| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 837 |
| Registration plate lamp issues | 825 |
| Headlamp aim out of alignment | 771 |
| Brakes imbalanced across an axle | 266 |
| Brake pipe excessively corroded | 254 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 209 |
| Brake load sensing valve linkage seized |3.6.E.3| | 185 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 179 |
| Brake hose excessively deteriorated | 169 |
| Registration plate issues | 166 |
| Horn not working |1.6.2a| | 159 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 156 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 152 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 151 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 148 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 145 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 140 |
| Nearside Stop lamp not working |1.2.1b| | 134 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 130 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 128 |
| Offside Stop lamp not working |1.2.1b| | 123 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 122 |
| Offside Headlamp insecure |1.7.3| | 114 |
| Front brake disc in such a condition that it is seriously weakened | 114 |
| Parking brake: efficiency below requirements |3.7.B.7| | 110 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 104 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 101 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 99 |
| Rear brake application uneven | 97 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 97 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 96 |
| Nearside Headlamp insecure |1.7.3| | 96 |
| Windscreen has damage | 96 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 95 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 93 |
| Rear Brake load sensing valve linkage seized |3.6.E.3| | 92 |
| Service brake: efficiency below requirements |3.7.B.7| | 91 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 90 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 88 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 85 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 83 |
| Rear parking brake recording little or no effort | 82 |
| Windscreen wiper blade insecure | 75 |
| Offside Rear fog lamp not working |1.3.2b| | 74 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 71 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 70 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 70 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 65 |
| Nearside Rear Stop lamp not working |1.2.1b| | 64 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 59 |
| Emissions not tested |7.0| | 57 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 52 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 51 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 50 |
| Front Anti-roll bar missing |2.4.G.1| | 47 |
| Rear brake binding | 47 |
| Nearside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 47 |
| Exhaust emits an excessive level of metered smoke for a non-turbo charged engine |7.4.B.3b| | 45 |
| Offside Front Headlamp insecure |1.7.3| | 45 |
| Parking brake lever has no reserve travel |3.1.6b| | 44 |
| Offside Rear Stop lamp not working |1.2.1b| | 43 |
| Offside front brake binding |3.7.B.1| | 42 |
| Front brake application uneven | 40 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 39 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 38 |
| Offside Steering rack gaiter split |2.2.D.2d| | 38 |
| Offside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 37 |
| Nearside Front Headlamp insecure |1.7.3| | 36 |
| Nearside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 35 |
| Brake pedal creeps down when held under pressure |3.3.B.1a| | 34 |
| Brake load sensing valve seized |3.6.E.3| | 34 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 33 |
| Rear Exhaust system not adequately supported |7.1.1| | 32 |
| Indicator switch faulty |1.4.A.1| | 32 |
| Parking brake lever ratchet mechanism is broken |3.1.5| | 31 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 30 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 30 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 30 |
| Centre Statutory seat belt missing |5.1.1| | 29 |
| Rear Exhaust has a part missing |7.1.1a| | 29 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 29 |
| Offside Front Direction indicators incorrect colour |1.4.A.2f| | 28 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 27 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 27 |
| Nearside front brake binding |3.7.B.1| | 27 |
| Offside Front Ball joint has excessive play |2.2.B.1f| | 27 |
| Fuel system component leaking |7.2.3| | 26 |
| Offside Front Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 26 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 26 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 26 |
| Exhaust has a part missing |7.1.1a| | 26 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 25 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 25 |
| Nearside Side repeater not working |1.4.A.2c| | 25 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 25 |
| Nearside Front Steering rack gaiter split |2.2.D.2d| | 25 |
| Offside Front Steering rack gaiter split |2.2.D.2d| | 24 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 24 |
| Nearside Front front brake binding |3.7.B.1| | 23 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 23 |
| Offside Front Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 22 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 22 |
| Offside Front front brake binding |3.7.B.1| | 21 |
| Spare wheel carrier insecure |6.4.2| | 21 |
| Front Direction indicator incorrect colour |1.4.A.2f| | 21 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 21 |
| Nearside Front Ball joint has excessive play |2.2.B.1f| | 21 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 21 |
| Nearside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 20 |
| Brake pedal spongy |3.3.B.1b| | 20 |
| Nearside Front Direction indicators incorrect colour |1.4.A.2f| | 20 |
| Battery insecure |1.9.1| | 19 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 18 |
| Exhaust system not adequately supported |7.1.1| | 18 |
| Brake pedal creeps down while the pedal is held under pressure |3.3.B.1a| | 17 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 17 |
| Parking brake lever defective so that it cannot be satisfactorily operated |3.1.3c| | 17 |
| Offside Front Lower Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 17 |
| Brake valve leaking |3.6.A.1| | 16 |
| Centre Front Statutory seat belt missing |5.1.1| | 16 |
| Offside Obligatory mirror insecure |8.1.1| | 16 |
| Offside Front Seat belt damaged sufficient to obstruct correct operation of the belt |5.2.2a| | 16 |
| 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| | 16 |
| Nearside Suspension arm has excessive play in a ball joint |2.4.G.2| | 16 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 16 |
| Offside Front Sub-frame corroded and seriously weakened |2.4.G.1| | 15 |
| Power steering component|s| leaking |2.3.3b| | 15 |
| Exhaust tailpipe not capable of allowing the emission probe to be inserted |7.4.B.1| | 15 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 15 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 15 |
| Nearside Front Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 15 |
| Offside Side repeater not working |1.4.A.2c| | 15 |
| Brake hose damaged | 14 |
| Mechanical brake component has restricted free movement | 14 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 14 |
| 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| | 14 |
| 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| | 14 |
| Offside Front Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 14 |
| Rear fog lamp not working |1.3.2b| | 14 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 13 |
| Front Sub-frame corroded and seriously weakened |2.4.G.1| | 13 |
| Front Exhaust has part of the system excessively deteriorated |7.1.1a| | 13 |
| Nearside Rear Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 13 |
| Nearside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 13 |
| Offside Front brake disc excessively pitted |3.5.1h| | 13 |
| Nearside Front Sub-frame corroded and seriously weakened |2.4.G.1| | 13 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 13 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 13 |
| Power steering pipe|s| or hose|s| leaking |2.3.3b| | 13 |
| Nearside Front Lower Ball joint has excessive play |2.2.B.1f| | 13 |
| Offside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 13 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 12 |
| Nearside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 12 |
| Hazard warning switch faulty |1.4.B.1d| | 12 |
| Nearside Rear Body has a sharp edge caused by damage |6.1.C.1| | 12 |
| Direction indicator incorrect colour |1.4.A.2f| | 12 |
| 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| | 12 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 12 |
| Nearside Rear position lamp|s| incorrect colour |1.1.A.3e| | 12 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 12 |
| Driver`s seat insecure |6.2.A.1| | 12 |
| 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| | 12 |