| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 22 |
| Registration plate lamp issues | 21 |
| Windscreen wiper does not clear the windscreen effectively | 20 |
| Front brake disc in such a condition that it is seriously weakened | 13 |
| Offside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 8 |
| Registration plate issues | 6 |
| Rear brake binding | 6 |
| Brakes imbalanced across an axle | 5 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 5 |
| Nearside Stop lamp not working |1.2.1b| | 5 |
| Brake pipe excessively corroded | 4 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 4 |
| Centre Stop lamp not working |1.2.1b| | 4 |
| Rear Mechanical brake component has restricted free movement | 4 |
| Front brake application uneven | 4 |
| Nearside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 4 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 4 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 4 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 4 |
| Offside Front coil spring fractured |2.4.C.1a| | 3 |
| Nearside Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 3 |
| Offside Rear passenger door cannot be opened from outside the vehicle |6.2.B.1c| | 3 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 3 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 3 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 3 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 3 |
| Nearside Front coil spring incomplete |2.4.C.1a| | 3 |
| Hazard warning switch faulty |1.4.B.1d| | 3 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 3 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 3 |
| Brake hose excessively deteriorated | 3 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 2 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 2 |
| Offside Front Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 2 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 2 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 2 |
| Offside Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 2 |
| Offside Steering rack gaiter split |2.2.D.2d| | 2 |
| Nearside Front Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 2 |
| Nearside Front Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 2 |
| Offside Outer Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 2 |
| Battery insecure |1.9.1| | 2 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 2 |
| Centre Rear Stop lamp not working |1.2.1b| | 2 |
| Offside Front brake disc excessively pitted |3.5.1h| | 2 |
| Nearside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 2 |
| Offside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 2 |
| Offside Rear fog lamp not working |1.3.2b| | 2 |
| Nearside Headlamp not working on main beam |1.7.5a| | 2 |
| Nearside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 2 |
| Nearside Rear Rear wheel bearing rough when rotated |2.6.1| | 2 |
| Brake hose damaged | 2 |
| Offside front brake juddering severely |3.7.A.2b| | 2 |
| Offside Rear Rear wheel bearing rough when rotated |2.6.1| | 2 |
| Rear fog lamp not working |1.3.2b| | 2 |
| Rear brake disc in such a condition that it is seriously weakened | 2 |
| Front brake disc excessively pitted |3.5.1h| | 2 |
| Braking system leaking |3.6.A.1| | 1 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Rear Stop lamp not working |1.2.1b| | 1 |
| Rear Torsion bar deteriorated by corrosion so that its cross sectional area is reduced and seriously weakened cross brace |2.4.E.1b| | 1 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 1 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 1 |
| Nearside Outer Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 1 |
| Offside Stop lamp not working |1.2.1b| | 1 |
| Nearside Front Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 1 |
| Rear Tie bar/rod corroded and seriously weakened |2.4.G.1| | 1 |
| Exhaust emissions carbon monoxide content excessive |7.3.B.1a| | 1 |
| Nearside Rear Road wheel fixings not compatible |4.2.B.2| | 1 |
| Nearside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 1 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 1 |
| Nearside Rear Seat belt has a cut which has significantly weakened the webbing |5.2.2a| | 1 |
| Parking brake: efficiency below requirements |3.7.B.7| | 1 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 1 |
| Rear parking brake recording little or no effort | 1 |
| Brake hydraulic reservoir fluid level below minimum level |3.6.G.1b| | 1 |
| Offside Front suspension ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 1 |
| Rear Seat belt has a cut which has significantly weakened the webbing |5.2.2a| | 1 |
| Nearside Front Lower Suspension component ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Nearside Rear Shock absorbers has a serious fluid leak | 1 |
| Offside Outer Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 1 |
| Offside Front Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 1 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 1 |
| Nearside Front Front constant velocity joint is insecure |2.5.C.1b| | 1 |
| Service brake: efficiency below requirements |3.7.B.7| | 1 |
| Nearside Headlamp aim not tested |1.8.A.1c| | 1 |
| Offside Front 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 Front Front position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 1 |
| Nearside Rear Sub-frame rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Offside Rear Sub-frame rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Front Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Front Front constant velocity joint is insecure |2.5.C.1b| | 1 |
| Nearside Rear Shock absorber has negligible damping effect |2.7.5| | 1 |
| Nearside Outer Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 1 |
| Nearside Rear Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Nearside Rear Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Offside Front Steering arm has had excessive heat applied |2.2.C.1e| | 1 |
| Brake hose has insufficient room to move | 1 |
| Rear Exhaust has a major leak of exhaust gases rear silencer corroded and leaking gases. |7.1.2| | 1 |
| Rear Panhard rod corroded and seriously weakened |2.4.G.1| | 1 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Front Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 1 |
| Nearside Front constant velocity joint is excessively worn |2.5.C.1b| | 1 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Horn not loud enough to be heard by another road user |1.6.2b| | 1 |
| brake disc excessively scored |3.5.1h| | 1 |
| Nearside Front Ball joint has excessive play |2.2.B.1f| | 1 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 1 |
| Centre Exhaust system not adequately supported |7.1.1| | 1 |
| Nearside Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 1 |
| Offside Rear Rear position lamp|s| adversely affected by the operation of another lamp side light goes out when brake is applied |1.1.A.3f| | 1 |
| Anti-lock braking system warning lamp does not illuminate |3.4.1b| | 1 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Nearside Rear Direction indicator adversely affected by the operation of another lamp |1.4.A.2h| | 1 |
| Offside Rear Direction indicator adversely affected by the operation of another lamp |1.4.A.2h| | 1 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 1 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Nearside Headlamp insecure |1.7.3| | 1 |
| Offside Front Front position lamp|s| not working headlamp |1.1.A.3b| | 1 |
| Nearside Front 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 Front brake caliper securing device missing |3.5.1j| | 1 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 1 |
| Power steering malfunctioning |2.3.3a| | 1 |
| Front position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Headlamp not working on main beam |1.7.5a| | 1 |
| Headlamp aim not tested |1.8.A.1c| | 1 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Windscreen has a sticker or other obstruction encroaching by more than 10mm within zone `A` |8.3.1b| | 1 |
| Offside Front Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 1 |
| Shock absorber has an excessively worn bush |2.7.4| | 1 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 1 |
| Stop lamp not working |1.2.1b| | 1 |
| Nearside Outer Front Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 1 |
| Windscreen has damage | 1 |
| Nearside front brake juddering severely |3.7.A.2b| | 1 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Emissions not tested |7.0| | 1 |
| Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Rear Direction indicator incorrect colour |1.4.A.2f| | 1 |
| Rear Exhaust mounting missing |7.1.1b| | 1 |
| Offside Front coil spring broken |2.4.C.1a| | 1 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 1 |
| Nearside Front front brake binding |3.7.B.1| | 1 |
| Offside Front front brake binding |3.7.B.1| | 1 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 1 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 1 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 1 |
| Rear Suspension component mounting prescribed area is corroded to the extent that control of the vehicle is likely to be adversely affected |5.3.6 |a| |ii|| | 1 |
| Front Headlamp aim beam image obviously incorrect both |1.8.A.1b| | 1 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 1 |
| Nearside Rear Lower Shock absorber has an excessively worn bush |2.7.4| | 1 |
| Offside Rear Lower Shock absorber has an excessively worn bush |2.7.4| | 1 |