| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 250 |
| Parking brake: efficiency below requirements |3.7.B.7| | 138 |
| Windscreen wiper does not clear the windscreen effectively | 124 |
| Horn not working |1.6.2a| | 102 |
| Exhaust emissions carbon monoxide content excessive |7.3.B.1a| | 100 |
| Registration plate lamp issues | 84 |
| Brake hose excessively deteriorated | 80 |
| Rear parking brake recording little or no effort | 66 |
| Brake pipe excessively corroded | 59 |
| Brakes imbalanced across an axle | 54 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 47 |
| Exhaust emissions hydrocarbon content excessive |7.3.B.1b| | 45 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 43 |
| Offside Stop lamp not working |1.2.1b| | 42 |
| Registration plate issues | 40 |
| Nearside Stop lamp not working |1.2.1b| | 35 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 35 |
| Service brake: efficiency below requirements |3.7.B.7| | 33 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 33 |
| Nearside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 32 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 31 |
| Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 29 |
| Rear brake binding | 28 |
| Rear brake application uneven | 27 |
| Offside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 25 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 25 |
| Windscreen washer not working | 23 |
| Nearside Headlamp not working on main beam |1.7.5a| | 21 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 21 |
| Offside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 20 |
| Battery insecure |1.9.1| | 20 |
| Nearside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 20 |
| Offside front brake binding |3.7.B.1| | 19 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 19 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 18 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 18 |
| Offside Headlamp not working on main beam |1.7.5a| | 17 |
| Offside Front front brake binding |3.7.B.1| | 17 |
| Nearside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 17 |
| Parking brake lever has no reserve travel |3.1.6b| | 16 |
| Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 16 |
| Nearside front brake binding |3.7.B.1| | 15 |
| Nearside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 15 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 15 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 14 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 13 |
| Centre Steering pivot point has excessive play |2.2.B.1g| | 13 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 12 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 11 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 11 |
| Nearside Rear Stop lamp not working |1.2.1b| | 11 |
| Nearside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 11 |
| Offside Rear Stop lamp not working |1.2.1b| | 10 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 10 |
| Front brake application uneven | 10 |
| Nearside Front Upper Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 10 |
| Direction indicators not working |1.4.A.2c| | 10 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 10 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 10 |
| 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| | 9 |
| Rear Drag link end ball joint has excessive play |2.2.B.1f| | 9 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 9 |
| Rear Mechanical brake component has restricted free movement | 9 |
| Offside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 9 |
| Front passenger door cannot be opened from outside the vehicle |6.2.B.1b| | 9 |
| Nearside Front front brake binding |3.7.B.1| | 9 |
| Brake hose damaged | 9 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 8 |
| Windscreen wiper blade insecure | 8 |
| Brake pedal anti-slip provision incomplete |3.3.A.1b| | 8 |
| Offside Headlamp aim beam image kick up to the offside |1.8| | 8 |
| Offside Rear Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 8 |
| Braking system leaking |3.6.A.1| | 8 |
| Nearside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 8 |
| Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 8 |
| Driver`s seat insecure |6.2.A.1| | 7 |
| Front Windscreen wiper not operating automatically when switched on |8.2.1b| | 7 |
| Offside Front Seat belt insecurely fixed to the vehicles structure |5.2.1a| | 7 |
| Offside Front Shock absorber has an excessively worn bush |2.7.4| | 7 |
| Offside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 7 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 7 |
| Offside Rear Rear position lamp|s| not working |1.1.A.3b| | 7 |
| 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| | 7 |
| Offside Rear Rear wheel bearing has excessive play |2.6.2| | 7 |
| Nearside Front Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 7 |
| Horn not working |7.7 |a| |ii|| | 7 |
| Stop lamp not working |1.2.1b| | 7 |
| Nearside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 7 |
| Offside Front Upper Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 7 |
| Offside Rear wheel bearing has excessive play |2.6.2| | 7 |
| Offside Front Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 7 |
| Nearside Headlamp aim beam image kick up to the offside |1.8| | 7 |
| Steering system has excessive free play detected at the steering wheel |steering box fitted| |2.2.A.1a| | 7 |
| Nearside Front Brake hose bulging under pressure |3.6.B.3| | 6 |
| 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| | 6 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 6 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 6 |
| Service brake: efficiency below requirements |3.7.C.1a| | 6 |
| Nearside Front Shock absorber has an excessively worn bush |2.7.4| | 6 |
| Nearside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 6 |
| Indicator tell tale inoperative |1.4.A.2a| | 6 |
| Centre Front Steering pivot point has excessive play |2.2.B.1g| | 6 |
| Offside Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 6 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 6 |
| 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| | 6 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 6 |
| Rear Stop lamp not working |1.2.1b| | 6 |
| Steering column flexible coupling is excessively deteriorated |2.1.5| | 6 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 6 |
| Nearside Front Upper Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 6 |
| Offside Front Steering component mounting prescribed area is excessively corroded |2.2.C.1h| | 6 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 6 |
| Offside Front Sub-frame corroded and seriously weakened |2.4.G.1| | 6 |
| Nearside Front Sub-frame corroded and seriously weakened |2.4.G.1| | 6 |
| Hazard warning switch faulty |1.4.B.1d| | 5 |
| Nearside Exhaust has a major leak of exhaust gases |7.1.2| | 5 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 5 |
| Exhaust engine idle speed too high |7.3.A.2a| | 5 |
| Offside Front Brake hose bulging under pressure |3.6.B.3| | 5 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 5 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 5 |
| Mechanical brake component has restricted free movement | 5 |
| Windscreen has damage | 5 |
| Offside Front Upper Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 5 |
| Nearside Rear Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 5 |
| Offside Front Lower Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 5 |
| Exhaust emissions carbon monoxide content excessive (8.2.1.2 (b)) | 5 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 5 |
| Offside Rear Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 5 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 5 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 5 |
| Nearside Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 5 |
| Offside Front Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 5 |
| Offside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 5 |
| Offside Front Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 5 |
| Offside Rear Vehicle structure excessively corroded within 30cm of towbar mounting |6.6.6| | 5 |
| Nearside Rear Suspension component mounting prescribed area is inadequately repaired |2.4.A.3| | 5 |
| Nearside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 5 |
| Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 5 |
| Nearside Headlamp insecure |1.7.3| | 5 |
| Front Drag link end ball joint has excessive play |2.2.B.1f| | 5 |
| Steering box has relative movement between sector shaft and the drop arm |2.2.B.1b| | 4 |
| Offside Rear Battery insecure |1.9.1| | 4 |
| Offside Rear Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 4 |
| Front Steering pivot point has excessive play |2.2.B.1g| | 4 |
| Offside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 4 |
| Nearside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 4 |
| Offside Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 4 |
| Offside Rear Front constant velocity joint gaiter split |2.5.C.1a| | 4 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 4 |
| Offside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 4 |
| Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 4 |
| Offside Exhaust has a major leak of exhaust gases |7.1.2| | 4 |
| Nearside Rear Brake hose bulging under pressure |3.6.B.3| | 4 |
| Exhaust emissions carbon monoxide content excessive |8.2.1.2 |b|| | 4 |
| Offside Front Brake actuating linkage mounting prescribed area is excessively corroded |3.3.A.2| | 4 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 4 |
| Fuel system component leaking |7.2.3| | 4 |
| Nearside Front Body has a sharp edge caused by corrosion |6.1.C.1| | 4 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 4 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 4 |
| Headlamp switch faulty |1.7.1| | 4 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 4 |
| Offside Rear Direction indicator adversely affected by the operation of another lamp |1.4.A.2h| | 4 |
| Windscreen wiper not operating automatically when switched on |8.2.1b| | 4 |
| Front passenger seat insecure |6.2.3| | 4 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 4 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 4 |
| Nearside Rear Direction indicator adversely affected by the operation of another lamp |1.4.A.2h| | 4 |
| Offside Front position lamp|s| incorrect colour |1.1.A.3e| | 4 |
| Nearside Front Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 4 |
| Brake pipe inadequately supported |3.6.B.1| | 4 |
| Horn not loud enough to be heard by another road user |1.6.2b| | 4 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 4 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 4 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 4 |
| Offside Front Body has a sharp edge caused by corrosion |6.1.C.1| | 4 |
| Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 4 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 4 |
| Nearside Front Lower Shock absorber has an excessively worn bush |2.7.4| | 4 |
| rear brakes release unevenly |3.7.B.4| | 4 |
| Nearside Upper Front suspension ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 4 |
| Centre Steering arm has relative movement at its fixings |2.2.B.1h| | 4 |
| Front passenger door cannot be opened from inside the vehicle |6.2.B.1b| | 4 |
| Offside Windscreen wiper not operating automatically when switched on |8.2.1b| | 4 |
| Offside Rear Statutory seat belt missing |5.1.1| | 3 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 3 |
| Offside Front Direction indicators not working |1.4.A.2c| | 3 |
| Nearside Rear Front constant velocity joint gaiter split |2.5.C.1a| | 3 |
| Offside Front Anti-roll bar attachment bracket/mounting fractured |2.4.G.1| | 3 |
| Nearside Rear Rear wheel bearing rough when rotated |2.6.1| | 3 |
| Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 3 |
| Front Steering damper leaking oil |2.2.C.1f| | 3 |
| Offside Front Direction indicator not working |1.4.A.2c| | 3 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 3 |
| Offside 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| | 3 |
| Nearside Rear Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 3 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 3 |
| Nearside Rear Exhaust has a major leak of exhaust gases |7.1.2| | 3 |
| Steering column top bearing excessively worn |2.1.2c| | 3 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 3 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 3 |
| Offside Front Lower Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 3 |
| Fuel hose leaking |7.2.3| | 3 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 3 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 3 |
| Nearside Rear Rear wheel bearing has excessive play |2.6.2| | 3 |
| Offside Rear Rear wheel bearing rough when rotated |2.6.1| | 3 |
| Nearside Front position lamp|s| incorrect colour |1.1.A.3e| | 3 |
| Nearside Rear Service brake excessively binding |1.2.1 |f|| | 3 |
| Offside Rear Suspension component mounting prescribed area is inadequately repaired |2.4.A.3| | 3 |
| An item not tested |Manual| | 3 |
| Horn not working (7.7 (a) (ii)) | 3 |
| Nearside Upper Front suspension ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 3 |
| Brake performance not tested |3.7.A.1| | 3 |
| Offside Upper Front suspension ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 3 |
| Front Drag link end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 3 |
| Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 3 |
| Windscreen washer control is inaccessible to the driver |8.2.1a| | 3 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 3 |
| Brake pedal anti-slip provision worn smooth |3.3.A.1b| | 3 |
| Offside Upper Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 3 |
| Offside Front Upper Suspension arm ball joint dust cover no longer prevents the ingress of dirt |5.3.4 |b| |ii|| | 3 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 3 |
| Headlamp not working on main beam |1.7.5a| | 3 |
| Front Steering component mounting prescribed area is excessively corroded |2.2.C.1h| | 3 |
| Offside Front Statutory seat belt missing |5.1.1| | 3 |
| Hazard warning tell tale not working correctly |1.4.B.1e| | 3 |
| Nearside Rear Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 3 |
| 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| | 3 |
| Nearside Front Brake valve leaking |3.6.A.1| | 3 |
| Offside Rear Exhaust has a major leak of exhaust gases |7.1.2| | 3 |
| Nearside Lower Front suspension ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 3 |
| Offside Upper Front suspension ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 3 |
| Driver`s seat fore and aft adjustment mechanism not functioning as intended. |6.2.A.3| | 3 |
| Nearside Rear Body has a sharp edge caused by corrosion |6.1.C.1| | 3 |
| Offside Rear Body has a sharp edge caused by corrosion |6.1.C.1| | 3 |
| Nearside Inner Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Rear Vehicle structure excessively corroded within 30cm of towbar mounting |6.6.6| | 3 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 3 |
| Offside Front Vehicle structure has an unsatisfactory modification, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 3 |
| Nearside Windscreen wiper not operating automatically when switched on |8.2.1b| | 3 |