| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 842 |
| Registration plate lamp issues | 604 |
| Windscreen wiper does not clear the windscreen effectively | 498 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 364 |
| Parking brake: efficiency below requirements |3.7.B.7| | 338 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 320 |
| Nearside Front Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 245 |
| Offside Front Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 227 |
| Rear parking brake recording little or no effort | 199 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 160 |
| Brake pipe excessively corroded | 150 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 130 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 127 |
| Registration plate issues | 126 |
| Brakes imbalanced across an axle | 124 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 107 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 106 |
| Nearside Stop lamp not working |1.2.1b| | 102 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 96 |
| Centre Exhaust system not adequately supported |7.1.1| | 91 |
| Front brake disc in such a condition that it is seriously weakened | 91 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 90 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 85 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 84 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 80 |
| Anti-lock braking system warning lamp indicates an ABS fault | 75 |
| Offside Stop lamp not working |1.2.1b| | 73 |
| Nearside Front Upper Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 70 |
| Exhaust system not adequately supported |7.1.1| | 70 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 67 |
| Offside Front Upper Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 67 |
| Nearside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 60 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 59 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 56 |
| Nearside Headlamp not working on main beam |1.7.5a| | 53 |
| Windscreen has damage | 53 |
| Nearside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 50 |
| Rear brake binding | 49 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 48 |
| Rear Exhaust system not adequately supported |7.1.1| | 47 |
| Parking brake lever has no reserve travel |3.1.6b| | 46 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 45 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 45 |
| 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| | 44 |
| Nearside Inner Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 44 |
| Rear brake disc in such a condition that it is seriously weakened | 42 |
| Nearside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 42 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 41 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 40 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 39 |
| Offside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 39 |
| Nearside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 37 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 37 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 37 |
| Offside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 36 |
| 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| | 35 |
| Service brake: efficiency below requirements |3.7.B.7| | 34 |
| Nearside Rear Stop lamp not working |1.2.1b| | 34 |
| Horn not working |1.6.2a| | 34 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 34 |
| Brake hose excessively deteriorated | 34 |
| Offside Rear Stop lamp not working |1.2.1b| | 33 |
| Offside Inner Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 33 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 33 |
| Offside Inner Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 33 |
| Nearside Inner Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 33 |
| Nearside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 33 |
| Offside Rear fog lamp not working |1.3.2b| | 32 |
| Nearside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 32 |
| Offside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 31 |
| Battery insecure |1.9.1| | 30 |
| 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| | 30 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 28 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 28 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 26 |
| Offside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 26 |
| Front brake application uneven | 26 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 25 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 25 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 24 |
| 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| | 24 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 24 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 24 |
| Offside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 23 |
| Offside Headlamp not working on main beam |1.7.5a| | 22 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 22 |
| Nearside Front Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 22 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 22 |
| Front position lamp|s| not working |1.1.A.3b| | 22 |
| Offside Outer Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 22 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 22 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 21 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 21 |
| Fuel system component leaking |7.2.3| | 21 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 21 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 21 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 20 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 20 |
| Rear Mechanical brake component has restricted free movement | 20 |
| Offside Front Brake pipe leaking |3.6.A.1| | 19 |
| Nearside Rear Suspension arm has excessive play in a pin/bush |2.4.G.2| | 19 |
| Rear Brake cable insecure | 19 |
| Nearside Outer Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 19 |
| Offside Rear Suspension arm has excessive play in a pin/bush |2.4.G.2| | 18 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 18 |
| Emissions not tested |7.0| | 17 |
| Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 17 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 17 |
| Rear fog lamp not working |1.3.2b| | 17 |
| Offside Brake cable has wires broken and is significantly weakened |3.5.1b| | 16 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 16 |
| Windscreen wiper blade insecure | 16 |
| Bonnet cannot be secured in the closed position |8.4.1| | 16 |
| Offside Front Upper Suspension arm has excessive play in a pin/bearing |2.4.G.2| | 16 |
| Nearside Front Upper Suspension arm has excessive play in a pin/bearing |2.4.G.2| | 16 |
| Rear brake application uneven | 16 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 16 |
| Nearside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 16 |
| Power steering fluid level below minimum |2.3.1| | 15 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 15 |
| Offside Headlamp insecure |1.7.3| | 15 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 15 |
| Driver`s seat insecure |6.2.A.1| | 15 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 15 |
| Offside Rear Brake cable has wires broken and is significantly weakened |3.5.1b| | 15 |
| Offside Front Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 14 |
| Offside Front Upper Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 14 |
| Nearside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 14 |
| Offside Front brake disc excessively pitted |3.5.1h| | 14 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 13 |
| Nearside Front Wheel bolt|s| missing |4.2.A.1e| | 13 |
| Offside Front Inner Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 13 |
| Nearside Front Inner Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 13 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 13 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 13 |
| Nearside Rear Wheel bolt|s| missing |4.2.A.1e| | 13 |
| 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| | 12 |
| Nearside Rear Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 12 |
| Nearside Rear Trailing arm has excessive play in a pin/bush |2.4.G.2| | 12 |