| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 1925 |
| Headlamp aim out of alignment | 1281 |
| Windscreen wiper does not clear the windscreen effectively | 941 |
| Brake pipe excessively corroded | 532 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 524 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 499 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 491 |
| Nearside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 433 |
| Registration plate issues | 414 |
| Offside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 388 |
| Offside Stop lamp not working |1.2.1b| | 302 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 246 |
| Offside Rear fog lamp not working |1.3.2b| | 234 |
| Nearside Stop lamp not working |1.2.1b| | 208 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 199 |
| Front brake disc in such a condition that it is seriously weakened | 184 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 168 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 156 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 150 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 148 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 145 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 145 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 142 |
| Rear fog lamp not working |1.3.2b| | 138 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 135 |
| Offside Rear Stop lamp not working |1.2.1b| | 118 |
| Offside Headlamp not working on main beam |1.7.5a| | 113 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 109 |
| Nearside Rear Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 107 |
| Offside Rear Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 96 |
| Brakes imbalanced across an axle | 90 |
| Emissions not tested |7.0| | 82 |
| Battery insecure |1.9.1| | 78 |
| Windscreen has damage | 78 |
| Nearside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 76 |
| Nearside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 75 |
| Nearside Rear Stop lamp not working |1.2.1b| | 75 |
| Rear brake disc in such a condition that it is seriously weakened | 75 |
| 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| | 73 |
| Rear brake binding | 72 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 70 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 68 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 68 |
| Brake hose excessively deteriorated | 67 |
| Offside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 65 |
| Offside front brake binding |3.7.B.1| | 61 |
| Offside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 61 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 60 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 59 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 58 |
| Parking brake: efficiency below requirements |3.7.B.7| | 56 |
| Nearside Front Steering rack gaiter split |2.2.D.2d| | 55 |
| 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| | 54 |
| 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| | 53 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 53 |
| Offside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 51 |
| Offside Steering rack gaiter split |2.2.D.2d| | 51 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 49 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 49 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 49 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 48 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 48 |
| Nearside Headlamp not working on main beam |1.7.5a| | 47 |
| Offside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 47 |
| Nearside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 46 |
| Service brake: efficiency below requirements |3.7.B.7| | 44 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 44 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 44 |
| Nearside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 43 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 42 |
| Windscreen wiper blade insecure | 42 |
| Nearside front brake binding |3.7.B.1| | 42 |
| 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| | 40 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 38 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 38 |
| Mechanical brake component has restricted free movement | 37 |
| 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| | 36 |
| Front position lamp|s| not working |1.1.A.3b| | 35 |
| Service brake: efficiency below requirements |3.7.C.1a| | 35 |
| Parking brake lever has no reserve travel |3.1.6b| | 34 |
| Nearside Front front brake binding |3.7.B.1| | 32 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 32 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 32 |
| Nearside Front Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 32 |
| Offside Rear Anti-roll bar linkage insecure |2.4.G.1| | 31 |
| Rear Rear fog lamp not working |1.3.2b| | 31 |
| Offside Front brake disc excessively pitted |3.5.1h| | 31 |
| Nearside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 31 |
| Bonnet cannot be secured in the closed position |8.4.1| | 30 |
| Offside Front front brake binding |3.7.B.1| | 30 |
| Rear parking brake recording little or no effort | 30 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 30 |
| 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 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 30 |
| Offside Rear Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 30 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 30 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 30 |
| Offside Front coil spring broken |2.4.C.1a| | 29 |
| Nearside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 29 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 29 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 28 |
| Offside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 28 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 28 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 27 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 27 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 27 |
| Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 27 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 26 |
| Nearside Rear Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 26 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 25 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 25 |
| Offside Front Steering rack gaiter split |2.2.D.2d| | 25 |
| Offside Front Position lamp not working |4.2.1 |a|| | 24 |
| 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| | 24 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 24 |
| Nearside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 23 |
| Windscreen washer not working | 23 |
| Brake performance not tested |3.7.A.1| | 23 |
| Offside Front Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 23 |
| Offside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 23 |