| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 1409 |
| Windscreen wiper does not clear the windscreen effectively | 576 |
| Registration plate lamp issues | 509 |
| Headlamp aim out of alignment | 444 |
| Service brake: efficiency below requirements |3.7.B.7| | 206 |
| Anti-lock braking system warning lamp indicates an ABS fault | 161 |
| Nearside Stop lamp not working |1.2.1b| | 157 |
| Registration plate issues | 157 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 156 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 155 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 149 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 138 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 138 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 125 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 117 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 113 |
| Brakes imbalanced across an axle | 112 |
| Offside Stop lamp not working |1.2.1b| | 111 |
| Parking brake: efficiency below requirements |3.7.B.7| | 91 |
| Rear brake binding | 78 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 76 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 68 |
| Rear parking brake recording little or no effort | 63 |
| Nearside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 61 |
| Steering column top bearing excessively worn |2.1.2c| | 60 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 57 |
| Nearside Rear Stop lamp not working |1.2.1b| | 55 |
| Offside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 55 |
| Emissions not tested |7.0| | 55 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 52 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 51 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 51 |
| Nearside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 48 |
| Steering column top mounting bracket insecure |2.1.2d| | 46 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 45 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 45 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 45 |
| Offside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 44 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 43 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 41 |
| 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| | 38 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 38 |
| Brake hose excessively deteriorated | 38 |
| Nearside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 37 |
| Nearside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 37 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 37 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 36 |
| Rear brake disc in such a condition that it is seriously weakened | 36 |
| Offside Rear fog lamp not working |1.3.2b| | 36 |
| Offside Rear Stop lamp not working |1.2.1b| | 35 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 34 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 34 |
| Offside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 33 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 33 |
| Nearside front brake binding |3.7.B.1| | 33 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 33 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 32 |
| Steering column movement between the shaft and steering wheel |2.1.2b| | 31 |
| 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| | 30 |
| Horn not working |1.6.2a| | 30 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 29 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 29 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 28 |
| Windscreen has damage | 28 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 28 |
| Nearside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 27 |
| Offside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 27 |
| Offside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 26 |
| Exhaust system not adequately supported |7.1.1| | 26 |
| Nearside Front Wheel nut|s| missing |4.2.A.1e| | 25 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 25 |
| Windscreen wiper blade insecure | 25 |
| Brake pedal spongy |3.3.B.1b| | 24 |
| Brake performance not tested |3.7.A.1| | 24 |
| Battery insecure |1.9.1| | 24 |
| Offside front brake binding |3.7.B.1| | 23 |
| Nearside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 23 |
| Service brake: efficiency below requirements |3.7.C.1a| | 23 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 22 |
| Rear brake application uneven | 22 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 22 |
| Rear Exhaust system not adequately supported |7.1.1| | 22 |
| Front brake application uneven | 22 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 21 |
| Parking brake lever has no reserve travel |3.1.6b| | 21 |
| Offside Front Anti-roll bar linkage insecure |2.4.G.1| | 19 |
| Offside Rear Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 19 |
| Nearside Rear Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 18 |
| Centre Exhaust has part of the system excessively deteriorated |7.1.1a| | 18 |
| Offside Rear Wheel nut|s| missing |4.2.A.1e| | 18 |
| Brake hydraulic reservoir fluid level below minimum level |3.6.G.1b| | 17 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 17 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 16 |
| 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| | 16 |
| Nearside Rear Wheel nut|s| missing |4.2.A.1e| | 16 |
| Centre Exhaust system not adequately supported |7.1.1| | 15 |
| Nearside Rear Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 15 |
| 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| | 15 |
| Anti-lock braking system warning lamp does not illuminate |3.4.1b| | 14 |
| 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| | 14 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 14 |
| Emissions not tested |7.3.A.1| | 14 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 14 |
| Mechanical brake component has restricted free movement | 14 |
| Brake pipe inadequately clipped |3.6.B.1| | 14 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 14 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 14 |
| 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| | 13 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 13 |
| Offside Rear Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 13 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 13 |
| Offside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 13 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 12 |
| Windscreen washer not working | 12 |
| Front Exhaust system not adequately supported |7.1.1| | 12 |
| Rear Mechanical brake component has restricted free movement | 12 |
| Offside Front front brake binding |3.7.B.1| | 12 |
| Nearside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 12 |
| Offside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 12 |
| Nearside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 12 |
| Offside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 12 |
| Rear fog lamp not working |1.3.2b| | 12 |
| Nearside Rear brake disc contaminated by oil |3.5.1h| | 11 |
| Fuel system component leaking |7.2.3| | 11 |
| Nearside Front front brake binding |3.7.B.1| | 11 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 11 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 11 |
| Offside Front Brake pipe leaking |3.6.A.1| | 11 |
| Nearside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 11 |
| Brake fluid warning lamp illuminated |3.6.G.2| | 11 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 11 |