| Most common failures | No# failures |
|---|
| Parking brake: efficiency below requirements |3.7.B.7| | 13 |
| Headlamp aim out of alignment | 12 |
| Rear parking brake recording little or no effort | 12 |
| Rear brake binding | 11 |
| Nearside Stop lamp not working |1.2.1b| | 9 |
| Offside Rear Stop lamp not working |1.2.1b| | 7 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 6 |
| Registration plate issues | 6 |
| Horn not working |1.6.2a| | 6 |
| Registration plate lamp issues | 6 |
| Service brake: efficiency below requirements |3.7.B.7| | 6 |
| Offside Stop lamp not working |1.2.1b| | 5 |
| Nearside Rear Stop lamp not working |1.2.1b| | 5 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 4 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 4 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 4 |
| Windscreen wiper does not clear the windscreen effectively | 4 |
| Fuel tank leaking |7.2.3| | 4 |
| Brake pipe excessively corroded | 4 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 3 |
| Direction indicators not working |1.4.A.2c| | 3 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 3 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 3 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 3 |
| Front front brake binding |3.7.B.1| | 3 |
| Steering column top mounting bracket insecure |2.1.2d| | 3 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 3 |
| Nearside Rear Direction indicators not working |1.4.A.2c| | 3 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 3 |
| Parking brake lever has no reserve travel |3.1.6b| | 3 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 3 |
| Rear Brake pipe inadequately clipped |3.6.B.1| | 3 |
| Brake pipe inadequately clipped |3.6.B.1| | 3 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 3 |
| Brake hose excessively deteriorated | 3 |
| Offside Headlamp not working on main beam |1.7.5a| | 2 |
| Offside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 2 |
| Windscreen wiper blade insecure | 2 |
| Driver`s seat insecure |6.2.A.1| | 2 |
| Indicator tell tale inoperative |1.4.A.2a| | 2 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 2 |
| Rear Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 2 |
| Nearside Front Front passenger door cannot be opened from inside the vehicle |6.2.B.1b| | 2 |
| Stop lamp remains on when the brakes are released | 2 |
| Brake pedal has no servo assistance |3.3.B.2| | 2 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 2 |
| Brake performance not tested |3.7.A.1| | 2 |
| front brake binding |3.7.B.1| | 2 |
| Brake cable locking device insecure |3.5.1l| | 2 |
| Brake cable has restricted free movement |3.5.1k| | 2 |
| Rear Trikes, quads or pre-68 vehicles, service brake efficiency below requirements |3.7.B.7| | 2 |
| Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 2 |
| Brake linkage has abnormal movement of levers indicating maladjustment |3.5.1f| | 2 |
| Nearside Rear Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 2 |
| Front Track rod end ball joint has excessive play |2.2.B.1f| | 2 |
| Steering box insecure |2.2.B.1a| | 2 |
| Direction indicators flashing less than 60 times a minute |1.4.A.2g| | 2 |
| Service brake: efficiency below requirements |3.7.C.1a| | 2 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 2 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 2 |
| Front wheel bearing has excessive play |2.5.A.3c| | 2 |
| Centre front brake binding |3.7.B.1| | 2 |
| Offside Rear Leaf spring eye defective |anchor| |2.4.B.1b| | 2 |
| Front Headlamp not working on dipped beam |1.7.5a| | 2 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 2 |
| Rear Exhaust system not adequately supported |7.1.1| | 2 |
| Steering column shaft has excessive end float |2.1.3| | 1 |
| Front Braking system leaking |3.6.A.1| | 1 |
| Steering column has excessive movement up and down |2.2.2 |a|| | 1 |
| Offside Rear Service brake excessively binding |1.2.1 |f|| | 1 |
| Windscreen wiper not operating automatically when switched on |8.2.1b| | 1 |
| Nearside Front Body has a sharp edge caused by damage |6.1.C.1| | 1 |
| Brake pedal spongy |3.3.B.1b| | 1 |
| Front passenger door cannot be opened from inside the vehicle |6.2.B.1b| | 1 |
| Front passenger door cannot be opened from outside the vehicle |6.2.B.1b| | 1 |
| Front Windscreen wiper not operating automatically when switched on |8.2.1b| | 1 |
| Nearside Windscreen wiper not operating automatically when switched on |8.2.1b| | 1 |
| Offside Windscreen wiper not operating automatically when switched on |8.2.1b| | 1 |
| Nearside Rear reflector not red in colour |1.5.1d| | 1 |
| Offside Rear reflector not red in colour |1.5.1d| | 1 |
| Nearside Headlamp not working on main beam |1.7.5a| | 1 |
| Offside Rear Wheel nut|s| missing |4.2.A.1e| | 1 |
| Nearside Rear Wheel nut|s| missing |4.2.A.1e| | 1 |
| Front Seat belt damaged sufficient to significantly weakened the webbing |5.2.2a| | 1 |
| Nearside Headlamp aim not tested |1.8.A.1c| | 1 |
| Offside Rear Stop lamp excessively damaged so that it is not visible from a reasonable distance |1.2.1d| | 1 |
| Front Stub axle distorted |2.5.A.5b| | 1 |
| Front Road wheel bead rim badly distorted |4.2.A.1a| | 1 |
| Front front brake juddering severely |3.7.A.2b| | 1 |
| An item not tested |Manual| | 1 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 1 |
| Nearside Front All position lamps not working |1.1.A.3b| | 1 |
| Offside Front All position lamps not working |1.1.A.3b| | 1 |
| Offside Rear All position lamps not working |1.1.A.3b| | 1 |
| Nearside Direction indicators flashing less than 60 times a minute |1.4.A.2g| | 1 |
| Offside Direction indicators flashing more than 120 times a minute |1.4.A.2g| | 1 |
| Bonnet cannot be secured in the closed position |8.4.1| | 1 |
| Indicator switch faulty |1.4.A.1| | 1 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 1 |
| Front Front passenger door cannot be opened from inside the vehicle |6.2.B.1b| | 1 |
| Offside Front Obligatory mirror missing |8.1.1| | 1 |
| Driver`s seat fore and aft adjustment mechanism not functioning as intended. |6.2.A.3| | 1 |
| Brake pedal functionally incomplete |3.3.A.1a| | 1 |
| Rear Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 1 |
| Offside Front Seat belt has a cut which has significantly weakened the webbing |5.2.2a| | 1 |
| Rear Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Brake master cylinder fluid level below minimum level |3.6.G.1e| | 1 |
| Rear brake application uneven | 1 |
| Offside Rear Body has a sharp edge caused by damage |6.1.C.1| | 1 |
| Nearside Front Front suspension inadequate damping effect |9.2.7d| | 1 |
| Offside Front Front suspension inadequate damping effect |9.2.7d| | 1 |
| Rear Brake pedal spongy |3.3.B.1b| | 1 |
| Hazard warning lamps inoperative |1.4.B.1b| | 1 |
| Nearside Rear Rear reflector missing |1.5.1a| | 1 |
| Offside Rear Rear reflector missing |1.5.1a| | 1 |
| Parking brake not fitted on at least one wheel on a 3 wheeled vehicle |3.1.1| | 1 |
| Parking brake is not capable of being maintained in operation by direct mechanical action only |3.1.2| | 1 |
| Front brake disc insecure |3.5.1i| | 1 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 1 |
| Fuel cap/sealing device mounting flange/sealing method defective |7.2.4c| | 1 |
| Rear Brake pipe kinked |3.6.B.2b| | 1 |
| Offside Rear Additional braking device has inadequate clearance between other components |3.6.I.2| | 1 |
| Brake pedal actuating rod excessively damaged and seriously weakened |3.3.A.1g| | 1 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Front Fuel system component insecure |7.2.1| | 1 |
| Rear Fuel system component insecure |7.2.1| | 1 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Brake cable has wires broken and is significantly weakened |3.5.1b| | 1 |
| Steering component damaged and unserviceable |2.2.C.1d| | 1 |
| Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 1 |
| Steering headbearing has excessive free play |9.2.4| | 1 |
| Exhaust system not adequately supported |7.1.1| | 1 |
| Parking brake lever ratchet mechanism is broken |3.1.5| | 1 |
| Front shock absorber leaking oil |9.2.7b| | 1 |
| Offside brake disc contaminated by oil |3.5.1h| | 1 |
| Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 1 |
| Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 1 |
| Parking brake efficiency below requirements |3.7.C.1b| | 1 |
| Nearside Rear Braking system leaking |3.6.A.1| | 1 |
| Nearside Rear Torsion bar attachment bracket fractured |2.4.E.4b| | 1 |
| Trikes, quads or pre-68 vehicles, service brake efficiency below requirements |3.7.B.7| | 1 |
| All position lamps adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Nearside Indicator tell tale inoperative |1.4.A.2a| | 1 |
| Offside Rear Hazard warning lamps inoperative |1.4.B.1b| | 1 |
| Hazard warning tell tale not working correctly |1.4.B.1e| | 1 |
| Offside Rear Direction indicator adversely affected by the operation of another lamp |1.4.A.2h| | 1 |
| Front Brake pedal spongy |3.3.B.1b| | 1 |
| Nearside Rear Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 1 |
| Offside Front Headlamp insecure |1.7.3| | 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 |
| Nearside Rear Service brake: efficiency below requirements |3.7.B.7| | 1 |
| Nearside Stop lamp excessively damaged so that it is not visible from a reasonable distance |1.2.1d| | 1 |
| Front Sub-frame corroded and seriously weakened |2.4.G.1| | 1 |
| Front Direction indicators not working |1.4.A.2c| | 1 |
| Rear Direction indicators not working |1.4.A.2c| | 1 |
| Front Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 1 |
| Offside Driver`s door cannot be opened from inside the vehicle |6.2.B.1b| | 1 |
| Nearside Driver`s door cannot be opened from inside the vehicle |6.2.B.1b| | 1 |
| Rear Parking brake lever has no reserve travel |3.1.6b| | 1 |
| Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Front position lamp|s| not working |1.1.A.3b| | 1 |
| Front position lamp|s| missing |1.1.A.3a| | 1 |
| Obligatory mirror missing |8.1.1| | 1 |
| Steering system fouling |2.2.D.2a| | 1 |
| Offside Rear Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Front suspension inadequate damping effect |9.2.7d| | 1 |
| Nearside Front suspension assembly component fouling fork leg |9.2.5f| | 1 |
| Offside Front suspension assembly component fouling fork leg |9.2.5f| | 1 |
| Brake hose has insufficient room to move | 1 |
| Stop lamp not working |1.2.1b| | 1 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 1 |
| Offside Obligatory mirror missing |8.1.1| | 1 |
| Front Suspension arm cracked |2.4.G.1| | 1 |
| Rear Anti-roll bar attachment bracket/mounting fractured |2.4.G.1| | 1 |
| Front Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a| | 1 |
| Front Shock absorber casing corroded externally so the unit does not function |2.7.2a| | 1 |
| Steering column top bearing excessively worn |2.1.2c| | 1 |
| Brake rod locking device missing |3.5.1l| | 1 |
| Brake pedal fouling on other parts of the vehicle |3.3.A.4| | 1 |
| Nearside Exhaust system not adequately supported |7.1.1| | 1 |
| Offside Exhaust system not adequately supported |7.1.1| | 1 |
| Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Brake pedal creeps down when held under pressure |3.3.B.1a| | 1 |
| Fuel system component insecure |7.2.1| | 1 |
| Handlebar mounting clamp loose |9.2.1c| | 1 |
| Fuel system component leaking |7.2.3| | 1 |
| Nearside Windscreen wiper blade missing (8.2.2) | 1 |
| Body insecure and dangerous to other road users (6.1.B.1b) | 1 |
| Nearside Rear Shock absorber insecure (2.7.2b) | 1 |
| Offside Rear Shock absorber insecure (2.7.2b) | 1 |
| Electrical wiring insecure (1.9.2a) | 1 |
| Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings (6.1.B.2) | 1 |
| Drivers door cannot be opened from inside the vehicle (6.2.B.1b) | 1 |
| Steering system has excessive free play detected at the steering wheel (steering box fitted) (2.2.A.1a) | 1 |
| Nearside Rear Anti-roll bar attachment bracket/mounting fractured |2.4.G.1| | 1 |
| Offside Rear Anti-roll bar attachment bracket/mounting fractured |2.4.G.1| | 1 |
| Front Radius arm fractured |2.4.G.1| | 1 |
| Intermediate drop arm insecure |2.2.B.1a| | 1 |
| Rear Service brake excessively binding (1.2.1 (f)) | 1 |
| Driver`s door cannot be opened from outside the vehicle |6.2.B.1b| | 1 |
| Front position lamp|s| not working both |1.1.A.3b| | 1 |
| Rear position lamp|s| not working both dont work on stage 1 of switch |1.1.A.3b| | 1 |
| Offside Front Lower Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 1 |
| Nearside Rear Upper Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 1 |
| Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Rear Fuel cap/sealing device does not fasten securely by positive means |7.2.4b| | 1 |
| Rear Rear passenger seat cannot be secured in the upright position. |6.2.3| | 1 |
| Front Steering wheel weakened by fractures |2.1.1| | 1 |
| Offside Obligatory mirror insecure |8.1.1| | 1 |
| Brake hose damaged | 1 |
| Front wheel bearing rough when rotated |2.5.A.2| | 1 |
| Nearside Front Seat belt obviously repaired |5.2.2c| | 1 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 1 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Front Brake pipe inadequately supported |3.6.B.1| | 1 |
| Nearside Rear Mechanical brake component locking device missing |3.5.1l| | 1 |
| Centre Front Upper Shock absorber has an excessively worn linkage |2.7.4| | 1 |
| Parking brake lever defective so that it cannot be satisfactorily operated |3.1.3c| | 1 |
| Nearside Front Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 1 |
| Nearside Rear Leaf spring deteriorated and seriously weakened |2.4.B.1a| | 1 |
| Offside Rear Leaf spring deteriorated and seriously weakened |2.4.B.1a| | 1 |
| Front Steering box has relative movement between sector shaft and the drop arm |2.2.B.1b| | 1 |
| Offside Rear Shock absorbers insecurely attached bracket cracked (5.3.2 (a) (i)) | 1 |
| Front front brake recording little or no effort |3.7.B.5a| | 1 |
| Nearside Shock absorber has negligible damping effect |2.7.5| | 1 |
| Offside Shock absorber has negligible damping effect |2.7.5| | 1 |
| Nearside Shock absorber has an excessively worn bush |2.7.4| | 1 |
| Offside Shock absorber has an excessively worn bush |2.7.4| | 1 |
| Indicator tell tale missing |1.4.A.2a| | 1 |
| Nearside Rear reflector missing |1.5.1a| | 1 |
| Nearside Rear rear brake grabbing severely |3.7.A.5b| | 1 |
| Offside Rear position lamp|s| excessively damaged so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Driver`s door does not latch securely closed |6.2.B.1a| | 1 |
| Rear passenger seat cannot be secured in the upright position. |6.2.3| | 1 |
| Front Steering arm has relative movement at its fixings |2.2.B.1h| | 1 |
| Headlamp not working on dipped beam |1.7.5a| | 1 |
| Front Exhaust mounting missing |7.1.1b| | 1 |
| Nearside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Nearside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 1 |
| Nearside Front Direction indicators not working |1.4.A.2c| | 1 |
| Offside Front Direction indicators not working |1.4.A.2c| | 1 |
| Offside Rear Direction indicators not working |1.4.A.2c| | 1 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Centre Front wheel bearing has excessive play |2.5.A.3c| | 1 |
| Direction indicators flashing more than 120 times a minute |1.4.A.2g| | 1 |
| Rear reflector missing |1.5.1a| | 1 |
| Front wheel spindle securing nut locking device missing |9.2.8b| | 1 |
| Offside Rear Anti-roll bar linkage corroded and seriously weakened |2.4.G.1| | 1 |
| Rear Brake clevis joint locking device missing |3.5.1l| | 1 |
| Offside Rear front brake binding |3.7.B.1| | 1 |
| Centre front brake recording little or no effort |3.7.B.5a| | 1 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 1 |
| Nearside Headlamp excessively damaged so that the light output is severely reduced |1.7.5a| | 1 |
| Offside Rear Front position lamp|s| not working |1.1.A.3b| | 1 |
| Fuel cap/sealing device sealing washer torn |7.2.4c| | 1 |
| Front Lower Shock absorber has an excessively worn bush |2.7.4| | 1 |
| Brake hydraulic reservoir fluid level below minimum level |3.6.G.1b| | 1 |
| Front Steering component mounting prescribed area is excessively corroded |2.2.C.1h| | 1 |
| Nearside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Front Steering system has excessive free play detected at the steering wheel |steering box fitted| |2.2.A.1a| | 1 |
| Front Front wheel bearing has excessive play |2.5.A.3c| | 1 |