| Most common failures | No# failures |
|---|
| Registration plate issues | 47 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 21 |
| Horn not working |1.6.2a| | 12 |
| Registration plate lamp issues | 12 |
| Headlamp aim out of alignment | 11 |
| Offside Obligatory mirror missing |8.1.1| | 8 |
| Exhaust noise is clearly in excess of that emitted by a similar vehicle fitted with a standard silencer in average condition |7.1.4| | 7 |
| Direction indicators not working |1.4.A.2c| | 6 |
| Nearside Obligatory mirror missing |8.1.1| | 6 |
| Parking brake efficiency below requirements |3.7.C.1b| | 5 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 5 |
| Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 5 |
| Nearside Rear reflector missing |1.5.1a| | 5 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 4 |
| Offside Rear wheel bearing has excessive play |2.6.2| | 4 |
| Front position lamp|s| not working |1.1.A.3b| | 4 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 4 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 4 |
| Offside Rear Rear wheel bearing has excessive play |2.6.2| | 4 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 4 |
| Rear Rear reflector missing |1.5.1a| | 3 |
| Parking brake: efficiency below requirements |3.7.B.7| | 3 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 3 |
| Offside Headlamp not working on main beam |1.7.5a| | 3 |
| Parking brake lever has no reserve travel |3.1.6b| | 3 |
| Indicator tell tale inoperative |1.4.A.2a| | 3 |
| Hazard warning tell tale not working correctly |1.4.B.1e| | 3 |
| Hazard warning lamps inoperative |1.4.B.1b| | 3 |
| Nearside Rear Wheel insecure |4.2.A.1c| | 3 |
| Centre Front position lamp|s| not working |1.1.A.3b| | 3 |
| Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 3 |
| Front position lamp|s| missing |1.1.A.3a| | 3 |
| Main beam `tell-tale` not working |1.7.4c| | 3 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 3 |
| Offside Rear reflector missing |1.5.1a| | 3 |
| Stop lamp not working |1.2.1b| | 2 |
| Front Front position lamp|s| not working |1.1.A.3b| | 2 |
| Rear parking brake recording little or no effort | 2 |
| Headlamp not working on dipped beam |1.7.5a| | 2 |
| Horn not working |7.7 |a| |ii|| | 2 |
| Rear Stop lamp not working |1.2.1b| | 2 |
| Front Headlamp not working on dipped beam |1.7.5a| | 2 |
| Rear reflector missing |1.5.1a| | 2 |
| Obligatory mirror missing |8.1.1| | 2 |
| Offside Front Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 2 |
| Offside Front Lower Suspension arm has excessive play in a pin/bush |2.4.G.2| | 2 |
| Front brake disc in such a condition that it is seriously weakened | 2 |
| Rear brake disc in such a condition that it is seriously weakened | 2 |
| Offside Rear Direction indicators not working |1.4.A.2c| | 2 |
| Front Front position lamp|s| incorrect colour |1.1.A.3e| | 2 |
| Parking brake lever missing |1.1.6 |d|| | 2 |
| Parking brake lever missing |3.1.3a| | 2 |
| Steering column top bearing excessively worn |2.1.2c| | 2 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 2 |
| Stop lamp remains on when the brakes are released | 2 |
| Offside Rear Rear reflector missing |1.5.1a| | 2 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 2 |
| Nearside Front Direction indicator not working |4.4.1 |a| |ii|| | 2 |
| Offside Front Headlamp insecure |1.7.3| | 2 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 2 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 2 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 1 |
| Rear Shock absorber insecure spring adjuster loose |2.7.2b| | 1 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 1 |
| Offside Rear Brake stationary pin locking device missing |3.5.1l| | 1 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |9.2.1a| | 1 |
| Front Headlamp missing |1.7.3| | 1 |
| Front Brake pipe inadequately supported |3.6.B.1| | 1 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 1 |
| Steering headbearing has excessive free play |9.2.4| | 1 |
| Rear Suspension arm has excessive play in a pin/bush swing arm |2.4.G.2| | 1 |
| Brake hydraulic reservoir fluid level below minimum level |3.6.G.1b| | 1 |
| Offside Rear Wheel bearing has excessive play |5.1.3 |a| |i|| | 1 |
| Stop lamp|s| with a multiple light source more than 1/2 not functioning both control 1 and 2 |4.3.1 |a| |ii|| | 1 |
| Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| All direction indicators not working |4.4.1 |a| |ii|| | 1 |
| Parking brake lever defective so that it cannot be satisfactorily operated |1.1.6 |d|| | 1 |
| Rear Hydraulic brake calliper inadequately mounted and braking performance affected |1.1.16 |c| |ii|| | 1 |
| Service brake efficiency below requirements |1.2.2 |a| |i|| | 1 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 1 |
| All position lamps not working |1.1.A.3b| | 1 |
| Front Headlamp not working on main beam |1.7.5a| | 1 |
| Nearside Front Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Rear brake caliper securing device excessively deteriorated |3.5.1j| | 1 |
| Nearside Wheel nut|s| loose |4.2.A.1e| | 1 |
| Offside Wheel nut|s| loose |4.2.A.1e| | 1 |
| Parking brake is not capable of being maintained in operation by direct mechanical action only |3.1.2| | 1 |
| Nearside Upper Front suspension has excessive movement at a suspension ball joint |2.5.A.1c| | 1 |
| Offside Upper Front suspension has excessive movement at a suspension ball joint |2.5.A.1c| | 1 |
| Parking brake lever ratchet mechanism is excessively worn |3.1.5| | 1 |
| Nearside Front Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 1 |
| Nearside Rear Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 1 |
| Nearside Inner Front Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Offside Inner Front Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Nearside Rear Wheel hub spigot mounting excessively worn |4.2.B.5| | 1 |
| Rear Parking brake is not capable of being maintained in operation by direct mechanical action only |3.1.2| | 1 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 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 |
| Nearside Front Lower Suspension arm severely distorted |2.4.G.1| | 1 |
| Nearside Front Steering locking device missing |2.2.C.1g| | 1 |
| Central Front Front position lamp|s| not working |1.1.A.3b| | 1 |
| Rear position lamp|s| insecure |1.1.A.3a| | 1 |
| Front Hand operated control valve unit insecure |3.2.2a| | 1 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Front Lower Front suspension has excessive movement at a wishbone pin or bush both |2.5.A.1c| | 1 |
| Rear Wheel hub spigot mounting excessively worn both |4.2.B.5| | 1 |
| Rear Shock absorber has an excessively worn bush both |2.7.4| | 1 |
| Rear brake binding | 1 |
| Rear Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Offside Front Upper Suspension arm has excessive play in a pin/bush x2 |2.4.G.2| | 1 |
| Nearside Rear Rear wheel bearing has excessive play |2.6.2| | 1 |
| Rear Drive shaft which forms part of the suspension support bearing excessively worn |2.4.G.4d| | 1 |
| Parking brake not fitted on at least two wheels |3.1.1| | 1 |
| Rear Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Rear Wheel insecure |4.2.A.1c| | 1 |
| Offside Track rod end loose |2.2.B.1d| | 1 |
| Nearside Front Lower Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Rear Direction indicators not working |1.4.A.2c| | 1 |
| Offside Track rod end ball joint has excessive play |2.1.3 |b| |i|| | 1 |
| Indicator tell tale missing |1.4.A.2a| | 1 |
| Offside Front Upper Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 1 |
| Nearside Front Road wheel distorted |4.2.A.1a| | 1 |
| Offside Front Road wheel distorted |4.2.A.1a| | 1 |
| Nearside Headlamp not working on main beam |1.7.5a| | 1 |
| Parking brake lever ratchet mechanism is broken |3.1.5| | 1 |
| Nearside Track rod end ball pin shank loose |2.2.B.1c| | 1 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 1 |
| Offside Obligatory mirror missing |3.3 |a|| | 1 |
| Nearside Obligatory mirror missing |3.3 |a|| | 1 |
| Nearside Rear Direction indicator missing |4.4.1 |a| |ii|| | 1 |
| Offside Rear Direction indicator missing |4.4.1 |a| |ii|| | 1 |
| Nearside Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Offside Rear Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Fuel hose leaking |6.1.3 |b| |i|| | 1 |
| Nearside Inner Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Direction indicators flashing more than 120 times a minute |1.4.A.2g| | 1 |
| Centre Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Nearside Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 1 |
| Rear Direction indicator obscured more than 50% |1.4.A.2d| | 1 |
| Front Lower Shock absorber has an excessively worn bush |2.7.4| | 1 |
| Steering column shaft has excessive end float |2.1.3| | 1 |
| Nearside Front Brake pipe fouled by moving parts |3.6.B.2a| | 1 |
| Horn not loud enough to be heard by another road user |1.6.2b| | 1 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Front Position lamp not working |4.2.1 |a|| | 1 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 1 |
| Nearside Rear position lamp|s| insecure |1.1.A.3a| | 1 |
| Dipswitch operation does not extinguish all main beam headlamps leaving at least one pair of dipped beam headlamps |1.7.4b| | 1 |
| Direction indicators not working individually |1.4.A.2c| | 1 |
| Rear Stop lamp obscured more than 50% |1.2.1c| | 1 |
| Offside Front Shock absorber insecure |2.7.2b| | 1 |
| Nearside Rear Rear reflector missing |1.5.1a| | 1 |
| Nearside Rear Direction indicator obscured more than 50% |1.4.A.2d| | 1 |
| Offside Rear Direction indicator obscured more than 50% |1.4.A.2d| | 1 |
| Nearside Front Wheel nut|s| missing |4.2.A.1e| | 1 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 1 |
| Nearside Front Obligatory mirror missing |8.1.1| | 1 |
| Nearside Headlamp aim projected beam image is obviously incorrect |4.1.2 |c|| | 1 |
| Offside Headlamp aim projected beam image is obviously incorrect |4.1.2 |c|| | 1 |
| Nearside Rear Road wheel fixing loose |5.2.1 |a| |i|| | 1 |
| Obligatory mirror missing both |3.3 |a|| | 1 |
| Nearside Front Track rod end ball joint has excessive play |2.1.3 |b| |i|| | 1 |
| Offside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Brake pipe inadequately supported |3.6.B.1| | 1 |
| Offside Front Upper Suspension arm severely distorted |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 |
| Parking brake lever is located so that it cannot be satisfactorily operated from the driver`s seat |3.1.3c| | 1 |
| Nearside Rear Stub axle has excessive vertical movement between stub axle and axle beam |2.5.A.1a| | 1 |
| Front Front position lamp|s| missing |1.1.A.3a| | 1 |
| Nearside Front Steering wheel in a condition that hampers proper control |2.1.1| | 1 |
| Nearside Rear Wheel nut|s| missing |4.2.A.1e| | 1 |
| Rear Brake pedal spongy |3.3.B.1b| | 1 |
| Trikes, quads or pre-68 vehicles, service brake efficiency below requirements |3.7.B.7| | 1 |
| Front rear brake recording little or no effort |3.7.B.5a| | 1 |
| Rear rear brake recording little or no effort |3.7.B.5a| | 1 |
| Service brake: efficiency below requirements |3.7.C.1a| | 1 |
| Nearside Front Brake back plate|s| securing device loose |3.5.1j| | 1 |
| Electrical wiring insecure steering column |1.9.2a| | 1 |
| Brake cable has restricted free movement |3.5.1k| | 1 |
| Brake cable inappropriately repaired |3.5.1n| | 1 |
| Nearside Front Lower Shock absorber has an excessively worn bush |2.7.4| | 1 |
| Nearside Front Lower Shock absorber insecure |2.7.2b| | 1 |
| Nearside Front Lower Suspension arm has excessive play in a pin/bearing |2.4.G.2| | 1 |
| Nearside Rear Body insecure and dangerous to other road users |6.1.B.1b| | 1 |
| Steering system fouling |2.2.D.2a| | 1 |
| Centre Front All position lamps not working |1.1.A.3b| | 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 Drive shaft which forms part of the suspension support bearing excessively worn |2.4.G.4d| | 1 |
| Offside Drive shaft which forms part of the suspension support bearing excessively worn |2.4.G.4d| | 1 |
| Steering pivot point has excessive play |2.2.B.1g| | 1 |
| Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 1 |
| Steering system excessively rough |2.2.D.1| | 1 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Rear reflector missing |4.8.2 |a| |ii|| | 1 |
| Offside Front Upper Steering linkage ball joint has excessive play |2.1.3 |b| |i|| | 1 |
| Steering locking device missing |2.2.C.1g| | 1 |
| Front Handlebar handgrip not secure to handlebars. |9.2.1a| | 1 |
| Offside Front Direction indicator not working |1.4.A.2c| | 1 |
| All position lamps adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Direction indicators adversely affected by the operation of another lamp |1.4.A.2h| | 1 |
| Nearside Front Front position lamp|s| not in good working order |function impaired| |1.1.4a| | 1 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 1 |
| Brake pedal spongy |3.3.B.1b| | 1 |
| Headlamp switch faulty |1.7.1| | 1 |
| Rear Parking brake efficiency below requirements |3.7.C.1b| | 1 |
| Nearside Front Shock absorber has an excessively worn bush |2.7.4| | 1 |
| Offside Front Shock absorber has an excessively worn bush |2.7.4| | 1 |
| Nearside Rear Drive shaft which forms part of the suspension support bearing excessively worn |2.4.G.4d| | 1 |
| Horn not a continuous or uniform sound |1.6.2e| | 1 |
| Horn sounds harsh or grating |1.6.2e| | 1 |
| Offside Front Brake pedal spongy |3.3.B.1b| | 1 |
| Offside Front Brake pedal fouling on other parts of the vehicle |3.3.A.4| | 1 |
| Headlamp has a product on the light source so that the light output is severely reduced |1.7.5a| | 1 |
| Nearside Rear Suspension arm attachment bracket/mounting insecure |2.4.G.1| | 1 |
| Offside Rear Suspension arm attachment bracket/mounting insecure |2.4.G.1| | 1 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 1 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 1 |
| Front Direction indicators not working |1.4.A.2c| | 1 |
| Rear Stub axle has excessive vertical movement between stub axle and axle beam |2.5.A.1a| | 1 |
| Direction indicators missing |1.4.A.2b| | 1 |
| Front Obligatory mirror missing |8.1.1| | 1 |
| Centre Rear position lamp|s| incomplete |1.1.4a| | 1 |
| Nearside Rear Direction indicator lens defective such that the emitted light is adversely affected |4.4.1 |b| |ii|| | 1 |
| Offside Rear Direction indicator lens defective such that the emitted light is adversely affected |4.4.1 |b| |ii|| | 1 |
| Nearside Headlamp insecure |1.7.3| | 1 |
| Nearside Front Upper Suspension arm has excessive play in a pin/bearing |2.4.G.2| | 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 Front position lamp|s| missing |1.1.A.3a| | 1 |
| Offside Front position lamp|s| missing |1.1.A.3a| | 1 |
| Offside Rear Stub axle has excessive vertical movement between stub axle and axle beam (5.1.2 (c) (i)) | 1 |
| Offside Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Nearside Front Headlamp aim not tested (4.1.2 (b)) | 1 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Nearside Front Inner Steering locking device missing split pin missing (2.1.3 (d)) | 1 |
| Rear Service brake efficiency below requirements (1.2.2 (a) (i)) | 1 |
| Rear Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Front Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Obligatory mirror missing (3.3 (a)) | 1 |
| Fuel system component leaking (6.1.3 (b) (i)) | 1 |
| Rear Axle insecure such that stability is impaired (5.1.1 (b) (ii)) | 1 |
| Offside Front Inner Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 1 |
| Front Direction indicator obviously incorrectly positioned Behind number plate/ to close together (4.4.3 (a)) | 1 |
| Emissions not tested (8.2.1.2 (d)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Headlamp not working on dipped beam front headlight showing main beam on dipped beam (4.1.1 (a) (ii)) | 1 |
| Rear Suspension arm pin or bush excessively worn trailing arm bush (5.3.4 (a) (i)) | 1 |
| Offside Steering linkage likely to become detached draglink (2.1.3 (a) (ii)) | 1 |