| Most common failures | No# failures |
|---|
| Brakes imbalanced across an axle | 28 |
| Headlamp aim out of alignment | 20 |
| Parking brake: efficiency below requirements |3.7.B.7| | 19 |
| Horn not working |1.6.2a| | 15 |
| Rear parking brake recording little or no effort | 9 |
| Windscreen wiper does not clear the windscreen effectively | 8 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 8 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 8 |
| Parking brake lever has no reserve travel |3.1.6b| | 7 |
| Service brake: efficiency below requirements |3.7.B.7| | 7 |
| Rear brake binding | 6 |
| Nearside Stop lamp not working |1.2.1b| | 6 |
| Registration plate lamp issues | 6 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 6 |
| Offside Headlamp not working on main beam |1.7.5a| | 5 |
| Stop lamp remains on when the brakes are released | 5 |
| Rear brake application uneven | 5 |
| Offside Stop lamp not working |1.2.1b| | 5 |
| Direction indicators not working |1.4.A.2c| | 4 |
| Centre Stop lamp not working |1.2.1b| | 4 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 4 |
| Front brake application uneven | 4 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 4 |
| Brake hose has insufficient room to move | 4 |
| Nearside Headlamp not working on main beam |1.7.5a| | 4 |
| Nearside Front Wheel insecure |4.2.A.1c| | 4 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 4 |
| Nearside Windscreen wiper not operating automatically when switched on |8.2.1b| | 3 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 3 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 3 |
| Steering box insecure |2.2.B.1a| | 3 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 3 |
| Nearside Front Braking system leaking |3.6.A.1| | 3 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 3 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 3 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 3 |
| Service brake: efficiency below requirements |3.7.C.1a| | 3 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 3 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 3 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 3 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 3 |
| Offside Direction indicators not working |1.4.A.2c| | 3 |
| Nearside Direction indicators not working |1.4.A.2c| | 3 |
| Offside Windscreen wiper not operating automatically when switched on |8.2.1b| | 2 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 2 |
| Headlamp switch faulty |1.7.1| | 2 |
| Nearside Rear Braking system leaking |3.6.A.1| | 2 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 2 |
| Centre Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 2 |
| Brake pedal spongy |3.3.B.1b| | 2 |
| Nearside Front Wheel nut|s| loose |4.2.A.1e| | 2 |
| Brake pedal operating lever not secure to the pedal |3.3.A.1c| | 2 |
| Brake performance not tested |3.7.A.1| | 2 |
| Registration plate issues | 2 |
| Nearside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| All position lamps not working |1.1.A.3b| | 2 |
| Nearside Front Brake hose twisted |found during steering lock to lock check| |2.2.D.2b| | 2 |
| Rear Stop lamp not working |1.2.1b| | 2 |
| Brake pipe excessively corroded | 2 |
| Nearside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Offside front brake binding |3.7.B.1| | 2 |
| Brake hose damaged | 2 |
| Position lamp switch faulty |1.1.A.1| | 2 |
| Offside Drag link end ball joint has excessive play |2.2.B.1f| | 2 |
| Steering system excessively rough |2.2.D.1| | 2 |
| Nearside front brake binding |3.7.B.1| | 2 |
| Offside Front Wheel insecure |4.2.A.1c| | 2 |
| Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b| | 2 |
| Nearside Front Front wheel bearing rough when rotated |2.5.A.2| | 2 |
| rear parking |secondary| brakes imbalanced | 2 |
| Offside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 2 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 2 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Nearside Front Statutory seat belt missing |5.1.1| | 1 |
| Offside Front Statutory seat belt missing |5.1.1| | 1 |
| Nearside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings outer sill/front wing |6.1.B.2| | 1 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Service brake is causing the vehicle to swerve to the offside |3.7.C.2| | 1 |
| Nearside Rear brake drum contaminated by oil |3.5.1h| | 1 |
| Offside Rear brake drum contaminated by oil |3.5.1h| | 1 |
| Driver`s door cannot be opened from inside the vehicle |6.2.B.1b| | 1 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Track rod end ball joint dust cover missing both inner track rod ends |2.2.C.1c| | 1 |
| Stop lamp not working both |1.2.1b| | 1 |
| Windscreen wiper not operating automatically when switched on |8.2.1b| | 1 |
| Nearside Rear Brake cable locking device missing |3.5.1l| | 1 |
| Nearside Front Suspension arm attachment bracket/mounting nut missing |2.4.G.1| | 1 |
| Dipswitch operation does not extinguish all main beam headlamps leaving at least one pair of dipped beam headlamps |1.7.4b| | 1 |
| Front Mechanical brake component locking device insecure |3.5.1l| | 1 |
| Exhaust system not adequately supported |7.1.1| | 1 |
| Stop lamp obviously incorrectly positioned |1.2.1a| | 1 |
| Nearside Upper Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Offside Front Position lamp not working |4.2.1 |a|| | 1 |
| Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 1 |
| All direction indicators not working |4.4.1 |a| |ii|| | 1 |
| Nearside Rear Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Offside Rear Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Rear Fuel pipe leaking |7.2.3| | 1 |
| Offside Indicator tell tale inoperative |1.4.A.2a| | 1 |
| Braking system leaking |3.6.A.1| | 1 |
| Nearside Rear Wheel insecure |4.2.A.1c| | 1 |
| Offside Rear Wheel insecure |4.2.A.1c| | 1 |
| Trikes, quads or pre-68 vehicles, service brake efficiency below requirements |3.7.B.7| | 1 |
| Trikes, quads or pre-68 vehicles, service brake imbalanced across an axle |3.7.B.5b| | 1 |
| Centre Front Brake pipe inadequately clipped |3.6.B.1| | 1 |
| Rear Fuel pipe insecure |7.2.1| | 1 |
| Nearside Rear Shock absorber insecure |2.7.2b| | 1 |
| Brake master cylinder/servo mounting prescribed area is fractured |3.6.C.3| | 1 |
| Offside Rear Leaf spring shackle pin locking device missing |2.4.B.3b| | 1 |
| Nearside Front rear brake recording little or no effort |3.7.B.5a| | 1 |
| Front Headlamp not working on main beam |1.7.5a| | 1 |
| Offside Front Upper Suspension arm locating pin insecure |2.4.G.3a| | 1 |
| Parking brake lever, pawl mechanism pivots or their associated mountings are insecure |3.1.4b| | 1 |
| Fuel system component insecure |7.2.1| | 1 |
| Nearside Front Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Indicator tell tale missing |1.4.A.2a| | 1 |
| Indicator switch missing |1.4.A.1| | 1 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 1 |
| Nearside Front Lower Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 1 |
| Nearside Front Steering locking device missing |2.2.C.1g| | 1 |
| Offside Front Steering locking device missing |2.2.C.1g| | 1 |
| Horn not loud enough to be heard by another road user |1.6.2b| | 1 |
| Nearside Rear Rear wheel bearing has excessive play |2.6.2| | 1 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 1 |
| Offside Rear Leaf spring fractured |2.4.B.1a| | 1 |
| Steering box has relative movement between sector shaft and the drop arm |2.2.B.1b| | 1 |
| Nearside Rear Stop lamp not working |1.2.1b| | 1 |
| Offside Rear Stop lamp not working |1.2.1b| | 1 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 1 |
| Nearside front brake recording little or no effort |3.7.B.5a| | 1 |
| Nearside Front front brake binding |3.7.B.1| | 1 |
| Offside Rear Shock absorber insecure |2.7.2b| | 1 |
| Offside Front Suspension arm locating pin locking device missing |2.4.G.3b| | 1 |
| Nearside Rear wheel cylinder has restricted free movement |3.5.1k| | 1 |
| Fuel cap/sealing device missing |7.2.4a| | 1 |
| Offside Front Direction indicator flashing less than 60 times a minute |1.4.A.2g| | 1 |
| Offside Front Direction indicator adversely affected by the operation of another lamp |1.4.A.2h| | 1 |
| Front front brake recording little or no effort |3.7.B.5a| | 1 |
| Front brake excessively fluctuating | 1 |
| Parking brake lever releases when knocked |3.1.6a| | 1 |
| Offside Rear Brake inadequately mounted |1.1.21 |c|| | 1 |
| Nearside Front Steering linkage ball joint has excessive play steering idler |2.1.3 |b| |i|| | 1 |
| Nearside Front Suspension component mounting prescribed area excessively corroded significantly reducing structural strength |5.3.6 |a| |i|| | 1 |
| Parking brake lever is not capable of being maintained in operation by direct mechanical action only |1.1.6 |f|| | 1 |
| Nearside Front Service brake has no recorded effort at a wheel |1.2.1 |a| |ii|| | 1 |
| Indicator tell tale inoperative |1.4.A.2a| | 1 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Exhaust engine idle speed too high |7.3.A.2a| | 1 |
| Nearside Rear Road wheel spoke excessively loose |4.2.A.1b| | 1 |
| Nearside Rear Road wheel spoke missing spoke broken x1 |4.2.A.1b| | 1 |
| Offside Front Anti-roll bar linkage insecure |2.4.G.1| | 1 |
| Offside Rear Brake pipe excessively damaged |3.6.B.2c| | 1 |
| Driver`s seat insecure |6.2.A.1| | 1 |
| Fuel system component leaking excessively or a risk of fire |6.1.3 |b| |ii|| | 1 |
| Offside Outer Track rod end ball pin shank loose |2.2.B.1c| | 1 |
| Offside Front Steering arm has relative movement at its fixings |2.2.B.1h| | 1 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Fuel system component leaking |7.2.3| | 1 |
| Nearside Front Upper Suspension arm locating pin retaining device not properly locked |2.4.G.3b| | 1 |
| Offside Front Upper Suspension arm locating pin retaining device not properly locked |2.4.G.3b| | 1 |
| Nearside Rear Lower Leaf spring shackle pin locking device missing |2.4.B.3b| | 1 |
| Offside Rear Upper Leaf spring shackle pin locking device missing |2.4.B.3b| | 1 |
| Offside Rear Lower Leaf spring shackle pin locking device missing |2.4.B.3b| | 1 |
| Offside Front Brake hose excessively damaged |3.6.B.4d| | 1 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint trunion |2.4.G.2| | 1 |
| Mechanical brake component has restricted free movement | 1 |
| Nearside Front Fuel system component leaking |7.2.3| | 1 |
| Rear Exhaust system not adequately supported |7.1.1| | 1 |
| Nearside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Nearside Front Lower Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Nearside Front Front suspension locking device missing |2.5.A.4| | 1 |
| Windscreen wiper blade insecure | 1 |
| Rear Direction indicator not working |1.4.A.2c| | 1 |
| Brake pedal creeps down while the pedal is held under pressure |3.3.B.1a| | 1 |
| Steering system excessively tight |2.2.D.1| | 1 |
| Offside Front Direction indicator not working |1.4.A.2c| | 1 |
| Offside Front Hazard warning lamps inoperative |1.4.B.1b| | 1 |
| front brake recording little or no effort |3.7.B.5a| | 1 |
| Offside Front Brake hose stretched |found during steering lock to lock check| |2.2.D.2b| | 1 |
| Nearside Front Brake hose stretched |found during steering lock to lock check| |2.2.D.2b| | 1 |
| Offside Front Electrical wiring insecure behind headlamp area |1.9.2a| | 1 |
| Fuel hose leaking Fuel filler neck |7.2.3| | 1 |
| Offside Front Driver`s seat insecure not mounted 100% insecure |6.2.A.1| | 1 |
| Offside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 1 |
| Nearside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 1 |
| Offside Front position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Nearside Front position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Driver`s seat fore and aft adjustment mechanism not functioning as intended. |6.2.A.3| | 1 |
| Rear Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 1 |
| Nearside Front Wheel hub spigot mounting excessively worn |4.2.B.5| | 1 |
| Nearside Front Wheel fitment excessively worn between the wheel and hub spigot mounting |4.2.B.5| | 1 |
| Nearside Front Brake back plate|s| securing device loose |3.5.1j| | 1 |
| Nearside Front Shock absorber insecure |2.7.2b| | 1 |
| Nearside Front Steering locking device insecure |2.2.C.1g| | 1 |
| Service brake efficiency below requirements |1.2.2 |a| |i|| | 1 |
| Parking brake lever ratchet mechanism is broken |3.1.5| | 1 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Nearside Rear Hydraulic brake cylinder leaking hydraulic fluid |3.6.A.1| | 1 |
| Offside Front Lower Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Nearside Rear Lower Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Offside Rear Lower Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Nearside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Front Road wheel spoke missing |4.2.A.1b| | 1 |
| Brake master cylinder insecurely mounted |3.6.G.1a| | 1 |
| Steering column shaft has excessive end float |2.1.3| | 1 |
| Offside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Offside Front suspension has a suspension upper ball joint securing nut loose |2.5.B.1a| | 1 |
| Offside Leaf spring saddle is moving relative to the spring |2.4.B.7a| | 1 |
| Wheel insecure |4.2.A.1c| | 1 |
| Front Windscreen wiper not operating automatically when switched on |8.2.1b| | 1 |
| Steering box has a significant oil leak |2.2.D.2e| | 1 |
| Nearside rear brakes release unevenly |3.7.B.4| | 1 |
| Steering wheel in a condition that hampers proper control |2.1.1| | 1 |
| Fuel hose leaking |7.2.3| | 1 |
| Rear Mechanical brake component has restricted free movement | 1 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 1 |
| Offside Direction indicator not working |1.4.A.2c| | 1 |
| Nearside wheel cylinder locking device missing |3.5.1l| | 1 |
| Offside Rear Rear position lamp|s| missing |1.1.A.3a| | 1 |
| Front Direction indicators not working |1.4.A.2c| | 1 |
| Rear Direction indicators not working |1.4.A.2c| | 1 |
| Offside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Front front brake binding |3.7.B.1| | 1 |
| Nearside Rear front brake binding |3.7.B.1| | 1 |
| Nearside Front brake disc contaminated by grease |3.5.1h| | 1 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Brake pipe inadequately supported |3.6.B.1| | 1 |
| Nearside Rear Brake pipe inadequately clipped |3.6.B.1| | 1 |
| Nearside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 1 |
| Offside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 1 |
| Nearside Rear Leaf spring saddle is moving relative to the spring |2.4.B.7a| | 1 |
| Offside Rear Leaf spring saddle is moving relative to the spring |2.4.B.7a| | 1 |
| Offside Rear Braking system leaking |3.6.A.1| | 1 |
| Offside Front brake disc excessively pitted |3.5.1h| | 1 |
| Brake pedal anti-slip provision incomplete |3.3.A.1b| | 1 |
| Nearside Front Steering system lock to lock check stretches a brake hose |2.2.D.2b| | 1 |
| Offside Front Steering system lock to lock check stretches a brake hose |2.2.D.2b| | 1 |
| Centre Front Fuel hose leaking in engine bay |7.2.3| | 1 |
| Offside Front Electrical wiring deteriorated and bare wires exposed |1.9.2c| | 1 |
| Nearside Front Brake hose twisted |3.6.B.4c| | 1 |
| Offside Front Braking system leaking |3.6.A.1| | 1 |
| Front Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Boot lid cannot be secured in the closed position (6.2.1 (e)) | 1 |
| Fuel cap/sealing device ineffective (6.1.3 (b) (i)) | 1 |
| Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 1 |
| Nearside Rear Stop lamp(s) all not working (4.3.1 (a) (iii)) | 1 |
| Offside Rear Stop lamp(s) all not working (4.3.1 (a) (iii)) | 1 |
| Offside Front Lower Seat belt missing (7.1.2 (a)) | 1 |
| Offside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Nearside Front Brake hose leaking on a hydraulic braking system (1.1.12 (c) (ii)) | 1 |
| Headlamp aim projected beam image is obviously incorrect Both (4.1.2 (c)) | 1 |
| Nearside Windscreen wiper missing (3.4 (a)) | 1 |
| Offside Windscreen wiper missing (3.4 (a)) | 1 |
| Nearside Front All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Nearside Rear All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Fuel cap/sealing device missing (6.1.3 (b) (i)) | 1 |
| Nearside Front Upper Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 1 |
| Offside Front Upper Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 1 |
| Nearside Track rod end ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 1 |
| Steering rack has excessive free play detected at the steering wheel (steering rack fitted) pinion worn/loose (2.3 (a) (i)) | 1 |
| Fuel system component leaking (6.1.3 (b) (i)) | 1 |
| Nearside Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |