| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 158 |
| Windscreen wiper does not clear the windscreen effectively | 115 |
| Registration plate lamp issues | 88 |
| Exhaust emissions carbon monoxide content excessive |7.3.B.1a| | 87 |
| Brake pipe excessively corroded | 76 |
| Parking brake: efficiency below requirements |3.7.B.7| | 71 |
| Brake hose excessively deteriorated | 69 |
| Horn not working |1.6.2a| | 63 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 50 |
| Registration plate issues | 47 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 42 |
| Brakes imbalanced across an axle | 40 |
| Exhaust emissions hydrocarbon content excessive |7.3.B.1b| | 37 |
| Nearside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 30 |
| Nearside Stop lamp not working |1.2.1b| | 30 |
| Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 29 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 27 |
| Rear parking brake recording little or no effort | 27 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 25 |
| Offside Stop lamp not working |1.2.1b| | 23 |
| Offside Rear fog lamp not working |1.3.2b| | 22 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 22 |
| Service brake: efficiency below requirements |3.7.B.7| | 22 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 21 |
| Rear brake binding | 19 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 15 |
| Nearside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 15 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 15 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 14 |
| Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 14 |
| Emissions not tested |7.0| | 13 |
| Windscreen washer not working | 13 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 12 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 12 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 12 |
| Rear brake application uneven | 12 |
| Exhaust emissions carbon monoxide content excessive |8.2.1.2 |b|| | 11 |
| Battery insecure |1.9.1| | 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 Headlamp aim beam image obviously incorrect |1.8.A.1b| | 10 |
| Offside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 10 |
| Rear fog lamp not working |1.3.2b| | 10 |
| Offside Front front brake binding |3.7.B.1| | 10 |
| Parking brake lever has no reserve travel |3.1.6b| | 10 |
| Direction indicators not working |1.4.A.2c| | 9 |
| Offside front brake binding |3.7.B.1| | 9 |
| Nearside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 9 |
| Rear fog lamp tell tale not working |1.3.1b| | 9 |
| Offside Headlamp not working on main beam |1.7.5a| | 9 |
| Nearside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 9 |
| Offside Front Body has a sharp edge caused by corrosion |6.1.C.1| | 9 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 8 |
| Front brake application uneven | 8 |
| Horn not working |7.7 |a| |ii|| | 8 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 8 |
| Offside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 8 |
| Nearside front brake binding |3.7.B.1| | 8 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 8 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 7 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 7 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 7 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 7 |
| Offside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 7 |
| Steering system has excessive free play detected at the steering wheel |steering box fitted| |2.2.A.1a| | 7 |
| 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| | 7 |
| Nearside Rear Suspension arm corroded and seriously weakened |2.4.G.1| | 7 |
| Service brake: efficiency below requirements |3.7.C.1a| | 7 |
| Nearside Headlamp not working on main beam |1.7.5a| | 7 |
| Oil leaking excessively from engine (8.4.1 (a) (i)) | 7 |
| Offside Rear Brake hose bulging under pressure |3.6.B.3| | 6 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 6 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 6 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 6 |
| Nearside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 6 |
| Offside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 6 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 6 |
| Exhaust emissions hydrocarbon content excessive |8.2.1.2 |b|| | 6 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 6 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 6 |
| Nearside Rear Brake hose bulging under pressure |3.6.B.3| | 5 |
| Offside Front Steering component mounting prescribed area is excessively corroded |2.2.C.1h| | 5 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 5 |
| Offside Steering rack gaiter split |2.2.D.2d| | 5 |
| Nearside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 5 |
| Offside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 5 |
| Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 5 |
| Offside Rear Stop lamp not working |1.2.1b| | 5 |
| Offside Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 5 |
| Nearside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 5 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 5 |
| Offside Rear wheel bearing has excessive play |2.6.2| | 5 |
| Offside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 5 |
| 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| | 5 |
| Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 5 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 5 |
| Offside Front Brake hose bulging under pressure |3.6.B.3| | 5 |
| Nearside Front front brake binding |3.7.B.1| | 5 |
| Rear fog lamp missing |1.3.2a| | 5 |
| Nearside Rear Stop lamp not working |1.2.1b| | 5 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 5 |
| Offside Rear Body has a sharp edge caused by corrosion |6.1.C.1| | 5 |
| Brake hose has insufficient room to move | 5 |
| Rear Mechanical brake component has restricted free movement | 5 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 5 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 4 |
| Offside Inner Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 4 |
| Brake pedal spongy |3.3.B.1b| | 4 |
| Offside Front Lower Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 4 |
| Exhaust engine idle speed too high |7.3.A.2a| | 4 |
| Rear Stop lamp not working |1.2.1b| | 4 |
| Nearside Body has a sharp edge caused by corrosion |6.1.C.1| | 4 |
| Nearside Front Seat belt insecurely fixed to the vehicles structure |5.2.1a| | 4 |
| Nearside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 4 |
| Offside Rear fog lamp missing |1.3.2a| | 4 |
| Nearside Headlamp aim beam image kick up to the offside |1.8| | 4 |
| Nearside Front Steering rack gaiter split |2.2.D.2d| | 4 |
| Brake performance not tested |3.7.A.1| | 4 |
| Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 4 |
| Offside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 4 |
| Windscreen wiper blade insecure | 4 |
| Mechanical brake component has restricted free movement | 4 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 4 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 4 |
| Offside Rear Rear fog lamp missing |1.3.2a| | 4 |
| Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b| | 4 |
| Rear Drag link end ball joint has excessive play |2.2.B.1f| | 4 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 4 |
| 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| | 4 |
| Offside Front Upper Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 4 |
| Exhaust emissions carbon monoxide content excessive (8.2.1.2 (b)) | 4 |
| Horn not working (1.6.2a) | 4 |
| Nearside Front Brake hose bulging under pressure |3.6.B.3| | 3 |
| Hazard warning lamps inoperative |1.4.B.1b| | 3 |
| Nearside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 3 |
| 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| | 3 |
| Nearside Front Anti-roll bar linkage insecure |2.4.G.1| | 3 |
| Nearside Inner Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 3 |
| Brake pedal creeps down when held under pressure |3.3.B.1a| | 3 |
| Nearside Front Anti-roll bar attachment bracket/mounting fractured |2.4.G.1| | 3 |
| Offside Rear Direction indicator adversely affected by the operation of another lamp |1.4.A.2h| | 3 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 3 |
| Nearside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 3 |
| Offside Front Anti-roll bar linkage fractured |2.4.G.1| | 3 |
| Nearside Rear Rear wheel bearing has excessive play |2.6.2| | 3 |
| Offside Front brake disc excessively pitted |3.5.1h| | 3 |
| Offside Headlamp aim beam image kick up to the offside |1.8| | 3 |
| Nearside Front Service brake excessively binding |1.2.1 |f|| | 3 |
| Main beam `tell-tale` not working |1.7.4c| | 3 |
| Offside Front Upper 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 |
| Nearside Rear Exhaust has a major leak of exhaust gases |7.1.2| | 3 |
| Nearside Exhaust has a major leak of exhaust gases |7.1.2| | 3 |
| Hazard warning switch faulty |1.4.B.1d| | 3 |
| Emissions not tested |7.3.A.1| | 3 |
| Offside Front Upper Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 3 |
| Nearside Outer Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 3 |
| Offside Body has a sharp edge caused by corrosion |6.1.C.1| | 3 |
| Offside Front Steering rack gaiter split |2.2.D.2d| | 3 |
| Offside Front coil spring fractured |2.4.C.1a| | 3 |
| Nearside Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 3 |
| Offside Headlamp insecure |1.7.3| | 3 |
| Nearside Front Suspension component mounting prescribed area is inadequately repaired |2.4.A.3| | 3 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 3 |
| Offside Front suspension ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 3 |
| Nearside Front Shock absorbers has a serious fluid leak | 3 |
| Indicator tell tale inoperative |1.4.A.2a| | 3 |
| Nearside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 3 |
| Rear fog lamp not working |4.5.1 |a| |ii|| | 3 |
| Nearside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 3 |
| Fuel hose leaking |7.2.3| | 3 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 3 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 3 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 3 |
| Offside Front Sub-frame corroded and seriously weakened |2.4.G.1| | 3 |
| Nearside Rear Braking system leaking |3.6.A.1| | 3 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 3 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 3 |
| Horn not working (7.7 (a) (ii)) | 3 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Exhaust emissions hydrocarbon content excessive (8.2.1.2 (b)) | 3 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 3 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 3 |
| Nearside Front Upper Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 3 |