| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 16 |
| Registration plate lamp issues | 13 |
| Rear parking brake recording little or no effort | 11 |
| Parking brake: efficiency below requirements |3.7.B.7| | 10 |
| Brakes imbalanced across an axle | 8 |
| Horn not working |1.6.2a| | 7 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 6 |
| Nearside Stop lamp not working |1.2.1b| | 6 |
| Offside Stop lamp not working |1.2.1b| | 6 |
| Windscreen wiper does not clear the windscreen effectively | 5 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 4 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 4 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 4 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 4 |
| Direction indicators not working |1.4.A.2c| | 4 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 4 |
| Service brake: efficiency below requirements |3.7.B.7| | 3 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 3 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 3 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 3 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 3 |
| Indicator switch insecure |1.4.A.1| | 2 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Offside Rear wheel bearing has excessive play |2.6.2| | 2 |
| Nearside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Nearside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| 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| | 2 |
| Front Windscreen wiper not operating automatically when switched on |8.2.1b| | 2 |
| Service brake is causing the vehicle to swerve to the offside |3.7.C.2| | 2 |
| Front brake application uneven | 2 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 2 |
| Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 2 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 2 |
| Rear brake binding | 2 |
| Parking brake lever has no reserve travel |3.1.6b| | 2 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 2 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 2 |
| Offside Rear Hazard warning lamps inoperative |1.4.B.1b| | 2 |
| Battery insecure |1.9.1| | 2 |
| Nearside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength chassis behind shocker |5.3.6 |a| |i|| | 1 |
| Offside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength suspension area |5.3.6 |a| |i|| | 1 |
| Front Suspension component mounting prescribed area excessively corroded significantly reducing structural strength floor |5.3.6 |a| |i|| | 1 |
| Offside Front Suspension component mounting prescribed area excessively corroded significantly reducing structural strength chassis |5.3.6 |a| |i|| | 1 |
| Rear Position lamp not working |4.2.1 |a|| | 1 |
| All direction indicators not working |4.4.1 |a| |ii|| | 1 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Windscreen wiper not operating over a large enough area to give an adequate view |8.2.1c| | 1 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Stop lamp not working |1.2.1b| | 1 |
| Hazard warning lamps inoperative |1.4.B.1b| | 1 |
| Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Lower Front passenger door hinge insecure |6.2.B.2| | 1 |
| Steering box has relative movement between sector shaft and the drop arm |2.2.B.1b| | 1 |
| Centre Track rod end loose |2.2.B.1d| | 1 |
| Nearside Rear Battery insecure |1.9.1| | 1 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Centre Front Steering arm has relative movement at its fixings |2.2.B.1h| | 1 |
| Offside Inner Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Registration plate issues | 1 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 1 |
| Brake hose damaged | 1 |
| Rear Direction indicators incorrect colour |1.4.A.2f| | 1 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 1 |
| Headlamp aim not tested |1.8.A.1c| | 1 |
| Brake hydraulic reservoir fluid level below minimum level |3.6.G.1b| | 1 |
| Hydraulic brake cylinder leaking hydraulic fluid |3.6.A.1| | 1 |
| Steering system excessively tight |2.2.D.1| | 1 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 1 |
| Nearside Front wheel cylinder leaking |3.6.A.1| | 1 |
| Service brake: efficiency below requirements |3.7.C.1a| | 1 |
| Main beam `tell-tale` not working |1.7.4c| | 1 |
| Nearside Front front brake binding |3.7.B.1| | 1 |
| Offside Front Brake hose twisted |found during steering lock to lock check| |2.2.D.2b| | 1 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Inner Drag link end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Drag link end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Steering system has excessive free play detected at the steering wheel |steering box fitted| |2.2.A.1a| | 1 |
| Ball joint has excessive play |2.2.B.1f| | 1 |
| Offside Inner Front Drag link end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 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 Lower Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 1 |
| 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| | 1 |
| Offside Drag link end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt Both ends |2.2.C.1c| | 1 |
| Drag link end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt Front to rear |2.2.C.1c| | 1 |
| Nearside front brakes release unevenly |3.7.B.4| | 1 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 1 |
| Nearside Front Front position lamp|s| incorrect colour |1.1.A.3e| | 1 |
| Offside Front Front position lamp|s| incorrect colour |1.1.A.3e| | 1 |
| Offside Rear Braking system leaking |3.6.A.1| | 1 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 1 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 1 |
| Nearside Steering system excessively rough |2.2.D.1| | 1 |
| Offside front brake juddering severely |3.7.A.2b| | 1 |
| Offside Rear Front constant velocity joint gaiter split |2.5.C.1a| | 1 |
| Nearside Front Lower Front suspension has excessive movement at a suspension ball joint |2.5.A.1c| | 1 |
| Offside Front Lower Front suspension has excessive movement at a suspension ball joint |2.5.A.1c| | 1 |
| Nearside Inner Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 1 |
| Offside Inner 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| | 1 |
| Nearside Front Upper Suspension arm ball joint dust cover insecure 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 Lower Suspension arm ball joint dust cover insecure so that it no longer prevents the ingress of dirt |2.4.G.2| | 1 |
| Centre Front Drag link end ball joint has excessive play |2.2.B.1f| | 1 |
| Centre Rear Drag link end ball joint has excessive play |2.2.B.1f| | 1 |
| Offside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 1 |
| Offside Front Shock absorber has an excessively worn bush |2.7.4| | 1 |
| Nearside Rear Suspension component mounting prescribed area is inadequately repaired |2.4.A.3| | 1 |
| Parking brake operation is causing the vehicle to swerve to the nearside |3.7.C.3a| | 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 Rear Hazard warning lamps inoperative |1.4.B.1b| | 1 |
| Offside Front Hazard warning lamps inoperative |1.4.B.1b| | 1 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Rear fog lamp missing |1.3.2a| | 1 |
| Brake pipe excessively chafed |3.6.B.2c| | 1 |
| Exhaust emissions carbon monoxide content excessive |7.3.B.1a| | 1 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 1 |
| Offside Front Direction indicators not working |1.4.A.2c| | 1 |
| Centre Front Ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Offside Front Valve stem seriously damaged |4.1.D.1e| | 1 |
| Nearside Front Valve stem seriously damaged |4.1.D.1e| | 1 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 1 |
| Nearside Headlamp not working on main beam |1.7.5a| | 1 |
| Obligatory mirror seriously obscured affecting the rear view rear view mirror |8.1.2a| | 1 |
| Offside Front Inner Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt boot split |2.2.C.1c| | 1 |
| Nearside Front Shock absorber has an excessively worn shock absorber pivot bottom bolt lose |2.7.4| | 1 |
| 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| | 1 |
| 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| | 1 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 1 |
| rear parking |secondary| brakes imbalanced | 1 |
| Offside Inner 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 Outer 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 Inner Ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Offside Outer Ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Dipswitch operation does not deflect all main beam headlamps to make them dipped beams |1.7.4b| | 1 |
| Rear Stop lamp not working |1.2.1b| | 1 |
| Rear Direction indicator incorrect colour |1.4.A.2f| | 1 |
| Centre Front Steering pivot point has excessive play |2.2.B.1g| | 1 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 1 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 1 |
| Offside Rear Stop lamp not working |1.2.1b| | 1 |
| Nearside Front Hydraulic brake cylinder leaking hydraulic fluid |3.6.A.1| | 1 |
| Brake performance not tested |3.7.A.1| | 1 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 1 |
| Offside Front Steering component mounting prescribed area is excessively corroded |2.2.C.1h| | 1 |
| Brake pipe excessively corroded | 1 |
| Rear brake application uneven | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 1 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 1 |
| Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 1 |
| Offside Front Seat belt insecurely fixed to the vehicles structure |5.2.1a| | 1 |
| Nearside Front Steering locking device missing |2.2.C.1g| | 1 |
| Offside Front Steering locking device missing |2.2.C.1g| | 1 |
| Front Drag link end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Offside Rear 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 Upper Trailing arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 1 |
| Offside Front Upper Trailing arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 1 |
| Steering system fouling |2.2.D.2a| | 1 |
| Centre Steering pivot point has excessive play |2.2.B.1g| | 1 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 1 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 1 |
| Offside Outer Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings sill |6.1.B.2| | 1 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Brake master cylinder/servo mounting prescribed area is excessively corroded |3.6.C.3| | 1 |
| Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Nearside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Nearside Rear Rear position lamp|s| incorrect colour |1.1.A.3e| | 1 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 1 |