| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 8 |
| Windscreen wiper does not clear the windscreen effectively | 5 |
| Brakes imbalanced across an axle | 4 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 4 |
| Brake pipe excessively corroded | 4 |
| Registration plate issues | 4 |
| Horn not working |1.6.2a| | 3 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 3 |
| Steering box has relative movement between sector shaft and the drop arm |2.2.B.1b| | 3 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 2 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 2 |
| Parking brake: efficiency below requirements |3.7.B.7| | 2 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 2 |
| Nearside Outer Seat belt anchorage prescribed area is excessively corroded sill |5.2.6| | 2 |
| Nearside Stop lamp not working |1.2.1b| | 2 |
| Offside Front Statutory seat belt of the wrong type. |5.1.1| | 2 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 2 |
| Nearside Front Statutory seat belt of the wrong type. |5.1.1| | 2 |
| Offside Rear Service brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 1 |
| Offside Headlamp not working on main beam |1.7.5a| | 1 |
| Offside Upper Front suspension ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 1 |
| Nearside Lower Front suspension ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 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 |
| Nearside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Fuel pipe leaking excessively or a risk of fire |6.1.3 |b| |ii|| | 1 |
| Exhaust emissions hydrocarbon content excessive |8.2.1.2 |b|| | 1 |
| Offside Front Floor excessively deteriorated |6.2.4 |a| |i|| | 1 |
| Dipswitch operation does not deflect all main beam headlamps to make them dipped beams |1.7.4b| | 1 |
| Nearside Rear Service brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Body has a projection caused by damage |6.1.C.1| | 1 |
| Brake pedal has insufficient reserve movement |3.3.A.5| | 1 |
| Indicator tell tale inoperative |1.4.A.2a| | 1 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 1 |
| Nearside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Nearside Rear Shock absorber has an excessively worn bush |2.7.4| | 1 |
| Offside Rear Shock absorber has an excessively worn bush |2.7.4| | 1 |
| Nearside Front Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 1 |
| Offside Front 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 wheel bearing rough when rotated |2.5.A.2| | 1 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 1 |
| Nearside Inner Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Offside Rear wheel bearing has excessive play |2.6.2| | 1 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Offside front brake recording little or no effort |3.7.B.5a| | 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 |
| Service brake: efficiency below requirements |3.7.B.7| | 1 |
| Front All position lamps not working |1.1.A.3b| | 1 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Outer 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 Inner 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 Headlamp not working on main beam |1.7.5a| | 1 |
| Offside Front Direction indicator not working |1.4.A.2c| | 1 |
| Steering column top bearing excessively worn |2.1.2c| | 1 |
| Nearside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Offside Stop lamp not working |1.2.1b| | 1 |
| Offside Inner Seat belt anchorage prescribed area is excessively corroded sill |5.2.6| | 1 |
| Nearside Rear Inner Suspension component mounting prescribed area is excessively corroded wheel arch |2.4.A.3| | 1 |
| Offside Rear Inner Suspension component mounting prescribed area is excessively corroded sill |2.4.A.3| | 1 |
| Offside Rear Outer Suspension component mounting prescribed area is excessively corroded sill |2.4.A.3| | 1 |
| Offside Front Suspension component mounting prescribed area is excessively corroded floor/chassis |2.4.A.3| | 1 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded floor/chassis |2.4.A.3| | 1 |
| Offside Front Upper Suspension arm has excessive play in a pin/bearing arm |2.4.G.2| | 1 |
| Offside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Headlamp not working on dipped beam |1.7.5a| | 1 |
| Headlamp not working on main beam |1.7.5a| | 1 |
| Stop lamp not working |1.2.1b| | 1 |
| Hazard warning switch faulty |1.4.B.1d| | 1 |
| 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| | 1 |
| Nearside Front Body has a sharp edge caused by corrosion wing |6.1.C.1| | 1 |
| Nearside Front Inner Suspension component mounting prescribed area is excessively corroded wheel arch |2.4.A.3| | 1 |
| Offside Front Suspension component mounting prescribed area is excessively corroded floor |2.4.A.3| | 1 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded floor/chassis |2.4.A.3| | 1 |
| Offside Front Lower Front suspension ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 1 |
| Horn not loud enough to be heard by another road user |1.6.2b| | 1 |
| Offside Front Upper Radius 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 Radius arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 1 |
| Offside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Nearside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Nearside Front Front wheel bearing rough when rotated |2.5.A.2| | 1 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Offside Inner Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Offside Inner Rear Suspension component mounting prescribed area is inadequately repaired |2.4.A.3| | 1 |