| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 87 |
| Windscreen wiper does not clear the windscreen effectively | 80 |
| Registration plate lamp issues | 50 |
| Parking brake: efficiency below requirements |3.7.B.7| | 41 |
| Brakes imbalanced across an axle | 27 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 20 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 17 |
| Horn not working |1.6.2a| | 16 |
| Rear brake binding | 16 |
| Nearside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 15 |
| Rear parking brake recording little or no effort | 15 |
| Nearside Stop lamp not working |1.2.1b| | 14 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 13 |
| Service brake: efficiency below requirements |3.7.B.7| | 12 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 12 |
| Offside Stop lamp not working |1.2.1b| | 11 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 10 |
| Rear brake application uneven | 10 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 10 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 9 |
| Brake load sensing valve seized |3.6.E.3| | 8 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 8 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 8 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 8 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 8 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 8 |
| Windscreen has damage | 8 |
| Offside Rear fog lamp not working |1.3.2b| | 7 |
| Rear Brake load sensing valve linkage seized |3.6.E.3| | 7 |
| Centre Stop lamp not working |1.2.1b| | 7 |
| Nearside Rear Stop lamp not working |1.2.1b| | 7 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 7 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 7 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 7 |
| Offside Headlamp insecure |1.7.3| | 7 |
| Offside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 7 |
| Brake pipe excessively corroded | 7 |
| Front brake application uneven | 6 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 6 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 6 |
| Parking brake lever has no reserve travel |3.1.6b| | 6 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 6 |
| Brake load sensing valve linkage seized |3.6.E.3| | 5 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 5 |
| Nearside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 5 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 5 |
| Seat belt retracting mechanism defective |5.2.5b| | 5 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 5 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 5 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 5 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 4 |
| Battery insecure |1.9.1| | 4 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 4 |
| Front brake disc in such a condition that it is seriously weakened | 4 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 4 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 4 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 4 |
| Offside Rear Body has a sharp edge caused by damage |6.1.C.1| | 4 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 4 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 4 |
| Rear Direction indicator incorrect colour |1.4.A.2f| | 4 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 4 |
| Front Direction indicator incorrect colour |1.4.A.2f| | 4 |
| Nearside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 4 |
| Nearside Rear Body has a sharp edge caused by damage |6.1.C.1| | 4 |
| Offside Front Shock absorbers has a serious fluid leak | 4 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 4 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 3 |
| Nearside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 3 |
| Nearside Front front brake binding |3.7.B.1| | 3 |
| Offside Rear Leaf spring has a deteriorated shackle pin rubber bush resulting in excessive movement |2.4.B.2| | 3 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 3 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 3 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 3 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| rear brake recording little or no effort |3.7.B.5a| | 3 |
| Stop lamp not working |1.2.1b| | 3 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 3 |
| Nearside Headlamp insecure |1.7.3| | 3 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 3 |
| Centre Rear Stop lamp not working |1.2.1b| | 3 |
| Emissions not tested |7.0| | 3 |
| Registration plate issues | 3 |
| Offside Front Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 3 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 3 |
| Exhaust engine idle speed too high |7.3.D.1| | 3 |
| All position lamps not working |1.1.A.3b| | 3 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 3 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 3 |
| Offside Obligatory mirror missing |8.1.1| | 3 |
| Nearside Rear Inner Suspension component mounting prescribed area excessively corroded significantly reducing structural strength sill (5.3.6 (a) (i)) | 3 |
| Offside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 3 |
| Offside Front Suspension component mounting prescribed area excessively corroded significantly reducing structural strength jacking point (5.3.6 (a) (i)) | 3 |
| Horn not working (7.7 (a)) | 3 |
| Brake hose damaged | 2 |
| Nearside Outer Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 2 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 2 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 2 |
| Front Exhaust system not adequately supported |7.1.1| | 2 |
| Rear Brake load sensing valve seized |3.6.E.3| | 2 |
| Brake pedal anti-slip provision worn smooth |3.3.A.1b| | 2 |
| Nearside Rear Suspension spring mounting prescribed area is excessively corroded inner sill |2.4.A.3| | 2 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 2 |
| Nearside Stop lamp emits other than a steady red light |1.2.1e| | 2 |
| Offside Front Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Brake hose has insufficient room to move | 2 |
| Nearside Rear Leaf spring has excessive wear in a shackle pin and/or bush |2.4.B.2| | 2 |
| Nearside Rear Leaf spring has a deteriorated shackle pin rubber bush resulting in excessive movement |2.4.B.2| | 2 |
| Offside Front Front wheel bearing rough when rotated |2.5.A.2| | 2 |
| Nearside Front front brake juddering severely |3.7.A.2b| | 2 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 2 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 2 |
| Nearside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Direction indicators incorrect colour |1.4.A.2f| | 2 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 2 |
| Nearside Side repeater insecure |1.4.A.2b| | 2 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 2 |
| Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 2 |
| Nearside Front Upper Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Offside Front Upper Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Offside Front front brake binding |3.7.B.1| | 2 |
| Rear brake disc in such a condition that it is seriously weakened | 2 |
| Nearside Rear Leaf spring cracked |2.4.B.1a| | 2 |
| Brake pivot has restricted free movement |3.5.1k| | 2 |
| Nearside Front Shock absorber has an excessively worn shock absorber pivot |2.7.4| | 2 |
| Nearside Front Seat belt locking mechanism does not secure or release |5.2.5a| | 2 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 2 |
| Offside Front Headlamp insecure |1.7.3| | 2 |
| Nearside Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 2 |
| Nearside Inner Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Offside Outer Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Nearside Front Macpherson strut has excessive movement in the upper support bearing assembly |2.5.B.1b| | 2 |
| Offside Stop lamp emits other than a steady red light |1.2.1e| | 2 |
| Offside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 2 |
| Offside Rear Rear position lamp|s| not working |1.1.A.3b| | 2 |
| Nearside Front Headlamp insecure |1.7.3| | 2 |
| Brake pedal anti-slip provision incomplete |3.3.A.1b| | 2 |
| Direction indicator incorrect colour |1.4.A.2f| | 2 |
| Nearside Rear All position lamps not working |1.1.A.3b| | 2 |
| Offside front brake binding |3.7.B.1| | 2 |
| Nearside Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Nearside Rear Rear position lamp|s| not working |1.1.A.3b| | 2 |
| Nearside front brake binding |3.7.B.1| | 2 |
| Rear Mechanical brake component has restricted free movement | 2 |
| Stop lamp emits other than a steady red light |1.2.1e| | 2 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 2 |
| Nearside Front Direction indicators incorrect colour |1.4.A.2f| | 2 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 2 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 2 |
| Offside Front Outer Seat belt anchorage prescribed area strength or continuity significantly reduced sill (7.1.1 (a) (i)) | 2 |
| Nearside Rear Integral body structure or chassis has excessive corrosion, seriously affecting its strength within 30cm of a body mounting (6.2.2 (d) (i)) | 2 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 2 |
| Offside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 2 |
| Nearside Front Suspension component mounting prescribed area excessively corroded significantly reducing structural strength jacking point (5.3.6 (a) (i)) | 2 |
| Nearside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength inner sill (5.3.6 (a) (i)) | 2 |
| Nearside Front Upper Suspension component mounting prescribed area excessively corroded significantly reducing structural strength wheel arch (5.3.6 (a) (i)) | 2 |