A.3| | 1 |
| Nearside Suspension component mounting prescribed area is inadequately repaired |2.4.A.3| | 1 |
| Offside Suspension component mounting prescribed area is inadequately repaired |2.4.A.3| | 1 |
| Nearside Front Suspension component mounting prescribed area is inadequately repaired |2.4.A.3| | 1 |
| Offside Front Suspension component mounting prescribed area is inadequately repaired |2.4.A.3| | 1 |
| Offside Front Upper Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Offside Upper Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 1 |
| Offside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Parking brake mechanism/associated mounting prescribed area is excessively corroded |3.1.9| | 1 |
| Nearside Front Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Nearside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 1 |
| Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 1 |
| Nearside Front Seat belt anchorage prescribed area is inadequately repaired |5.2.6| | 1 |
| Nearside Front position lamp|s| incorrect colour |1.1.A.3e| | 1 |
| Offside Front position lamp|s| incorrect colour |1.1.A.3e| | 1 |
| Nearside Headlamp aim beam image kick up to the offside |1.8| | 1 |
| Offside Headlamp aim beam image kick up to the offside |1.8| | 1 |
| Nearside Steering pivot point has excessive play |2.2.B.1g| | 1 |
| Offside Steering pivot point has excessive play |2.2.B.1g| | 1 |
| Front Headlamp not working on dipped beam |1.7.5a| | 1 |
| Front Headlamp not working on main beam |1.7.5a| | 1 |
| Nearside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 1 |
| Bonnet cannot be secured in the closed position |8.4.1| | 1 |
| Front position lamp|s| incorrect colour |1.1.A.3e| | 1 |
| Front wheel bearing rough when rotated |2.5.A.2| | 1 |
| Headlamp not working on main beam |1.7.5a| | 1 |
| Nearside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Nearside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 1 |
| Offside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 1 |
| Nearside Headlamp does not operate immediately when selected on main beam |1.7.4a| | 1 |
| Nearside Front Direction indicators not working |1.4.A.2c| | 1 |
| Rear parking brake recording little or no effort | 1 |
| Steering box has relative movement between sector shaft and the drop arm |2.2.B.1b| | 1 |
| Offside Rear Rear wheel bearing rough when rotated |2.6.1| | 1 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 1 |
| Front Windscreen wiper not operating automatically when switched on |8.2.1b| | 1 |
| Nearside Front Upper Suspension arm attachment bracket/mounting insecure bolt head snapped of |2.4.G.1| | 1 |
| Headlamp adversely affected by the operation of another lamp both |1.7.5c| | 1 |
| Headlamp aim beam image obviously incorrect both |1.8.A.1b| | 1 |
| Nearside Front Headlamp insecure |1.7.3| | 1 |
| Offside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 1 |
| Nearside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Offside Outer Front Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Windscreen wiper not working |3.4 |a|| | 1 |
| Nearside Front Braking system leaking |3.6.A.1| | 1 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 1 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 1 |
| Nearside Front Direction indicators adversely affected by the operation of another lamp |1.4.A.2h| | 1 |
| Nearside Front Headlamp aim not tested |1.8.A.1c| | 1 |
| Front Hydraulic brake cylinder leaking hydraulic fluid |3.6.A.1| | 1 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 1 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Nearside Front Brake pipe inadequately supported |3.6.B.1| | 1 |
| Offside Front Brake pipe inadequately supported |3.6.B.1| | 1 |
| Nearside Headlamp aim not tested |1.8.A.1c| | 1 |
| Parking brake lever has no reserve travel |3.1.6b| | 1 |
| Brake pedal has insufficient reserve movement |3.3.A.5| | 1 |
| Offside Front front brake recording little or no effort |3.7.B.5a| | 1 |
| Nearside Rear front brake recording little or no effort |3.7.B.5a| | 1 |
| Offside Rear front brake recording little or no effort |3.7.B.5a| | 1 |
| Offside front parking brake recording little or no effort |3.7.B.6a| | 1 |
| Brake hydraulic reservoir fluid level below minimum level |3.6.G.1b| | 1 |
| Nearside Rear Front position lamp|s| not working |1.1.A.3b| | 1 |
| Service brake: efficiency below requirements |3.7.C.1a| | 1 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 1 |
| Offside Front Wheel bolt|s| loose |4.2.A.1e| | 1 |
| Offside Rear Wheel bolt|s| loose |4.2.A.1e| | 1 |
| Nearside Front Wheel bolt|s| missing |4.2.A.1e| | 1 |
| Nearside Rear Wheel bolt|s| missing |4.2.A.1e| | 1 |
| Service brake grabbing severely |3.7.C.2| | 1 |
| Nearside Front Direction indicator incorrect colour |4.4.3 |a|| | 1 |
| Offside Front Direction indicator incorrect colour |4.4.3 |a|| | 1 |
| Offside Rear Suspension arm corroded and seriously weakened (5.3.3 (b) (i)) | 1 |
| Front Axle king pin is loose in the axle beam both (5.1.2 (d) (i)) | 1 |
| Rear Wheel bearing rough when rotated both (5.1.3 (b) (i)) | 1 |
| Floor excessively deteriorated (6.2.4 (a) (i)) | 1 |
| Front Position lamp not working both (4.2.1 (a) (ii)) | 1 |
| Nearside Rear Shock absorber has negligible damping effect |2.7.5| | 1 |
| Offside Rear Shock absorber detached |2.7.2b| | 1 |
| Front Passenger`s seat insecure |6.2.A.1| | 1 |
| Driver`s seat insecure |6.2.A.1| | 1 |
| Driver`s seat fore and aft adjustment mechanism not functioning as intended. |6.2.A.3| | 1 |
| Steering system has excessive free play detected at the steering wheel |steering box fitted| |2.2.A.1a| | 1 |
| Nearside Front Seat belt locking mechanism does not secure or release |5.2.5a| | 1 |
| Hazard warning tell tale not working correctly |1.4.B.1e| | 1 |
| Front passenger door cannot be opened from outside the vehicle |6.2.B.1b| | 1 |
| Nearside Rear coil spring fractured |2.4.C.1a| | 1 |
| Offside Headlamp insecure |1.7.3| | 1 |
| Driver`s door does not latch securely closed |6.2.B.1a| | 1 |
| Front Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 1 |
| Front Windscreen wiper blade deteriorated |8.2.2| | 1 |
| Exhaust emits clearly visible black smoke during acceleration |7.3.A.2c| | 1 |
| Rear Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 1 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Hazard warning lamps not fitted |1.4.B.1a| | 1 |
| Rear fog lamp missing |1.3.2a| | 1 |
| Windscreen wiper not operating automatically when switched on |8.2.1b| | 1 |
| 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| | 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 |
| 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| | 1 |
| Offside 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 |
| Brake pipe fouled by moving parts handbrake lever and starting cable |3.6.B.2a| | 1 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 1 |
| Offside Rear wheel bearing has excessive play |2.6.2| | 1 |
| Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Centre Front Steering column shaft has excessive end float |2.1.3| | 1 |
| Centre Front Front wheel bearing has excessive play |2.5.A.3c| | 1 |
| Centre Front Wheel insecure |4.2.A.1c| | 1 |
| Nearside Rear Trikes, quads or pre-68 vehicles, service brake efficiency below requirements |3.7.B.7| | 1 |
| Centre Front Trikes, quads or pre-68 vehicles, service brake imbalanced across an axle |3.7.B.5b| | 1 |
| Bootlid cannot be secured in the closed position |6.4.1| | 1 |
| Nearside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside front brake binding |3.7.B.1| | 1 |
| rear brake recording little or no effort |3.7.B.5a| | 1 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 1 |
| Nearside Rear Braking system leaking |3.6.A.1| | 1 |
| Offside Front Steering system has a road wheel fouling a part of the vehicle |2.2.D.2a| | 1 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 1 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 1 |
| Front Lower Steering component mounting prescribed area is excessively corroded |2.2.C.1h| | 1 |
| Front Lower Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Front Lower Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 1 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 1 |
| Nearside Headlamp not in good working order |not working| |1.2.4a| | 1 |
| Power steering component|s| leaking |2.3.3b| | 1 |
| Nearside All position lamps not working |1.1.A.3b| | 1 |
| Offside Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 1 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 1 |
| Offside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Nearside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Centre Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Brake cable has wires broken and is significantly weakened |3.5.1b| | 1 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Windscreen washer not working | 1 |
| Steering component mounting prescribed area is inadequately repaired |2.2.C.1h| | 1 |
| Nearside Front Outer Ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Offside Front Outer Ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Nearside Rear Position lamp likely to become detached |4.2.1 |c| |ii|| | 1 |
| Driver`s seat fore and aft adjustment mechanism not functioning as intended. |6.2.5 |b| |i|| | 1 |
| Offside Windscreen has a sticker or other obstruction encroaching by more than 10mm within zone `A` |8.3.1b| | 1 |
| Nearside Windscreen has a sticker or other obstruction encroaching by more than 10mm within zone `A` |8.3.1b| | 1 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Nearside Rear Brake hose excessively damaged |3.6.B.4d| | 1 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 1 |
| passenger door cannot be opened from outside the vehicle |6.2.B.1c| | 1 |
| Steering component mounting prescribed area is excessively corroded |2.2.C.1h| | 1 |
| Brake pipe excessively corroded | 1 |
| Offside Rear wheel cylinder leaking |3.6.A.1| | 1 |
| Offside Side repeater not working |1.4.A.2c| | 1 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 1 |
| Offside Front Steering component cracked and unserviceable |2.2.C.1d| | 1 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 1 |