| Most common failures | No# failures |
|---|
| Registration plate issues | 45 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 17 |
| Registration plate lamp issues | 11 |
| Horn not working |1.6.2a| | 10 |
| Headlamp aim out of alignment | 10 |
| Parking brake efficiency below requirements |3.7.C.1b| | 6 |
| Nearside Obligatory mirror missing |8.1.1| | 6 |
| Exhaust noise is clearly in excess of that emitted by a similar vehicle fitted with a standard silencer in average condition |7.1.4| | 6 |
| Rear Rear reflector missing |1.5.1a| | 5 |
| Front Front position lamp|s| not working |1.1.A.3b| | 5 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 5 |
| Direction indicators not working |1.4.A.2c| | 4 |
| Offside Front Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 4 |
| Parking brake is not capable of being maintained in operation by direct mechanical action only |3.1.2| | 4 |
| Offside Obligatory mirror missing |8.1.1| | 4 |
| Parking brake lever has no reserve travel |3.1.6b| | 4 |
| Indicator tell tale missing |1.4.A.2a| | 4 |
| Offside Rear reflector missing |1.5.1a| | 4 |
| Hazard warning switch missing |1.4.B.1d| | 3 |
| Hazard warning tell tale not working correctly |1.4.B.1e| | 3 |
| Offside Headlamp not working on main beam |1.7.5a| | 3 |
| Nearside Front Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 3 |
| Stop lamp not working |1.2.1b| | 3 |
| Offside Rear wheel bearing has excessive play |2.6.2| | 3 |
| Rear reflector missing |1.5.1a| | 3 |
| Rear Stop lamp not working |1.2.1b| | 3 |
| Direction indicators flashing more than 120 times a minute |1.4.A.2g| | 3 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 3 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 3 |
| Offside Rear Rear wheel bearing has excessive play |2.6.2| | 3 |
| Nearside Rear reflector missing |1.5.1a| | 3 |
| Front Position lamp not working (4.2.1 (a) (ii)) | 3 |
| Parking brake: efficiency below requirements |3.7.B.7| | 2 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 2 |
| Nearside Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Offside Headlamp insecure |1.7.3| | 2 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Service brake: efficiency below requirements |3.7.C.1a| | 2 |
| Direction indicators missing |1.4.A.2b| | 2 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 2 |
| Front position lamp|s| not working |1.1.A.3b| | 2 |
| Steering system has excessive free play detected at the steering wheel |steering box fitted| |2.2.A.1a| | 2 |
| Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 2 |
| Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 2 |
| Nearside Front Front suspension locking device missing |2.5.A.4| | 2 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 2 |
| Nearside Rear Rear wheel bearing has excessive play |2.6.2| | 2 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Direction indicators not in good working order |function impaired| |1.5.A1b| | 2 |
| Trikes, quads or pre-68 vehicles, service brake efficiency below requirements |3.7.C.1a| | 1 |
| Service brake: efficiency below requirements |3.7.B.7| | 1 |
| Rear Additional braking device component overheating |3.6.I.4| | 1 |
| Rear Additional braking device damaged |3.6.I.1| | 1 |
| Rear brake binding | 1 |
| Rear wheel bearing has excessive play axle bearings have excessive play |2.6.2| | 1 |
| Front Front position lamp|s| incorrect colour |1.1.A.3e| | 1 |
| Parking brake not fitted on at least two wheels |3.1.1| | 1 |
| Nearside Front Hazard warning lamps inoperative |1.4.B.1b| | 1 |
| Nearside Rear Hazard warning lamps inoperative |1.4.B.1b| | 1 |
| Centre Rear Parking brake efficiency below requirements |3.7.B.7| | 1 |
| Offside Rear Wheel bolt|s| loose |4.2.A.1e| | 1 |
| Stop lamp not working control 2 |1.2.1b| | 1 |
| Axle beam has excessive vertical movement between stub axle and axle beam |2.5.A.1a| | 1 |
| Shock absorber has an excessively worn bush rear mono shock upper bush/mounting |2.7.4| | 1 |
| Rear position lamp|s| insecure |1.1.A.3a| | 1 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 1 |
| Nearside Front Front wheel bearings have excessive free play |9.2.8c| | 1 |
| Mechanical brake component locking device missing on rear brake pedal shaft |3.5.1l| | 1 |
| Rear brake disc insecure disc has excessive movement on shaft |3.5.1i| | 1 |
| Nearside Front Shock absorber has negligible damping effect |2.7.5| | 1 |
| Offside Front Shock absorber has negligible damping effect |2.7.5| | 1 |
| Nearside Front Track rod end ball joint worn to the extent there is a serious risk of detachment split pin missing (2.1.3 (b) (ii)) | 1 |
| Offside Front Track rod end ball joint worn to the extent there is a serious risk of detachment split pin missing (2.1.3 (b) (ii)) | 1 |
| Nearside Front Wheel hub spigot mounting worn to the extent that wheel security is adversely affected split pin missing (5.2.1 (b) (ii)) | 1 |
| Nearside Rear Wheel hub spigot mounting worn to the extent that wheel security is adversely affected hub nut missing (5.2.1 (b) (ii)) | 1 |
| Offside Rear Wheel hub spigot mounting worn to the extent that wheel security is adversely affected split pin missing from hub nut (5.2.1 (b) (ii)) | 1 |
| Nearside Indicator tell tale missing |1.4.A.2a| | 1 |
| Offside Indicator tell tale missing |1.4.A.2a| | 1 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Rear Parking brake not fitted on at least two wheels |3.1.1| | 1 |
| Offside Front Road wheel bead rim badly distorted |4.2.A.1a| | 1 |
| Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Offside Front Track rod end ball joint has excessive play |2.1.3 |b| |i|| | 1 |
| Offside Front Steering locking device missing split pin from hub missing |2.1.3 |d|| | 1 |
| Nearside Rear Steering locking device missing split pin from hub missing |2.1.3 |d|| | 1 |
| Front Stop lamp not working front brake control stop lamp not working |1.2.1b| | 1 |
| Fuel system component leaking |7.2.3| | 1 |
| Centre Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 1 |
| Offside Rear Wheel nut|s| loose |4.2.A.1e| | 1 |
| Nearside Rear Halfshaft bolt loose |4.2.B.3| | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Front Upper Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Offside Front Lower Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Hazard warning lamps inoperative |4.4.1 |e|| | 1 |
| Rear Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Brake lever has abnormal movement of levers indicating excessive wear or maladjustment bolt in front brake lever can be pulled out (1.1.15 (f)) | 1 |
| Stop lamp(s) not working (4.3.1 (a) (ii)) | 1 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 1 |
| Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 1 |
| Nearside Rear Direction indicator adversely affected by the operation of another lamp (4.4.3 (b)) | 1 |
| Offside Rear Direction indicator adversely affected by the operation of another lamp (4.4.3 (b)) | 1 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Front Brake master cylinder insecurely mounted |3.6.G.1a| | 1 |
| Offside Front Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Rear brake caliper securing device excessively deteriorated |3.5.1j| | 1 |
| Rear Front shock absorber fouling |9.2.7c| | 1 |
| Offside Front Direction indicator not working |1.4.A.2c| | 1 |
| Nearside Rear Direction indicator excessively damaged so that it is not visible from a reasonable distance |1.4.A.2e| | 1 |
| Nearside Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Offside Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Handlebar handgrip not secure to handlebars. |9.2.1a| | 1 |
| Main beam tell-tale missing (4.9.1 (a) (ii)) | 1 |
| Front Position lamp missing (4.2.1 (a) (ii)) | 1 |
| Nearside Front Upper Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 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 |
| Main beam `tell-tale` not working |1.7.4c| | 1 |
| Offside Direction indicator flashing less than 60 times a minute |1.4.A.2g| | 1 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Front Service brake is causing the vehicle to swerve to the nearside front imbalance offfside front brake has low effort |3.7.C.2| | 1 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Offside Front Track rod end loose |2.2.B.1d| | 1 |
| Nearside Front Shock absorber insecure |2.7.2b| | 1 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 1 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 1 |
| Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b| | 1 |
| Nearside Front Parking brake lever ratchet mechanism is excessively worn |3.1.5| | 1 |
| Fuel hose leaking |6.1.3 |b| |i|| | 1 |
| Nearside Position lamp switch insecure |1.1.A.1| | 1 |
| Centre Front position lamp|s| incorrect colour |1.1.A.3e| | 1 |
| Offside Front Headlamp insecure |1.7.3| | 1 |
| Nearside Rear Direction indicator insecure |1.4.A.2b| | 1 |
| Centre Rear position lamp|s| insecure |1.1.A.3a| | 1 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 1 |
| Nearside Front Track rod end loose |2.2.B.1d| | 1 |
| Hazard warning lamps inoperative |1.4.B.1b| | 1 |
| Nearside Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Rear Rear wheel bearing has excessive play |2.6.2| | 1 |
| Offside Rear Hydraulic brake cylinder retaining device missing |3.6.A.2d| | 1 |
| Front Obligatory mirror missing |8.1.1| | 1 |
| Rear Drive shaft which forms part of the suspension support bearing excessively worn |2.4.G.4d| | 1 |
| Offside Rear Wheel insecure ON SPLINED AXLE SHAFT |4.2.A.1c| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Indicator tell tale inoperative |1.4.A.2a| | 1 |
| Obligatory mirror missing |8.1.1| | 1 |
| Headlamp not in good working order adversely affecting beam image |1.2.4a| | 1 |
| Rear parking brake recording little or no effort | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Rear fog lamp switch missing |1.3.1a| | 1 |
| Rear fog lamp tell tale not working |1.3.1b| | 1 |
| Offside Rear fog lamp missing |1.3.2a| | 1 |
| Rear wheel bearing has excessive play |2.6.2| | 1 |
| Rear brake disc insecure |3.5.1i| | 1 |
| Nearside Headlamp adversely affected by the operation of another lamp |1.7.5c| | 1 |
| Nearside Headlamp insecure |1.7.3| | 1 |
| Front Brake pipe inadequately clipped |3.6.B.1| | 1 |
| Nearside Front Upper Suspension arm severely distorted |2.4.G.1| | 1 |
| Rear Exhaust system not adequately supported |7.1.1| | 1 |
| Nearside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 1 |
| Dipswitch operation does not deflect all main beam headlamps to make them dipped beams |1.7.4b| | 1 |
| Centre Rear Stop lamp not working |1.2.1b| | 1 |
| Steering system excessively rough |2.2.D.1| | 1 |
| Centre Front Steering column shaft has excessive end float top and lower bushes collapsed |2.1.3| | 1 |
| Nearside Front Upper Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Offside Front Upper Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Nearside Outer Front Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Nearside Inner Front Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Nearside Obligatory mirror missing |3.3 |a|| | 1 |
| Offside Obligatory mirror missing |3.3 |a|| | 1 |
| Front All position lamps not working |1.1.A.3b| | 1 |
| Rear All position lamps not working |1.1.A.3b| | 1 |
| Offside Front Direction indicator does not face the front |1.4.A.2b| | 1 |
| Battery insecure |1.9.1| | 1 |
| Nearside Headlamp not working on main beam |1.7.5a| | 1 |
| Parking brake lever is fouling adjacent parts of the vehicle |3.1.6b| | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Steering locking device missing both front track rod ends missing split pin (2.1.3 (d)) | 1 |
| Parking brake lever defective so that it cannot be satisfactorily operated (1.1.6 (d)) | 1 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 1 |
| Offside Front Upper Ball joint has excessive play |2.2.B.1f| | 1 |
| Central Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Central Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Offside Rear Direction indicator missing (4.4.1 (a) (ii)) | 1 |
| Hazard warning lamps inoperative (4.4.1 (e)) | 1 |
| Nearside Front Parking brake lever defective so that it cannot be satisfactorily operated (1.1.6 (d)) | 1 |
| Nearside Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Offside Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Rear Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 1 |
| Nearside Obligatory mirror missing (3.3 (a)) | 1 |
| Offside Obligatory mirror missing (3.3 (a)) | 1 |
| Nearside Rear All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Offside Front All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Nearside Front All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Offside Front Suspension arm likely to fail |5.3.3 |b| |ii|| | 1 |
| Nearside Front Suspension arm likely to fail |5.3.3 |b| |ii|| | 1 |
| Front Main beam `tell-tale` not working |1.7.4c| | 1 |
| Rear Parking brake lever missing |3.1.3a| | 1 |
| Offside Rear Road wheel fixings not compatible wheel incorrectly fitted |4.2.B.2| | 1 |
| Speedometer not fitted |6.7.1| | 1 |
| Parking brake lever missing |3.1.3a| | 1 |
| All position lamps not working |1.1.A.3b| | 1 |
| Nearside Front Upper Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 1 |
| Nearside Front Upper Front suspension ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 1 |
| 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| | 1 |
| Offside Front Upper Front suspension ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 1 |
| Offside Front Lower Front suspension ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 1 |
| Steering arm has relative movement at its fixings |2.2.B.1h| | 1 |
| Rear Front position lamp|s| not working |1.1.A.3b| | 1 |
| Front Stop lamp not working |1.2.1b| | 1 |
| Nearside Front Direction indicators flashing less than 60 times a minute |1.4.A.2g| | 1 |
| Nearside Front Direction indicator obviously incorrectly positioned |1.4.A.2b| | 1 |
| Upper Steering pivot point has excessive play |2.2.B.1g| | 1 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 1 |
| Front Horn control missing |1.6.1| | 1 |
| Centre Front position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Front Upper Steering locking device missing suspension arm ball joint split pin missing (2.1.3 (d)) | 1 |
| Obligatory mirror missing (3.3 (a)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Front Brake fluid significantly below minimum mark (1.1.10 (d) (ii)) | 1 |
| Rear Direction indicators not in good working order |function impaired| |1.5.A1b| | 1 |
| Nearside Front Lower Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Offside Front Inner Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Nearside Rear Direction indicator missing (4.4.1 (a) (ii)) | 1 |
| Rear Brake disc insecure bolt missig |1.1.14 |a| |ii|| | 1 |
| Front Service brake grabbing severely |1.2.1 |c|| | 1 |
| Rear Hydraulic brake calliper insecurely mounted |1.1.16 |c| |i|| | 1 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 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 |
| Centre Stop lamp not working |1.2.1b| | 1 |
| Nearside Front Suspension arm pin or bush excessively worn upper arm (5.3.4 (a) (i)) | 1 |
| Exhaust system not adequately supported |7.1.1| | 1 |
| Rear brake disc excessively scored |3.5.1h| | 1 |
| Nearside Front Steering lock stop insecurely locked |2.2.D.2c| | 1 |
| Nearside Front Direction indicators not working |1.4.A.2c| | 1 |
| Nearside Front Brake hose twisted |found during steering lock to lock check| |2.2.D.2b| | 1 |
| Offside Front All position lamps not working |1.1.A.3b| | 1 |
| Position lamp switch faulty |1.1.A.1| | 1 |
| Nearside Front Steering retaining device insecure |2.2.C.1g| | 1 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 1 |