| Most common failures | No# failures |
|---|
| Exhaust emissions carbon monoxide content excessive |7.3.B.1a| | 14 |
| Headlamp aim out of alignment | 12 |
| Exhaust emissions hydrocarbon content excessive |7.3.B.1b| | 12 |
| Registration plate lamp issues | 10 |
| Windscreen wiper does not clear the windscreen effectively | 10 |
| Parking brake: efficiency below requirements |3.7.B.7| | 8 |
| Brake pipe excessively corroded | 8 |
| Horn not working |1.6.2a| | 7 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 5 |
| Front brake disc in such a condition that it is seriously weakened | 5 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 5 |
| Service brake: efficiency below requirements |3.7.B.7| | 4 |
| Nearside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 4 |
| Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 4 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 4 |
| Brake hose excessively deteriorated | 4 |
| Nearside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 4 |
| Nearside Rear Upper Shock absorber has an excessively worn bush |2.7.4| | 4 |
| Rear brake disc in such a condition that it is seriously weakened | 4 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 4 |
| Rear brake binding | 4 |
| Direction indicators not working |1.4.A.2c| | 3 |
| Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 3 |
| Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 3 |
| Registration plate issues | 3 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 3 |
| Offside Rear Upper Shock absorber has an excessively worn bush |2.7.4| | 3 |
| Driver`s door cannot be opened from inside the vehicle |6.2.B.1b| | 3 |
| Nearside Rear brake disc contaminated by oil |3.5.1h| | 3 |
| Dipswitch operation does not deflect all main beam headlamps to make them dipped beams |1.7.4b| | 2 |
| Nearside Rear Shock absorber has an excessively worn bush |2.7.4| | 2 |
| Offside Rear Shock absorber has an excessively worn bush |2.7.4| | 2 |
| Nearside Stop lamp not working |1.2.1b| | 2 |
| Offside Stop lamp not working |1.2.1b| | 2 |
| Emissions not tested |7.0| | 2 |
| Service brake is causing the vehicle to swerve to the offside |3.7.C.2| | 2 |
| Service brake: efficiency below requirements |3.7.C.1a| | 2 |
| Nearside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Nearside Front brake disc contaminated by oil |3.5.1h| | 2 |
| Offside Front brake disc contaminated by oil |3.5.1h| | 2 |
| Parking brake lever has no reserve travel |3.1.6b| | 2 |
| Brake master cylinder/servo mounting prescribed area is excessively corroded |3.6.C.3| | 2 |
| Nearside Windscreen wiper not operating automatically when switched on |8.2.1b| | 2 |
| Front brake application uneven | 2 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 2 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 2 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 2 |
| Offside front brake binding |3.7.B.1| | 2 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 2 |
| Brakes imbalanced across an axle | 2 |
| Stop lamp not working |1.2.1b| | 2 |
| Brake hose has insufficient room to move | 2 |
| Brake performance not tested |3.7.A.1| | 2 |
| Offside Headlamp not working on main beam |1.7.5a| | 2 |
| Offside Front Seat belt stitching badly frayed |5.2.2b| | 1 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Power steering pump leaking from a failed seal |2.3.3b| | 1 |
| Vehicle structure has an inadequate repair, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 1 |
| Nearside Rear Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Offside Rear Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Nearside Rear Braking system leaking |3.6.A.1| | 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 |
| Front brake excessively fluctuating | 1 |
| Hazard warning lamps inoperative |1.4.B.1b| | 1 |
| Nearside Front Brake hose kinked Both hoses, Caliper end... |3.6.B.4b| | 1 |
| Offside Front Torque/reaction arm has excessive play in a pin/bush Chalked!! |2.4.G.2| | 1 |
| Vehicle Identification Number not permanently displayed |6.3.5.a| | 1 |
| Nearside Front Seat belt insecurely fixed to the vehicles structure |5.2.1a| | 1 |
| Offside Front Seat belt insecurely fixed to the vehicles structure |5.2.1a| | 1 |
| Brake servo insecurely mounted |3.6.A.2a| | 1 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Nearside Front Front suspension has excessive movement at a suspension ball joint |2.5.A.1c| | 1 |
| Nearside Rear brake caliper has restricted free movement |3.5.1k| | 1 |
| Nearside Inner Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Nearside Outer Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Inner Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Outer Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Fuel system component leaking |7.2.3| | 1 |
| Hazard warning tell tale not working correctly |1.4.B.1e| | 1 |
| Nearside Front Upper Shock absorber has an excessively worn bush |2.7.4| | 1 |
| Rear Brake pipe inadequately supported |3.6.B.1| | 1 |
| Nearside Front Track rod end ball joint dust cover missing |2.2.C.1c| | 1 |
| Nearside Rear Track rod end ball joint dust cover missing |2.2.C.1c| | 1 |
| Nearside Front Steering arm has relative movement at its fixings |2.2.B.1h| | 1 |
| Offside Front Steering arm has relative movement at its fixings |2.2.B.1h| | 1 |
| Offside Front Braking system leaking |3.6.A.1| | 1 |
| Nearside Front Lower Shock absorber has an excessively worn bush |2.7.4| | 1 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 1 |
| Front Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 1 |
| Rear Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 1 |
| Front Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 1 |
| Rear Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 1 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 1 |
| Offside Front Radius arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Offside Front Front wheel bearing rough when rotated |2.5.A.2| | 1 |
| Nearside Rear Body or chassis has an unsatisfactory modification, seriously affecting its strength within 30cm of the body mountings x 2 |6.1.B.2| | 1 |
| Offside Rear Vehicle structure excessively corroded within 30cm of towbar mounting rear valance |6.6.6| | 1 |
| Nearside Panhard rod rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Electrical wiring inadequately supported |1.9.2a| | 1 |
| Offside Brake master cylinder/servo mounting prescribed area is excessively corroded |3.6.C.3| | 1 |
| Steering retaining device insecure |2.2.C.1g| | 1 |
| Rear Exhaust system not adequately supported |7.1.1| | 1 |
| Nearside Front Steering column flexible coupling is excessively deteriorated |2.1.5| | 1 |
| Steering system has excessive free play detected at the steering wheel |steering box fitted| |2.2.A.1a| | 1 |
| Offside Steering arm has relative movement at its fixings |2.2.B.1h| | 1 |
| Offside Windscreen wiper not operating over a large enough area to give an adequate view |8.2.1c| | 1 |
| Nearside passenger door does not latch securely closed |6.2.B.1a| | 1 |
| Offside Front Direction indicator not working |1.4.A.2c| | 1 |
| Horn control not readily accessible to the driver |1.6.1| | 1 |
| An item not tested |Manual| | 1 |
| Front Steering damper gland failed and leaking oil |2.2.C.1e| | 1 |
| Nearside Rear Statutory seat belt missing |5.1.1| | 1 |
| Front Steering box has relative movement between sector shaft and the drop arm |2.2.B.1b| | 1 |
| Nearside Front Torque/reaction arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Nearside Rear reflector missing |1.5.1a| | 1 |
| Offside Rear reflector missing |1.5.1a| | 1 |
| Nearside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 1 |
| Centre Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Nearside Rear Lower Shock absorber has an excessively worn bush |2.7.4| | 1 |
| Offside Rear Lower Shock absorber has an excessively worn bush |2.7.4| | 1 |
| Position lamp switch faulty |1.1.A.1| | 1 |
| Rear parking brake recording little or no effort | 1 |
| Nearside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Headlamp not in good working order |not working| |1.2.4a| | 1 |
| Nearside Side repeater not working |1.4.A.2c| | 1 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Nearside Seat belt locking mechanism does not secure or release |5.2.5a| | 1 |
| Offside Seat belt locking mechanism does not secure or release |5.2.5a| | 1 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 1 |
| Offside Front brake disc excessively pitted |3.5.1h| | 1 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 1 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 1 |
| Nearside Front Body insecure and dangerous to other road users |6.1.B.1b| | 1 |
| Offside Windscreen wiper not operating automatically when switched on |8.2.1b| | 1 |
| Fuel system component leaking excessively or a risk of fire |6.1.3 |b| |ii|| | 1 |
| Power steering pipe/hose leaking |2.1.5 |a|| | 1 |
| Stop lamp|s| all not working |4.3.1 |a| |iii|| | 1 |
| Exhaust emissions carbon monoxide content excessive |8.2.1.2 |b|| | 1 |
| Offside Front Valve stem seriously misaligned |5.2.3 |j|| | 1 |
| Offside Rear Valve stem seriously misaligned |5.2.3 |j|| | 1 |
| Rear fog lamp not working |1.3.2b| | 1 |
| Offside Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Nearside Track rod end ball joint dust cover insecure so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Nearside Front Valve stem seriously misaligned |4.1.D.1e| | 1 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 1 |
| Offside Front Brake master cylinder/servo mounting prescribed area is excessively corroded |3.6.C.3| | 1 |
| Direction indicators flashing more than 120 times a minute |1.4.A.2g| | 1 |
| Nearside front brake binding |3.7.B.1| | 1 |
| Offside front brake recording little or no effort |3.7.B.5a| | 1 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Nearside Rear Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 1 |
| Nearside Rear Road wheel bead rim badly distorted |4.2.A.1a| | 1 |
| Offside Front Side repeater not working |1.4.A.2c| | 1 |
| Nearside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 1 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 1 |
| Nearside Seat belt insecurely fixed to the vehicles structure |5.2.1a| | 1 |
| Offside Seat belt insecurely fixed to the vehicles structure |5.2.1a| | 1 |
| Nearside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Nearside Rear position lamp|s| incomplete |1.1.4a| | 1 |
| Offside Front Steering box has relative movement between sector shaft and the drop arm |2.2.B.1b| | 1 |
| Power steering component|s| leaking |2.3.3b| | 1 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 1 |
| Offside Front Body or chassis has an unsatisfactory modification, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Nearside Steering box has relative movement between sector shaft and the drop arm |2.2.B.1b| | 1 |
| Offside Front Fluid suspension unit leaking |2.4.D.2| | 1 |
| Nearside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 1 |
| Offside Rear Direction indicators not working |1.4.A.2c| | 1 |
| Offside Front Direction indicators not working |1.4.A.2c| | 1 |
| Offside Rear Stop lamp not working |1.2.1b| | 1 |
| Nearside Rear Stop lamp not working |1.2.1b| | 1 |
| Stop lamp emits other than a steady red light |1.2.1e| | 1 |
| Power steering pipe|s| or hose|s| leaking |2.3.3b| | 1 |
| Windscreen has damage | 1 |
| Offside Side repeater not working |1.4.A.2c| | 1 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Nearside Front Direction indicator incomplete |1.5.A1b| | 1 |
| Offside Front Panhard rod rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Upper Steering column universal joint has excessive play |2.1.5| | 1 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 1 |
| Parking brake: efficiency below requirements |3.7.D.4| | 1 |
| Horn is a siren |1.6.2c| | 1 |
| Offside Rear position lamp|s| excessively damaged so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Offside Rear Direction indicators not in good working order |function impaired| |1.5.A1b| | 1 |
| Offside Stop lamp excessively damaged so that it is not visible from a reasonable distance |1.2.1d| | 1 |
| Nearside Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Nearside Front Panhard rod has excessive play in a pin/bush |2.4.G.2| | 1 |
| Offside Front Panhard rod has excessive play in a pin/bush |2.4.G.2| | 1 |
| Brake pipe inadequately clipped |3.6.B.1| | 1 |
| Front Power steering pipe|s| or hose|s| leaking from a joint |2.3.3b| | 1 |
| Offside Front Horn not working |7.7 |a| |ii|| | 1 |
| Nearside Rear Position lamp not working |4.2.1 |a|| | 1 |
| Central Front Windscreen washer jets misaligned and not providing sufficient fluid to the windscreen |3.5 |a|| | 1 |
| Nearside Rear Exhaust emissions carbon monoxide content excessive |8.2.1.2 |b|| | 1 |
| Nearside Front Wheel bearing so rough it is likely to overheat or break up |5.1.3 |b| |ii|| | 1 |
| Nearside Front Drag link 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 |
| Offside Front Drag link 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 |
| Offside Front Drag link end ball joint has excessive play |2.1.3 |b| |i|| | 1 |
| Offside Front Halfshaft securing bolt missing |6.1.7 |a| |i|| | 1 |
| Central Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength |5.3.6 |a| |i|| | 1 |
| Hazard warning switch faulty |1.4.B.1d| | 1 |
| Steering box has a significant oil leak |2.2.D.2e| | 1 |
| Nearside Rear Vehicle structure excessively corroded within 30cm of towbar mounting |6.6.6| | 1 |
| Offside Front Lower Seat belt anchorage prescribed area is excessively corroded outer sill |5.2.6| | 1 |
| Nearside Front Lower Seat belt anchorage prescribed area is excessively corroded inner and outer sills |5.2.6| | 1 |
| Offside Front Lower Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 1 |
| Power steering pump leaking from a failed component |2.3.3b| | 1 |
| Offside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Steering component is not secure to the vehicle structure |2.2.B.1a| | 1 |
| Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Rear Braking system leaking |3.6.A.1| | 1 |
| Fuel hose leaking |7.2.3| | 1 |
| Nearside Front Brake pipe fouled by moving parts |3.6.B.2a| | 1 |
| Offside Front Brake pipe fouled by moving parts |3.6.B.2a| | 1 |
| Front Panhard rod locating pin insecure |2.4.G.3a| | 1 |
| Nearside Front Seat belt affected by an insecure seat fixing |5.2.1b| | 1 |
| Offside Front Seat belt affected by an insecure seat fixing |5.2.1b| | 1 |
| Steering box leaking to the extent that oil is dripping |2.1.1 |e| |ii|| | 1 |
| Oil leaking excessively from transmission Both Nearside and offside front tractor units |8.4.1 |a| |i|| | 1 |
| Nearside Windscreen washer jets misaligned and not providing sufficient fluid to the windscreen |3.5 |a|| | 1 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Headlamp switch faulty Main beam switch faulty |1.7.1| | 1 |
| Rear Upper Shock absorber has an excessively worn bush both sides |2.7.4| | 1 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 1 |
| Horn not loud enough to be heard by another road user |1.6.2b| | 1 |
| Nearside Rear position lamp|s| has less than 50% of the light sources illuminating |1.1.A.3b| | 1 |
| Nearside Stop lamp has less than 50% of the light sources illuminating |1.2.1b| | 1 |
| Horn sounds harsh or grating |1.6.2e| | 1 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Nearside Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Offside Front Track rod end ball joint worn to the extent there is a serious risk of detachment (2.1.3 (b) (ii)) | 1 |
| Nearside Front Drag link end ball joint has excessive play (2.1.3 (b) (i)) | 1 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |