| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 1484 |
| Headlamp aim out of alignment | 934 |
| Windscreen wiper does not clear the windscreen effectively | 716 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 378 |
| Brake pipe excessively corroded | 317 |
| Offside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 296 |
| Nearside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 294 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 293 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 256 |
| Registration plate issues | 228 |
| Offside Stop lamp not working |1.2.1b| | 171 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 149 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 140 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 127 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 120 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 118 |
| Nearside Stop lamp not working |1.2.1b| | 104 |
| Front brake disc in such a condition that it is seriously weakened | 103 |
| Offside Headlamp not working on main beam |1.7.5a| | 98 |
| Offside Rear fog lamp not working |1.3.2b| | 97 |
| Rear fog lamp not working |1.3.2b| | 82 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 78 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 77 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 73 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 72 |
| Offside Rear Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 71 |
| Offside Rear Stop lamp not working |1.2.1b| | 69 |
| Nearside Rear Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 66 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 58 |
| Nearside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 55 |
| Nearside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 55 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 55 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 55 |
| Brakes imbalanced across an axle | 54 |
| Offside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 52 |
| Nearside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 50 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 50 |
| Offside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 49 |
| Offside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 49 |
| Rear brake disc in such a condition that it is seriously weakened | 47 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 46 |
| Rear brake binding | 46 |
| 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| | 46 |
| Windscreen has damage | 45 |
| Battery insecure |1.9.1| | 44 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 44 |
| 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| | 43 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 40 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 39 |
| Nearside Rear Stop lamp not working |1.2.1b| | 39 |
| Nearside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 39 |
| 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| | 39 |
| Parking brake: efficiency below requirements |3.7.B.7| | 39 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 38 |
| Service brake: efficiency below requirements |3.7.B.7| | 37 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 37 |
| Emissions not tested |7.0| | 37 |
| Offside front brake binding |3.7.B.1| | 36 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 34 |
| 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| | 34 |
| Nearside front brake binding |3.7.B.1| | 30 |
| Nearside Headlamp not working on main beam |1.7.5a| | 30 |
| Offside 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| | 29 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 28 |
| Offside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 28 |
| Brake hose excessively deteriorated | 28 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 27 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 27 |
| Service brake: efficiency below requirements |3.7.C.1a| | 27 |
| Bonnet cannot be secured in the closed position |8.4.1| | 26 |
| Mechanical brake component has restricted free movement | 26 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 26 |
| Nearside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 25 |
| Offside Front coil spring broken |2.4.C.1a| | 25 |
| Windscreen washer not working | 24 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 23 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 23 |
| Offside Front front brake binding |3.7.B.1| | 23 |
| Anti-lock braking system warning lamp indicates an ABS fault | 22 |
| Offside Front Seat belt has a cut which has significantly weakened the webbing |5.2.2a| | 21 |
| Centre Rear Statutory seat belt missing |5.1.1| | 21 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 21 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 20 |
| 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| | 19 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 19 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 19 |
| Rear parking brake recording little or no effort | 19 |
| Offside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 18 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 18 |
| 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| | 18 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 18 |
| Brake performance not tested |3.7.A.1| | 18 |
| Nearside Rear Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 18 |
| Parking brake lever has no reserve travel |3.1.6b| | 18 |
| Nearside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 18 |
| 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| | 17 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 17 |
| Front position lamp|s| not working |1.1.A.3b| | 17 |
| Nearside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 17 |
| Nearside Front Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 17 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 17 |
| 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| | 17 |
| Nearside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength (5.3.6 (a) (i)) | 17 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded inner sill |2.4.A.3| | 17 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 17 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 16 |
| Offside Front coil spring fractured |2.4.C.1a| | 16 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 16 |
| Offside Rear Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 16 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 16 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 16 |
| Offside Front Position lamp not working |4.2.1 |a|| | 16 |
| Front brake application uneven | 16 |