| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 2082 |
| Brake pipe excessively corroded | 1314 |
| Registration plate lamp issues | 966 |
| Headlamp aim out of alignment | 938 |
| Brakes imbalanced across an axle | 629 |
| Offside Stop lamp not working |1.2.1b| | 312 |
| Rear brake binding | 289 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 225 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 209 |
| Registration plate issues | 206 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 205 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 193 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 192 |
| Anti-lock braking system warning lamp indicates an ABS fault | 173 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 163 |
| 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| | 160 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 159 |
| 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| | 146 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 140 |
| Parking brake lever has no reserve travel |3.1.6b| | 128 |
| Parking brake: efficiency below requirements |3.7.B.7| | 126 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 126 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 126 |
| Offside Rear Stop lamp not working |1.2.1b| | 126 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 120 |
| Nearside Stop lamp not working |1.2.1b| | 118 |
| Nearside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 116 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 112 |
| Offside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 104 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 102 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 102 |
| Offside Rear coil spring broken |2.4.C.1a| | 98 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 96 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 90 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 86 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 85 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 85 |
| Nearside Rear coil spring broken |2.4.C.1a| | 84 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 83 |
| 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| | 79 |
| Rear parking brake recording little or no effort | 79 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 78 |
| 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| | 78 |
| 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| | 74 |
| Rear brake application uneven | 72 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 71 |
| 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| | 70 |
| Windscreen wiper blade insecure | 69 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 68 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 68 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 65 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 65 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 63 |
| Offside front brake binding |3.7.B.1| | 61 |
| Front brake application uneven | 61 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 61 |
| 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| | 59 |
| Offside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 58 |
| Offside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 58 |
| 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| | 57 |
| Nearside Rear Stop lamp not working |1.2.1b| | 57 |
| 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| | 56 |
| Nearside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 55 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 55 |
| 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| | 53 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 52 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 50 |
| Offside Rear Coil spring fractured or broken |5.3.1 |b| |i|| | 49 |
| Nearside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 49 |
| Nearside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 49 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 49 |
| Offside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 47 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 45 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 44 |
| Service brake: efficiency below requirements |3.7.B.7| | 43 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 43 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 42 |
| Nearside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 41 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 41 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 40 |
| Rear Mechanical brake component has restricted free movement | 39 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 38 |
| Offside Front Suspension arm rubber bush bonding deteriorated resulting in excessive movement |2.4.G.2| | 37 |
| Offside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 36 |
| Offside Front front brake binding |3.7.B.1| | 35 |
| Windscreen has damage | 34 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 34 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 33 |
| Nearside front brake binding |3.7.B.1| | 33 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 32 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 32 |
| Nearside Front Outer Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 32 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 32 |
| Nearside Rear Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 31 |
| Front brake disc in such a condition that it is seriously weakened | 31 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 30 |
| Nearside Front Suspension arm rubber bush bonding deteriorated resulting in excessive movement |2.4.G.2| | 29 |
| Offside Rear Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 29 |
| Nearside Rear Coil spring fractured or broken |5.3.1 |b| |i|| | 28 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 28 |
| Offside Front Outer Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 27 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 27 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 27 |
| Offside Front Position lamp not working |4.2.1 |a|| | 27 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 27 |
| Offside Rear fog lamp not working |1.3.2b| | 26 |
| Mechanical brake component has restricted free movement | 26 |
| Offside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 26 |
| Horn not working |1.6.2a| | 26 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 26 |