| Most common failures | No# failures |
|---|
| Registration plate issues | 37 |
| Headlamp aim out of alignment | 24 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 12 |
| Offside Front Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 10 |
| Registration plate lamp issues | 10 |
| Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 10 |
| Parking brake efficiency below requirements |3.7.C.1b| | 10 |
| Nearside Front Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 9 |
| Rear Stop lamp not working |1.2.1b| | 7 |
| Direction indicators flashing more than 120 times a minute |1.4.A.2g| | 7 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 7 |
| Horn not working |1.6.2a| | 6 |
| Nearside Obligatory mirror missing |8.1.1| | 6 |
| Offside Obligatory mirror missing |8.1.1| | 6 |
| Front Headlamp not working on dipped beam |1.7.5a| | 6 |
| Centre Front position lamp|s| not working |1.1.A.3b| | 6 |
| Parking brake: efficiency below requirements |3.7.B.7| | 5 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 5 |
| Nearside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 5 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 4 |
| Front Headlamp not working on main beam |1.7.5a| | 4 |
| Service brake: efficiency below requirements |3.7.C.1a| | 4 |
| Centre Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 4 |
| Centre Rear position lamp|s| not working |1.1.A.3b| | 4 |
| Front position lamp|s| not working |1.1.A.3b| | 4 |
| Centre Stop lamp not working |1.2.1b| | 4 |
| Parking brake not fitted on at least two wheels |3.1.1| | 4 |
| Centre Headlamp not working on dipped beam |1.7.5a| | 4 |
| Rear brake disc in such a condition that it is seriously weakened | 3 |
| Rear reflector missing |1.5.1a| | 3 |
| Nearside Inner Front Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 3 |
| Nearside Rear Direction indicators not working |1.4.A.2c| | 3 |
| Offside Footrest insecure |9.6.1| | 3 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 3 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 3 |
| Nearside Handlebar handgrip not secure to handlebars. |9.2.1a| | 3 |
| Rear parking brake recording little or no effort | 3 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 3 |
| Centre Headlamp not working on main beam |1.7.5a| | 3 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 3 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 3 |
| Parking brake lever has no reserve travel |3.1.6b| | 3 |
| Stop lamp(s) not working (4.3.1 (a) (ii)) | 3 |
| Offside Inner Track rod end ball joint has excessive play |2.2.B.1f| | 2 |
| Driver`s seat insecure |6.2.A.1| | 2 |
| Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 2 |
| Offside Handlebar handgrip not secure to handlebars. |9.2.1a| | 2 |
| Nearside Front Upper Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 2 |
| Offside Front Upper Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 2 |
| Trikes, quads or pre-68 vehicles, service brake efficiency below requirements |3.7.C.1a| | 2 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 2 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 2 |
| Stop lamp remains on when the brakes are released | 2 |
| Mechanical brake component has restricted free movement | 2 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 2 |
| Headlamp aim not tested |4.1.2 |b|| | 2 |
| Offside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 2 |
| Nearside Rear Rear wheel bearing has excessive play |2.6.2| | 2 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 2 |
| Offside Track rod end loose |2.2.B.1d| | 2 |
| Offside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 2 |
| Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 2 |
| Headlamp aim beam image kick up to the offside |1.8| | 2 |
| Front Headlamp aim not tested |1.8.A.1c| | 2 |
| All position lamps not working |1.1.A.3b| | 2 |
| Nearside Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 2 |
| Offside Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 2 |
| Offside Front Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 2 |
| Front Front position lamp|s| not working |1.1.A.3b| | 2 |
| Nearside Front Upper Suspension arm has excessive play in a pin/bearing |2.4.G.2| | 2 |
| Front Position lamp not working (4.2.1 (a) (ii)) | 2 |
| Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 2 |
| Offside Outer Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Handlebar handgrip not secure to handlebars. |9.2.1a| | 1 |
| Nearside Front Front shock absorber leaking oil |9.2.7b| | 1 |
| Offside Front Front shock absorber leaking oil |9.2.7b| | 1 |
| Offside Rear Direction indicator incomplete |1.5.A1b| | 1 |
| Fuel system component leaking |7.2.3| | 1 |
| Offside Rear Rear wheel bearing has excessive play |2.6.2| | 1 |
| Offside Front Trikes, quads or pre-68 vehicles, service brake efficiency below requirements |3.7.C.1a| | 1 |
| Offside Front Parking brake efficiency below requirements |3.7.C.1b| | 1 |
| Brake lever locking device missing |9.3.1c| | 1 |
| Parking brake is not capable of being maintained in operation by direct mechanical action only |3.1.2| | 1 |
| Nearside Front wheel bearings have excessive free play |9.2.8c| | 1 |
| Offside Front wheel bearings have excessive free play |9.2.8c| | 1 |
| Nearside Front wheel bearings are excessively rough |9.2.8c| | 1 |
| Offside Front wheel bearings are excessively rough |9.2.8c| | 1 |
| Front Body insecure and dangerous to other road users |6.1.B.1b| | 1 |
| Offside Front Lower Brake pipe fouled by moving parts |3.6.B.2a| | 1 |
| Suspension arm has excessive play in a pin/bearing |2.4.G.2| | 1 |
| Rear Stop lamp emits other than a steady red light |1.2.1e| | 1 |
| Centre Rear position lamp|s| incorrect colour |1.1.A.3e| | 1 |
| Nearside Rear Rear reflector missing |1.5.1a| | 1 |
| Offside Rear Rear reflector excessively deteriorated so that its function is impaired |1.5.1c| | 1 |
| Horn control missing |1.6.1| | 1 |
| Front Stop lamp not working |1.2.1b| | 1 |
| Rear Rear position lamp|s| incomplete |1.1.4a| | 1 |
| Front Headlamp insecure |1.7.3| | 1 |
| Front Brake pedal has insufficient reserve movement |3.3.A.5| | 1 |
| Steering wheel in a condition that hampers proper control |2.1.1| | 1 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 1 |
| Nearside Front Front wheel bearing rough when rotated |2.5.A.2| | 1 |
| Offside Front Front wheel bearing rough when rotated |2.5.A.2| | 1 |
| Brake performance not tested |3.7.A.1| | 1 |
| Brake pedal has insufficient reserve movement |3.3.A.5| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Headlamp not working on dipped beam |1.7.5a| | 1 |
| Nearside Inner Track rod end ball pin shank loose |2.2.B.1c| | 1 |
| Centre Rear wheel bearing has excessive play |2.6.2| | 1 |
| Rear All position lamps not working |1.1.A.3b| | 1 |
| Front All position lamps not working |1.1.A.3b| | 1 |
| Centre Rear reflector missing |1.5.1a| | 1 |
| Offside Rear Direction indicators not working |1.4.A.2c| | 1 |
| Nearside Inner Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Offside Inner Front Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Nearside Front Lower Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 1 |
| Offside Front Lower Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 1 |
| Offside Inner Rear wheel bearing has excessive play |2.6.2| | 1 |
| Front Service brake grabbing severely |3.7.C.2| | 1 |
| Rear Axle beam has excessive vertical movement between stub axle and axle beam |2.5.A.1a| | 1 |
| Headlamp insecure |4.1.1 |c|| | 1 |
| Road wheel fixing loose |5.2.1 |a| |i|| | 1 |
| Hazard warning switch missing |1.4.B.1d| | 1 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 1 |
| Fuel cap/sealing device mounting flange/sealing method defective |7.2.4c| | 1 |
| Rear Mechanical brake component has restricted free movement | 1 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Offside Rear Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Offside Rear Wheel stud|s| loose |4.2.A.1e| | 1 |
| Parking brake efficiency below requirements |3.7.B.7| | 1 |
| Offside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Offside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Front Position lamp not working |4.2.1 |a| |ii|| | 1 |
| Rear Position lamp not working not working with dip beam on |4.2.1 |a| |ii|| | 1 |
| Nearside Rear reflector defective or damaged by more than 50% of the reflecting surface |4.8.1 |a| |ii|| | 1 |
| Nearside Rear reflector excessively damaged so that its function is impaired |1.5.1c| | 1 |
| Rear Brake pedal has insufficient reserve movement |3.3.A.5| | 1 |
| Rear Suspension arm has excessive play in a pin/bearing |2.4.G.2| | 1 |
| Centre Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Vehicle Identification Number has more than one different number displayed |6.3.5.b| | 1 |
| Front Service brake is causing the vehicle to swerve to the nearside |3.7.C.2| | 1 |
| Nearside Upper Torque/reaction arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Offside Inner Front Upper Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Nearside Inner Upper Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Rear Parking brake efficiency below requirements |3.7.C.1b| | 1 |
| Stop lamp not working |1.2.1b| | 1 |
| Offside Brake pedal functionally incomplete |3.3.A.1a| | 1 |
| Offside Brake cable has restricted free movement |3.5.1k| | 1 |
| Headlamp insecure |1.7.3| | 1 |
| Nearside Suspension arm has excessive play in a pin/bearing |2.4.G.2| | 1 |
| Offside Suspension arm has excessive play in a pin/bearing |2.4.G.2| | 1 |
| Drive shaft which forms part of the suspension damaged |2.4.G.4a| | 1 |
| Rear Brake lever has inadequate reserve travel |9.3.1f| | 1 |
| Nearside Front Lower Shock absorber insecure |2.7.2b| | 1 |
| Nearside Rear Wheel nut|s| loose |4.2.A.1e| | 1 |
| Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Main beam `tell-tale` not working |1.7.4c| | 1 |
| Offside Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Fuel cap/sealing device does not fasten securely by positive means |7.2.4b| | 1 |
| Front Trikes, quads or pre-68 vehicles, service brake efficiency below requirements |3.7.C.1a| | 1 |
| Rear Trikes, quads or pre-68 vehicles, service brake efficiency below requirements |3.7.C.1a| | 1 |
| Offside Front Direction indicators not working |1.4.A.2c| | 1 |
| Offside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Nearside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.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 |
| Lower Steering column shaft has excessive end float |2.1.3| | 1 |
| Direction indicators not working |1.4.A.2c| | 1 |
| Nearside Front Upper Front suspension has excessive movement at a wishbone pin or bush |2.5.A.1c| | 1 |
| Offside Front Upper Front suspension has excessive movement at a wishbone pin or bush |2.5.A.1c| | 1 |
| Service brake: efficiency below requirements |3.7.B.7| | 1 |
| Nearside Rear reflector missing |1.5.1a| | 1 |
| Stop lamp missing |1.2.1a| | 1 |
| Nearside Lower Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Nearside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 1 |
| Offside Rear reflector more than 50% obscured |1.5.1b| | 1 |
| Offside Handlebar handgrip missing |9.2.1a| | 1 |
| Rear front parking brake recording little or no effort |3.7.B.6a| | 1 |
| Offside Inner Track rod end ball pin shank loose |2.2.B.1c| | 1 |
| An item not tested |Manual| | 1 |
| Nearside Front Front suspension retaining device ineffective |2.5.A.4| | 1 |
| Rear Sub-frame insecure |2.4.G.1| | 1 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Rear Front position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Front Direction indicators not working |1.4.A.2c| | 1 |
| Rear Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 1 |
| Nearside Front Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 1 |
| Front position lamp|s| obviously incorrectly positioned |1.1.A.3a| | 1 |
| Offside Front Upper Suspension arm has excessive play in a pin/bearing |2.4.G.2| | 1 |
| Offside Rear wheel bearing has excessive play |2.6.2| | 1 |
| Offside Front Lower Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Offside Direction indicator adversely affected by the operation of another lamp |1.4.A.2h| | 1 |
| Offside Front Direction indicator not working |1.4.A.2c| | 1 |
| Centre Rear position lamp|s| excessively damaged so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Rear wheel bearing has excessive play |2.6.2| | 1 |
| Offside Front suspension has excessive movement at a wishbone pin or bush |2.5.A.1c| | 1 |
| Hazard warning lamps inoperative |1.4.B.1b| | 1 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Rear Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Front Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Offside Front Road wheel bead rim badly distorted |4.2.A.1a| | 1 |
| Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 1 |
| Brake pedal actuating linkage functionally incomplete |3.3.A.1a| | 1 |
| Nearside Front Brake lever has restricted free movement |3.5.1k| | 1 |
| Offside Front Brake lever has restricted free movement |3.5.1k| | 1 |
| Rear Trailing arm has excessive play in a pin/bearing |2.4.G.2| | 1 |
| Nearside Front Upper Suspension arm has excessive play in a track control arm inner bush |2.5.B.2b| | 1 |
| Offside Front Upper Suspension arm has excessive play in a track control arm inner bush |2.5.B.2b| | 1 |
| Fuel cap/sealing device sealing washer missing |7.2.4c| | 1 |
| Nearside Front front brake recording little or no effort |3.7.B.5a| | 1 |
| Front Obligatory mirror missing |8.1.1| | 1 |
| Nearside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Nearside Front Upper Suspension arm pin or bush excessively worn Front bush (5.3.4 (a) (i)) | 1 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 1 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 1 |
| Rear fog lamp missing (4.5.1 (a) (ii)) | 1 |
| Rear fog lamp switch missing (4.5.3 (a) (ii)) | 1 |
| Trailer electrical socket (13 pin) not functioning at all Missing (4.10 (c) (ii)) | 1 |
| Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Nearside Front Inner Track rod end modification unsafe locking device incorrect nut (2.1.3 (f) (i)) | 1 |
| Axle insecure such that functionality is affected excessive wear in diff; housing bearings causing four and haft movement (5.1.1 (b) (ii)) | 1 |
| Fuel system component leaking carburettor ? (6.1.3 (b) (i)) | 1 |
| Fuel cap/sealing device ineffective (6.1.3 (b) (i)) | 1 |
| Rear Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Rear fog lamp tell-tale not working (4.9.1 (a) (ii)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Offside Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 1 |
| Offside Front Upper Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Nearside Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Stop lamp(s) not working on hand brake. (4.3.1 (a) (ii)) | 1 |