| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 13 |
| Exhaust emissions carbon monoxide content excessive |7.3.B.1a| | 11 |
| Exhaust emissions hydrocarbon content excessive |7.3.B.1b| | 9 |
| Headlamp aim out of alignment | 9 |
| Parking brake: efficiency below requirements |3.7.B.7| | 6 |
| Horn not working |1.6.2a| | 5 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 4 |
| Nearside Stop lamp not working |1.2.1b| | 4 |
| Rear brake binding | 4 |
| Offside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 3 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 3 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 3 |
| Nearside Headlamp not working on main beam |1.7.5a| | 3 |
| Brake pipe excessively corroded | 3 |
| Offside front brake binding |3.7.B.1| | 3 |
| Offside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Brakes imbalanced across an axle | 3 |
| Nearside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Service brake: efficiency below requirements |3.7.B.7| | 2 |
| Offside Stop lamp not working |1.2.1b| | 2 |
| Offside Front Direction indicator not working |1.4.A.2c| | 2 |
| Nearside Front Seat belt locking mechanism does not secure or release |5.2.5a| | 2 |
| Brake master cylinder/servo mounting prescribed area is excessively corroded |3.6.C.3| | 2 |
| Rear Mechanical brake component has restricted free movement | 2 |
| Nearside Front Track rod end loose |2.2.B.1d| | 2 |
| Offside Front Track rod end loose |2.2.B.1d| | 2 |
| Nearside Front Brake pipe fouled by moving parts |3.6.B.2a| | 2 |
| Offside Front Brake pipe fouled by moving parts |3.6.B.2a| | 2 |
| Front brake application uneven | 2 |
| Registration plate issues | 2 |
| Nearside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Offside Side repeater not working |1.4.A.2c| | 1 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 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 |
| Nearside 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 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Front Horn not working |1.6.2a| | 1 |
| Offside Front Statutory seat belt missing |5.1.1| | 1 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 1 |
| Offside Headlamp not working on main beam |1.7.5a| | 1 |
| Hazard warning lamps inoperative |1.4.B.1b| | 1 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 1 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 1 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 1 |
| Battery insecure |1.9.1| | 1 |
| Offside Front Seat belt locking mechanism does not secure or release |5.2.5a| | 1 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Offside Outer 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 |
| Nearside Outer 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 |
| Parking brake lever has no reserve travel |3.1.6b| | 1 |
| Offside Front front brake binding |3.7.B.1| | 1 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 1 |
| Nearside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Rear Rear wheel bearing rough when rotated |2.6.1| | 1 |
| Offside Rear Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Front Seat belt damaged sufficient to obstruct correct operation of the belt |5.2.2a| | 1 |
| Offside Front Upper Vehicle structure is cracked, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Front Upper Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Nearside Front Tie bar/rod rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Offside Front Tie bar/rod rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Nearside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Offside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 1 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 1 |
| Nearside front brake binding |3.7.B.1| | 1 |
| Nearside Headlamp has a product on the light source so that the light output is severely reduced |1.7.5a| | 1 |
| Nearside Front Ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Offside Front Ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| 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| | 1 |
| 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| | 1 |
| Fuel tank leaking |7.2.3| | 1 |
| Offside Indicator tell tale inoperative |1.4.A.2a| | 1 |
| Fuel system component leaking |7.2.3| | 1 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 1 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 1 |
| Upper Windscreen has a sticker or other obstruction encroaching by more than 10mm within zone `A` |8.3.1b| | 1 |
| Fuel system component insecure |7.2.1| | 1 |
| Windscreen has a sticker or other obstruction encroaching by more than 10mm within zone `A` |8.3.1b| | 1 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 1 |
| Offside Obligatory mirror insecure |8.1.1| | 1 |
| Nearside Seat belt insecurely fixed to the vehicles structure |5.2.1a| | 1 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 1 |
| Front position lamp|s| not working |1.1.A.3b| | 1 |
| Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Emissions not tested |7.0| | 1 |
| Nearside Direction indicators not working |1.4.A.2c| | 1 |
| Nearside Rear Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 1 |
| Offside Front Braking system leaking |3.6.A.1| | 1 |
| Nearside Front Brake pipe inadequately clipped |3.6.B.1| | 1 |
| Outer Front Front suspension locking device missing |2.5.A.4| | 1 |
| Offside Outer Front Front suspension locking device missing |2.5.A.4| | 1 |
| Nearside Front Front suspension locking device missing |2.5.A.4| | 1 |
| Offside Front Front suspension locking device missing |2.5.A.4| | 1 |
| Upper Steering column shaft locking device missing |2.1.6| | 1 |
| Lower Steering column shaft locking device missing |2.1.6| | 1 |
| Nearside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Offside Seat belt retracting mechanism defective |5.2.5b| | 1 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 1 |
| Outer Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 1 |
| Brake hydraulic reservoir fluid level below minimum level |3.6.G.1b| | 1 |
| Brake hydraulic reservoir leaking hydraulic fluid |3.6.A.1| | 1 |
| Nearside Front Side repeater not working |1.4.A.2c| | 1 |
| Offside Headlamp adversely affected by the operation of another lamp |1.7.5c| | 1 |
| Exhaust emissions carbon monoxide content excessive (8.2.1.2 (b)) | 1 |
| Exhaust emissions hydrocarbon content excessive (8.2.1.2 (b)) | 1 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 1 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 1 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 1 |
| Offside Front Brake master cylinder/servo mounting prescribed area is excessively corroded |3.6.C.3| | 1 |
| Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Nearside Front Lower Front suspension has a suspension lower ball joint securing nut loose |2.5.B.1a| | 1 |
| Brake servo leaking |3.6.C.1c| | 1 |
| Nearside Track rod end loose |2.2.B.1d| | 1 |
| Offside front brake juddering severely |3.7.A.2b| | 1 |
| Nearside Headlamp excessively damaged so that the light output is severely reduced |1.7.5a| | 1 |
| Offside Headlamp excessively damaged so that the light output is severely reduced |1.7.5a| | 1 |
| Nearside Front Lower Seat belt anchorage prescribed area is inadequately repaired |5.2.6| | 1 |
| Offside Rear Lower Seat belt anchorage prescribed area is inadequately repaired |5.2.6| | 1 |
| Nearside Rear Suspension component mounting prescribed area is inadequately repaired |2.4.A.3| | 1 |
| Nearside Front Suspension component mounting prescribed area is inadequately repaired |2.4.A.3| | 1 |
| Offside Front Suspension component mounting prescribed area is inadequately repaired |2.4.A.3| | 1 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Rear parking brake recording little or no effort | 1 |
| Exhaust emissions carbon monoxide content excessive 5.311 |7.3.B.1a| | 1 |
| Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 1 |
| Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |