| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 27 |
| Windscreen wiper does not clear the windscreen effectively | 26 |
| Registration plate lamp issues | 22 |
| Brake pipe excessively corroded | 22 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 13 |
| Service brake: efficiency below requirements |3.7.B.7| | 12 |
| Parking brake: efficiency below requirements |3.7.B.7| | 11 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 10 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 9 |
| Horn not working |1.6.2a| | 9 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 8 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 7 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 6 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 5 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 5 |
| Rear parking brake recording little or no effort | 5 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 5 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 4 |
| Nearside Rear Stop lamp not working |1.2.1b| | 4 |
| Brakes imbalanced across an axle | 4 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 4 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 4 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 4 |
| Rear Exhaust system not adequately supported |7.1.1| | 4 |
| Parking brake lever has no reserve travel |3.1.6b| | 4 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 4 |
| Centre Stop lamp not working |1.2.1b| | 4 |
| Nearside Front Wheel nut|s| missing |4.2.A.1e| | 3 |
| Offside Rear Wheel nut|s| missing |4.2.A.1e| | 3 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 3 |
| Front brake disc in such a condition that it is seriously weakened | 3 |
| Nearside Stop lamp not working |1.2.1b| | 3 |
| Nearside Rear Wheel nut|s| missing |4.2.A.1e| | 2 |
| Nearside Front brake disc excessively scored |3.5.1h| | 2 |
| Offside Front brake disc excessively scored |3.5.1h| | 2 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 2 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 2 |
| Centre Rear Exhaust has a major leak of exhaust gases |7.1.2| | 2 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 2 |
| Stop lamp remains on when the brakes are released | 2 |
| Nearside Side repeater not working |1.4.A.2c| | 2 |
| Offside Stop lamp not working |1.2.1b| | 2 |
| Nearside Ball joint has excessive play |2.2.B.1f| | 2 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 2 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 2 |
| Offside Side repeater not working |1.4.A.2c| | 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 Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 2 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 2 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 2 |
| Offside Steering arm has relative movement at its fixings |2.2.B.1h| | 2 |
| Front position lamp|s| not working |1.1.A.3b| | 2 |
| 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 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 1 |
| Battery insecure |1.9.1| | 1 |
| Stop lamp not working |1.2.1b| | 1 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 1 |
| Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 1 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 1 |
| Rear brake binding | 1 |
| Nearside Front Front position lamp|s| not in good working order |function impaired| |1.1.4a| | 1 |
| rear brake recording little or no effort |3.7.B.5a| | 1 |
| Offside Rear Stop lamp not working |1.2.1b| | 1 |
| Offside Front Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 1 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 1 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 1 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 1 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 1 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 1 |
| Nearside Front Direction indicators incorrect colour |1.4.A.2f| | 1 |
| Offside Front Direction indicators incorrect colour |1.4.A.2f| | 1 |
| Rear Seat belt affected by a damaged seat frame |5.2.1b| | 1 |
| Rear Brake pipe inadequately supported |3.6.B.1| | 1 |
| Offside Headlamp not working on main beam |1.7.5a| | 1 |
| Nearside Front Anti-roll bar linkage ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 1 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 1 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 1 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 1 |
| Offside Front Anti-roll bar attachment bracket/mounting insecure |2.4.G.1| | 1 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 1 |
| Offside Front Front position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Rear Body has a sharp edge caused by damage |6.1.C.1| | 1 |
| Centre Rear Seat belt damaged sufficient to significantly weakened the webbing |5.2.2a| | 1 |
| Nearside Rear Seat belt locking mechanism does not secure or release |5.2.5a| | 1 |
| Outer Rear Stop lamp not working |1.2.1b| | 1 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Windscreen has damage | 1 |
| Offside Front Obligatory mirror insecure |8.1.1| | 1 |
| Nearside Rear Seat belt retracting mechanism defective |5.2.5b| | 1 |
| Front Front position lamp|s| not working |1.1.A.3b| | 1 |
| Front Anti-roll bar linkage ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 1 |
| Brake pedal creeps down while the pedal is held under pressure |3.3.B.1a| | 1 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |3.3 |b| |ii|| | 1 |
| Nearside Parking brake inoperative on one side |1.4.1 |a|| | 1 |
| Nearside Rear Service brake excessively binding |1.2.1 |f|| | 1 |
| Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt |5.3.4 |b| |ii|| | 1 |
| Nearside Front Road wheel more than one fixing missing |5.2.1 |a| |ii|| | 1 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 1 |
| Brake pedal creeps down when held under pressure |3.3.B.1a| | 1 |
| Nearside Headlamp has a product on the lens so that the light output is severely reduced |1.7.5a| | 1 |
| Offside Headlamp adversely affected by the operation of another lamp |1.7.5c| | 1 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Nearside Front Stop lamp(s) all not working (4.3.1 (a) (iii)) | 1 |
| Nearside Headlamp not working on main beam |1.7.5a| | 1 |
| Centre Rear Stop lamp not working |1.2.1b| | 1 |
| Brake pedal spongy |3.3.B.1b| | 1 |
| Windscreen wiper not operating automatically when switched on |8.2.1b| | 1 |
| Nearside Track rod end ball pin shank loose |2.2.B.1c| | 1 |
| Offside Track rod end ball pin shank loose |2.2.B.1c| | 1 |
| Nearside 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 |
| Centre Exhaust has part of the system excessively deteriorated |7.1.1a| | 1 |
| Nearside Headlamp insecure |1.7.3| | 1 |
| Brake performance not tested |3.7.A.1| | 1 |
| Rear brake application uneven | 1 |
| Nearside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 1 |
| Offside Front Anti-roll bar linkage fractured |2.4.G.1| | 1 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Nearside Rear Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 1 |
| Offside Rear Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 1 |
| Centre Rear Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 1 |
| Front Power steering inoperative |2.3.3a| | 1 |
| Nearside Outer Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Outer Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Front Anti-roll bar linkage insecure |2.4.G.1| | 1 |
| Power steering malfunctioning |2.3.3a| | 1 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Nearside Rear Suspension spring mounting prescribed area is excessively corroded outer sill |2.4.A.3| | 1 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 1 |
| Front brake excessively fluctuating | 1 |
| Nearside Front All position lamps not working |1.1.A.3b| | 1 |
| Nearside Front Tie bar/rod has excessive play in a ball joint |2.4.G.2| | 1 |
| Nearside Front Side repeater not working |1.4.A.2c| | 1 |
| Centre Exhaust system not adequately supported |7.1.1| | 1 |
| Exhaust system not adequately supported |7.1.1| | 1 |
| Offside Front Seat belt damaged sufficient to obstruct correct operation of the belt |5.2.2a| | 1 |