| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 309 |
| Registration plate lamp issues | 282 |
| Brake pipe excessively corroded | 186 |
| Parking brake: efficiency below requirements |3.7.B.7| | 153 |
| Windscreen wiper does not clear the windscreen effectively | 149 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 119 |
| Rear parking brake recording little or no effort | 104 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 91 |
| Registration plate issues | 77 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 71 |
| Nearside Stop lamp not working |1.2.1b| | 69 |
| Brakes imbalanced across an axle | 55 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 52 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 52 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 47 |
| Centre Stop lamp not working |1.2.1b| | 45 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 45 |
| Parking brake lever has no reserve travel |3.1.6b| | 44 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 39 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 39 |
| Offside Stop lamp not working |1.2.1b| | 39 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 37 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 35 |
| Nearside Rear Stop lamp not working |1.2.1b| | 34 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 33 |
| Rear brake binding | 31 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 29 |
| Service brake: efficiency below requirements |3.7.B.7| | 28 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 26 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 23 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 22 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 22 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 21 |
| Power steering component|s| leaking |2.3.3b| | 20 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 20 |
| Front passenger door cannot be opened from inside the vehicle |6.2.B.1b| | 20 |
| Windscreen has damage | 19 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 19 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 19 |
| Emissions not tested |7.0| | 18 |
| Offside Front coil spring fractured |2.4.C.1a| | 18 |
| Front brake application uneven | 17 |
| Front brake disc in such a condition that it is seriously weakened | 17 |
| Front passenger door cannot be opened from outside the vehicle |6.2.B.1b| | 17 |
| Offside Rear Stop lamp not working |1.2.1b| | 17 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 17 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 16 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 16 |
| Rear brake application uneven | 16 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 15 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 15 |
| Anti-lock braking system warning lamp indicates an ABS fault | 15 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 14 |
| Centre Rear Stop lamp not working |1.2.1b| | 13 |
| Stop lamp not working |1.2.1b| | 13 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 13 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 13 |
| Windscreen wiper blade insecure | 13 |
| Offside Rear fog lamp not working |1.3.2b| | 13 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 12 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 12 |
| Parking brake lever ratchet mechanism is excessively worn |3.1.5| | 12 |
| Offside Front coil spring incomplete |2.4.C.1a| | 12 |
| Driver`s door cannot be opened from inside the vehicle |6.2.B.1b| | 12 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 12 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 11 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 11 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 11 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 11 |
| Nearside Front coil spring fractured |2.4.C.1a| | 10 |
| Nearside Front coil spring incomplete |2.4.C.1a| | 10 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 10 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 10 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 9 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 9 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 9 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 9 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 8 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 8 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 8 |
| Front Exhaust system not adequately supported |7.1.1| | 8 |
| Upper Stop lamp not working |1.2.1b| | 8 |
| Rear brake disc in such a condition that it is seriously weakened | 8 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 8 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 7 |
| Nearside Front passenger door cannot be opened from outside the vehicle |6.2.B.1b| | 7 |
| Offside Rear Braking system leaking |3.6.A.1| | 7 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 7 |
| Offside Steering rack gaiter split |2.2.D.2d| | 7 |
| Nearside Headlamp aim not tested |1.8.A.1c| | 7 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 7 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 7 |
| Brake pedal anti-slip provision incomplete |3.3.A.1b| | 7 |
| Offside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 7 |
| Battery insecure |1.9.1| | 7 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 7 |
| Driver`s door cannot be opened from outside the vehicle |6.2.B.1b| | 6 |
| Nearside Front passenger door cannot be opened from inside the vehicle |6.2.B.1b| | 6 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 6 |
| Exhaust system not adequately supported |7.1.1| | 6 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 6 |
| Parking brake lever defective so that it cannot be satisfactorily operated |3.1.3c| | 6 |
| Fuel tank leaking |7.2.3| | 6 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 6 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 6 |
| Nearside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 6 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 6 |
| Nearside Front Shock absorber has negligible damping effect |2.7.5| | 6 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 6 |
| Nearside Front position lamp|s| not in good working order |function impaired| |1.1.4a| | 5 |
| Nearside Steering rack gaiter insecure |2.2.D.2d| | 5 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 5 |
| Offside Front Steering rack gaiter split |2.2.D.2d| | 5 |
| Nearside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 5 |
| Offside Front Front wheel bearing rough when rotated |2.5.A.2| | 5 |
| Parking brake lever releases when knocked |3.1.6a| | 5 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 5 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 5 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 5 |
| rear brake recording little or no effort |3.7.B.5a| | 5 |
| Offside Rear brake caliper leaking |3.6.A.1| | 5 |
| Rear Mechanical brake component has restricted free movement | 5 |
| Offside Front position lamp|s| not in good working order |function impaired| |1.1.4a| | 5 |
| Offside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 5 |
| Centre Exhaust system not adequately supported |7.1.1| | 5 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 5 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 5 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 5 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 5 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 4 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 4 |
| Front constant velocity joint gaiter split |2.5.C.1a| | 4 |
| Offside front brake binding |3.7.B.1| | 4 |
| Nearside Front Direction indicators incorrect colour |1.4.A.2f| | 4 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 4 |
| Nearside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 4 |
| Offside Front Suspension arm corroded and seriously weakened |2.4.G.1| | 4 |
| Headlamp not in good working order adversely affecting beam image |1.2.4a| | 4 |
| Stop lamp remains on when the brakes are released | 4 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 4 |
| Rear brake disc excessively pitted |3.5.1h| | 4 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 4 |
| Offside Rear brake caliper has restricted free movement |3.5.1k| | 4 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 4 |
| Nearside Power steering ram|s| leaking from a failed component |2.3.3b| | 4 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 4 |
| Nearside Front Front passenger door cannot be opened from inside the vehicle |6.2.B.1b| | 4 |
| Nearside Front Front passenger door cannot be opened from outside the vehicle |6.2.B.1b| | 4 |
| Front Windscreen wiper blade deteriorated |8.2.2| | 4 |
| Offside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 4 |
| Nearside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 4 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 4 |
| Offside Headlamp aim not tested |1.8.A.1c| | 4 |
| Horn not working |1.6.2a| | 4 |