| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 44 |
| Parking brake: efficiency below requirements |3.7.B.7| | 33 |
| Rear parking brake recording little or no effort | 20 |
| Exhaust emissions carbon monoxide content excessive |7.3.B.1a| | 16 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 13 |
| Registration plate lamp issues | 11 |
| Horn not working |1.6.2a| | 11 |
| Brakes imbalanced across an axle | 9 |
| Rear brake binding | 9 |
| Windscreen wiper does not clear the windscreen effectively | 9 |
| Brake pipe excessively corroded | 8 |
| Exhaust emissions hydrocarbon content excessive |7.3.B.1b| | 7 |
| Registration plate issues | 7 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 5 |
| Nearside Stop lamp not working |1.2.1b| | 5 |
| Offside Stop lamp not working |1.2.1b| | 5 |
| Offside Rear fog lamp not working |1.3.2b| | 5 |
| Offside Rear Stop lamp not working |1.2.1b| | 4 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 4 |
| Service brake: efficiency below requirements |3.7.B.7| | 4 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 4 |
| Direction indicators not working |1.4.A.2c| | 4 |
| Offside Headlamp not working on main beam |1.7.5a| | 3 |
| Indicator tell tale inoperative |1.4.A.2a| | 3 |
| Brake hose excessively deteriorated | 3 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 3 |
| Nearside front brake binding |3.7.B.1| | 3 |
| Offside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 3 |
| Mechanical brake component has restricted free movement | 3 |
| Offside Front Direction indicator not working |1.4.A.2c| | 3 |
| Offside Front front brake binding |3.7.B.1| | 2 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Nearside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Rear Rear fog lamp not working |1.3.2b| | 2 |
| Offside Rear fog lamp missing |1.3.2a| | 2 |
| Nearside Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b| | 2 |
| Offside Side repeater not working |1.4.A.2c| | 2 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 2 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 2 |
| Offside Front Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 2 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 2 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 2 |
| Rear fog lamp tell tale not working |1.3.1b| | 2 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 2 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 2 |
| Emissions not tested |7.0| | 2 |
| Nearside Headlamp not working on main beam |1.7.5a| | 2 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 2 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 2 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 2 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Offside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 2 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 2 |
| Offside Headlamp excessively damaged so that the light output is severely reduced |1.7.5a| | 2 |
| Offside front brake binding |3.7.B.1| | 2 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 2 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 2 |
| Nearside Rear Stop lamp not working |1.2.1b| | 2 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 2 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 2 |
| Rear brake disc excessively scored |3.5.1h| | 1 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 1 |
| Rear brake application uneven | 1 |
| Offside Front Brake pipe inadequately clipped |3.6.B.1| | 1 |
| Offside Rear Brake cable has wires broken and is significantly weakened |3.5.1b| | 1 |
| Nearside Front brake caliper has restricted free movement |3.5.1k| | 1 |
| Offside Front brake caliper has restricted free movement |3.5.1k| | 1 |
| Offside Rear brake caliper has restricted free movement |3.5.1k| | 1 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 1 |
| Centre Rear fog lamp not working |1.3.2b| | 1 |
| Nearside Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 1 |
| Electrical wiring insecure and connectors likely to become disconnected battery terminal incorrect for type of battery and lose on mounting post |4.11 |a| |ii|| | 1 |
| Offside Front Macpherson strut attachment bracket/mounting likely to become detached excessive play in lower mounting |5.3.3 |a| |ii|| | 1 |
| Windscreen washer not working | 1 |
| Brake fluid warning lamp illuminated |3.6.G.2| | 1 |
| Offside Seat belt retracting mechanism defective |5.2.5b| | 1 |
| Electrical wiring inadequately supported battery terminals |1.9.2a| | 1 |
| Nearside Steering rack fractured and unserviceable n/s joint |2.2.C.1d| | 1 |
| Offside Front Macpherson strut has excessive play in the sliding bush or gland |2.5.B.1b| | 1 |
| Nearside Rear Outer Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 1 |
| Nearside Rear Inner Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 1 |
| Exhaust engine idle speed too high |7.3.A.2a| | 1 |
| Nearside Suspension component mounting prescribed area is excessively corroded floor |2.4.A.3| | 1 |
| Offside Suspension component mounting prescribed area is excessively corroded floor |2.4.A.3| | 1 |
| Nearside Rear Inner Suspension component mounting prescribed area is excessively corroded sill |2.4.A.3| | 1 |
| Offside Rear Inner Suspension component mounting prescribed area is excessively corroded sill |2.4.A.3| | 1 |
| Nearside Rear Sub-frame corroded and seriously weakened |2.4.G.1| | 1 |
| Offside Rear Sub-frame corroded and seriously weakened |2.4.G.1| | 1 |
| Central Rear Sub-frame corroded and seriously weakened |2.4.G.1| | 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 Inner Front Battery insecure |1.9.1| | 1 |
| Nearside Front Brake performance not tested |3.7.A.1| | 1 |
| Offside Front Brake performance not tested |3.7.A.1| | 1 |
| Nearside Rear Brake performance not tested |3.7.A.1| | 1 |
| Offside Rear Brake performance not tested |3.7.A.1| | 1 |
| Centre Rear Emissions not tested |7.0| | 1 |
| Offside Inner Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Offside Inner Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Windscreen has damage | 1 |
| Headlamp excessively damaged so that the light output is severely reduced |1.7.5a| | 1 |
| Headlamp not in good working order adversely affecting beam image |1.2.4a| | 1 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 1 |
| brake disc excessively pitted |3.5.1h| | 1 |
| Rear Tie bar/rod attachment bracket/mounting nut missing |2.4.G.1| | 1 |
| Stop lamp not working |1.2.1b| | 1 |
| Offside Front suspension ball joint dust cover missing |2.4.G.2| | 1 |
| Nearside Rear Front position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Steering arm has relative movement at its fixings |2.2.B.1h| | 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 |
| Suspension component mounting prescribed area is fractured |2.4.A.3| | 1 |
| Nearside Ball joint has excessive play |2.2.B.1f| | 1 |
| Offside Rear Rear wheel bearing rough when rotated |2.6.1| | 1 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 1 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 1 |
| Direction indicators flashing less than 60 times a minute |1.4.A.2g| | 1 |
| Offside Front Direction indicator incomplete |1.5.A1b| | 1 |
| Offside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 1 |
| Offside Rear Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 1 |
| Nearside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Nearside Front Steering rack gaiter split |2.2.D.2d| | 1 |
| Nearside Front Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 1 |
| Nearside Side repeater adversely affected by the operation of another lamp |1.4.A.2h| | 1 |
| Nearside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 1 |
| Nearside Rear Braking system leaking |3.6.A.1| | 1 |
| Headlamp not working on dipped beam |1.7.5a| | 1 |
| Headlamp not working on main beam |1.7.5a| | 1 |
| Braking system leaking offside front caliper/pipe area |3.6.A.1| | 1 |
| Braking system leaking offside rear brake pipe area |3.6.A.1| | 1 |
| Exhaust system not adequately supported |7.1.1| | 1 |
| Rear Mechanical brake component has restricted free movement | 1 |
| Nearside Indicator tell tale inoperative |1.4.A.2a| | 1 |
| Offside Direction indicator flashing less than 60 times a minute |1.4.A.2g| | 1 |
| Nearside Direction indicator not working |1.4.A.2c| | 1 |
| Offside Front Brake pedal actuating linkage excessively corroded |3.3.A.1a| | 1 |
| Nearside Front Tie bar/rod attachment bracket/mounting corroded and its strength is seriously reduced |2.4.G.1| | 1 |
| Offside Front Tie bar/rod attachment bracket/mounting corroded and its strength is seriously reduced |2.4.G.1| | 1 |
| Offside Front Suspension arm attachment bracket/mounting corroded and its strength is seriously reduced |2.4.G.1| | 1 |
| Offside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Fuel pipe leaking |7.2.3| | 1 |
| Nearside Inner Front Steering arm damaged and unserviceable |2.2.C.1d| | 1 |
| Nearside Front suspension has a suspension lower ball joint securing nut loose |2.5.B.1a| | 1 |
| Offside Rear Suspension arm locating pin locking device missing |2.4.G.3b| | 1 |
| Offside Steering locking device insecure |2.2.C.1g| | 1 |
| Parking brake lever pawl spring does not push the pawl positively into the ratchet teeth |3.1.5| | 1 |
| Bootlid cannot be secured in the closed position |6.4.1| | 1 |
| Offside Headlamp does not operate immediately when selected on main beam |1.7.4a| | 1 |
| Headlamp switch faulty |1.7.1| | 1 |
| Nearside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Front Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 1 |
| Nearside Rear Bumper damaged and likely to cause injury when grazed or contacted |6.1.4 |a| |i|| | 1 |
| Offside Rear Bumper damaged and likely to cause injury when grazed or contacted |6.1.4 |a| |i|| | 1 |
| Nearside Seat belt anchorage prescribed area strength or continuity significantly reduced |7.1.1 |a| |i|| | 1 |
| Offside Seat belt anchorage prescribed area strength or continuity significantly reduced |7.1.1 |a| |i|| | 1 |
| Nearside Seat belt not functioning as intended |7.1.2 |c|| | 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 |
| Offside 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 |
| Nearside Steering rack gaiter missing or no longer prevents the ingress of dirt |2.1.3 |g| |ii|| | 1 |
| Offside Steering rack gaiter missing or 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| |2.3 |a| |i|| | 1 |
| Nearside Front Suspension component mounting prescribed area excessively corroded significantly reducing structural strength |5.3.6 |a| |i|| | 1 |
| Offside Front Suspension component mounting prescribed area excessively corroded significantly reducing structural strength |5.3.6 |a| |i|| | 1 |
| Nearside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength |5.3.6 |a| |i|| | 1 |
| Offside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength |5.3.6 |a| |i|| | 1 |
| Offside Front Body panel corroded and likely to cause injury |6.2.1 |a| |i|| | 1 |
| Offside Rear Body panel corroded and likely to cause injury |6.2.1 |a| |i|| | 1 |
| Nearside Rear Body panel corroded and likely to cause injury |6.2.1 |a| |i|| | 1 |
| Parking brake lever defective so that it cannot be satisfactorily operated |1.1.6 |d|| | 1 |
| Hazard warning lamps inoperative |1.4.B.1b| | 1 |
| Nearside Front Inner Steering arm has relative movement at its fixings |2.2.B.1h| | 1 |
| Offside Rear Direction indicator excessively damaged so that it is not visible from a reasonable distance |1.4.A.2e| | 1 |
| Offside Direction indicator adversely affected by the operation of another lamp |1.4.A.2h| | 1 |
| Nearside Side repeater not working |1.4.A.2c| | 1 |
| Nearside Headlamp not in good working order |not working| |1.2.4a| | 1 |
| Offside Headlamp not in good working order |not working| |1.2.4a| | 1 |
| Front Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 1 |
| Offside Semaphore indicator tell tale not working correctly |1.4.C.2| | 1 |
| Battery insecure |1.9.1| | 1 |
| Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b| | 1 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Nearside Rear Lower Suspension arm ball joint dust cover missing |2.4.G.2| | 1 |
| Offside Rear Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 1 |
| Nearside Front Lower Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 1 |
| Direction indicators not in good working order |function impaired| |1.5.A1b| | 1 |
| Stop lamp|s| switch with a delay in operation |4.3.2 |a| |ii|| | 1 |
| Brake master cylinder leaking hydraulic fluid |3.6.G.1f| | 1 |
| Nearside Front Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Offside Inner Rear Suspension spring mounting prescribed area is inadequately repaired |2.4.A.3| | 1 |
| Seat belt anchorage prescribed area is inadequately repaired |5.2.6| | 1 |
| Rear Stop lamp not working both sides |1.2.1b| | 1 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 1 |
| Front brake application uneven | 1 |
| Brake master cylinder/servo mounting prescribed area is excessively corroded |3.6.C.3| | 1 |
| Brake master cylinder fluid level below minimum level |3.6.G.1e| | 1 |
| Front Brake master cylinder leaking hydraulic fluid |3.6.G.1f| | 1 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 1 |
| Offside Front Lower Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Service brake: efficiency below requirements |3.7.C.1a| | 1 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 1 |
| Indicator switch faulty |1.4.A.1| | 1 |
| Offside Rear Rear fog lamp switch faulty |1.3.1a| | 1 |
| Hazard warning switch faulty |1.4.B.1d| | 1 |
| Emissions not tested due to engine stalling |7.3.A.1| | 1 |
| Nearside Seat belt locking mechanism does not secure or release |5.2.5a| | 1 |
| Body insecure and dangerous to other road users cooling pipes bracket all broken and cover insecure |6.1.B.1b| | 1 |
| Brake pedal spongy |3.3.B.1b| | 1 |
| Nearside Headlamp excessively damaged so that the light output is severely reduced |1.7.5a| | 1 |
| Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 1 |
| Nearside Front front brake recording little or no effort |3.7.B.5a| | 1 |
| Offside Front front brake recording little or no effort |3.7.B.5a| | 1 |
| Nearside Rear front brake recording little or no effort |3.7.B.5a| | 1 |
| Offside Rear front brake recording little or no effort |3.7.B.5a| | 1 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 1 |
| Nearside Seat belt flexible stalk deteriorated likely to lead to failure under load |5.2.4a| | 1 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 1 |
| Offside Rear position lamp|s| incorrect colour |1.1.A.3e| | 1 |
| Hazard warning tell tale not working correctly |1.4.B.1e| | 1 |
| Front brake disc excessively pitted |3.5.1h| | 1 |
| Rear brake disc excessively pitted |3.5.1h| | 1 |
| Brake hydraulic reservoir fluid level below minimum level |3.6.G.1b| | 1 |
| Rear Fuel pipe leaking excessively or a risk of fire engine |6.1.3 |b| |ii|| | 1 |
| All direction indicators not working |4.4.1 |a| |ii|| | 1 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 1 |
| Offside Front Front wheel bearing rough when rotated |2.5.A.2| | 1 |
| Nearside Steering rack insecure |2.2.B.1a| | 1 |
| Nearside Front 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 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 |
| Nearside Rear Torque/reaction arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 1 |
| Nearside Rear Drive shaft which forms part of the suspension coupling gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.4.G.4e| | 1 |
| Nearside Front Braking system leaking |3.6.A.1| | 1 |
| Offside Front Macpherson strut inappropriately repaired |2.4.A.2| | 1 |
| Nearside Rear Lower Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 1 |
| Hydraulic brake cylinder leaking hydraulic fluid |3.6.A.1| | 1 |
| Rear fog lamp not working |1.3.2b| | 1 |
| Offside Rear Body has a projection caused by corrosion |6.1.C.1| | 1 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 1 |
| Nearside Inner Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Offside Inner Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Brake hose damaged | 1 |
| Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Brake hydraulic reservoir insecurely mounted |3.6.A.2a| | 1 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 1 |
| Nearside Steering rack damaged and unserviceable |2.2.C.1d| | 1 |
| Offside Steering rack damaged and unserviceable |2.2.C.1d| | 1 |
| Nearside front brake juddering severely |3.7.A.2b| | 1 |
| Offside front brake juddering severely |3.7.A.2b| | 1 |
| Nearside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 1 |
| Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 1 |