| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 141 |
| Headlamp aim out of alignment | 134 |
| Registration plate lamp issues | 127 |
| Brake pipe excessively corroded | 56 |
| Registration plate issues | 48 |
| Brakes imbalanced across an axle | 24 |
| Rear parking brake recording little or no effort | 21 |
| Offside Rear fog lamp not working |1.3.2b| | 21 |
| Rear brake binding | 19 |
| Parking brake: efficiency below requirements |3.7.B.7| | 18 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 18 |
| Parking brake lever has no reserve travel |3.1.6b| | 17 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 16 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 16 |
| Rear fog lamp not working |1.3.2b| | 15 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 14 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 13 |
| Nearside Stop lamp not working |1.2.1b| | 13 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 13 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 13 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 13 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 13 |
| Windscreen has damage | 12 |
| Anti-lock braking system warning lamp indicates an ABS fault | 12 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 11 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 11 |
| Offside Stop lamp not working |1.2.1b| | 11 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 11 |
| Offside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 10 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 10 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 10 |
| Nearside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 9 |
| Electronic stability system warning lamp indicates a fault |3.4.1c| | 9 |
| Offside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 8 |
| 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| | 8 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 8 |
| Electronic stability control warning lamp indicates a fault |7.12 |e|| | 8 |
| Offside Front front brake binding |3.7.B.1| | 7 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 7 |
| Nearside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 7 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 7 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 7 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 6 |
| Rear Rear fog lamp not working |1.3.2b| | 6 |
| Central Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 6 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 6 |
| Windscreen wiper blade insecure | 6 |
| Offside Rear Stop lamp not working |1.2.1b| | 6 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 5 |
| Nearside Front Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 5 |
| Rear fog lamp tell tale not working |1.3.1b| | 5 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 5 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 5 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 5 |
| Mechanical brake component has restricted free movement | 5 |
| Front brake application uneven | 5 |
| Rear brake disc in such a condition that it is seriously weakened | 5 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 5 |
| Power steering fluid level below minimum |2.3.1| | 5 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 5 |
| Brake hose excessively deteriorated | 5 |
| Emissions not tested (8.2.1.2 (d)) | 5 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 4 |
| Windscreen washer not working | 4 |
| Nearside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 4 |
| Nearside Front Anti-roll bar linkage ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 4 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 4 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 4 |
| Rear Mechanical brake component has restricted free movement | 4 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 4 |
| Offside front brake binding |3.7.B.1| | 4 |
| 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| | 4 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 4 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 4 |
| Nearside front brake binding |3.7.B.1| | 4 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 4 |
| Battery insecure |1.9.1| | 4 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 4 |
| Service brake: efficiency below requirements |3.7.B.7| | 4 |
| Nearside Rear Shock absorbers has a serious fluid leak | 4 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 4 |
| Nearside Front front brake binding |3.7.B.1| | 4 |
| Offside Rear Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 4 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 4 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 4 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 4 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 3 |
| Nearside Rear Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Offside Rear Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 3 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 3 |
| Offside Front Anti-roll bar linkage ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 3 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt |5.3.4 |b| |ii|| | 3 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 3 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 3 |
| Offside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 3 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 3 |
| Offside Front Inner Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 3 |
| Offside Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 3 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 3 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 3 |
| 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| | 3 |
| Nearside Rear Stop lamp not working |1.2.1b| | 3 |
| Offside Front Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 3 |
| Emissions not tested |7.0| | 3 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 3 |
| Nearside Rear Anti-roll bar linkage rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Offside Rear Anti-roll bar linkage rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Nearside Front Anti-roll bar linkage ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 3 |
| Offside Front Anti-roll bar linkage ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 3 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 3 |
| Offside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 3 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 3 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 3 |
| Horn not working |1.6.2a| | 3 |