| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 1743 |
| Registration plate lamp issues | 1499 |
| Brake pipe excessively corroded | 1169 |
| Headlamp aim out of alignment | 954 |
| Brakes imbalanced across an axle | 595 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 375 |
| Registration plate issues | 372 |
| Parking brake lever has no reserve travel |3.1.6b| | 340 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 289 |
| Rear brake binding | 282 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 260 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 256 |
| Offside Stop lamp not working |1.2.1b| | 237 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 213 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 206 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 184 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 183 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 179 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 179 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 174 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 170 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 161 |
| Nearside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 145 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 145 |
| Service brake: efficiency below requirements |3.7.B.7| | 135 |
| 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| | 131 |
| Rear brake application uneven | 118 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 118 |
| Parking brake: efficiency below requirements |3.7.B.7| | 117 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 116 |
| 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| | 113 |
| Offside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 113 |
| Offside Rear Stop lamp not working |1.2.1b| | 93 |
| Offside Rear coil spring broken |2.4.C.1a| | 91 |
| Offside front brake binding |3.7.B.1| | 87 |
| Nearside Rear coil spring broken |2.4.C.1a| | 86 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 85 |
| Nearside Stop lamp not working |1.2.1b| | 81 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 80 |
| 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| | 78 |
| 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| | 78 |
| Rear parking brake recording little or no effort | 77 |
| 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| | 77 |
| Front brake application uneven | 76 |
| 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| | 76 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 69 |
| Nearside front brake binding |3.7.B.1| | 69 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 65 |
| Anti-lock braking system warning lamp indicates an ABS fault | 64 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 62 |
| Front brake disc in such a condition that it is seriously weakened | 62 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 57 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 56 |
| Offside Front front brake binding |3.7.B.1| | 55 |
| 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| | 55 |
| 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| | 52 |
| Nearside Rear Stop lamp not working |1.2.1b| | 52 |
| Windscreen wiper blade insecure | 48 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 46 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 45 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 45 |
| Windscreen has damage | 44 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 43 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 43 |
| Nearside Front front brake binding |3.7.B.1| | 42 |
| Nearside Front Outer Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 41 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 41 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 40 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 40 |
| Offside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 40 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 38 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 36 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 36 |
| Emissions not tested |7.0| | 35 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 34 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 34 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 33 |
| Nearside Front Lower Ball joint has excessive play |2.2.B.1f| | 33 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 31 |
| Rear Mechanical brake component has restricted free movement | 31 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 31 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 31 |
| Nearside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 31 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 30 |
| Offside Front 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 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 29 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 29 |
| Mechanical brake component has restricted free movement | 29 |
| Centre Stop lamp not working |1.2.1b| | 29 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 29 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 28 |
| Battery insecure |1.9.1| | 28 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 27 |
| Stop lamp not working |1.2.1b| | 27 |
| Offside Front Lower Ball joint has excessive play |2.2.B.1f| | 27 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 26 |