| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 111 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 89 |
| Windscreen wiper does not clear the windscreen effectively | 67 |
| Headlamp aim out of alignment | 49 |
| Offside Rear fog lamp not working |1.3.2b| | 34 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 32 |
| Offside Stop lamp not working |1.2.1b| | 29 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 29 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 27 |
| Brake hose excessively deteriorated | 27 |
| Nearside Stop lamp not working |1.2.1b| | 27 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 22 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 20 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 18 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 17 |
| Rear fog lamp not working |1.3.2b| | 15 |
| Anti-lock braking system warning lamp indicates an ABS fault | 14 |
| Brake pipe excessively corroded | 13 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 13 |
| Rear fog lamp tell tale not working |1.3.1b| | 12 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 12 |
| Registration plate issues | 11 |
| Nearside Rear Shock absorber has an excessively worn bush |2.7.4| | 11 |
| Nearside Rear Stop lamp not working |1.2.1b| | 10 |
| Offside Rear Stop lamp not working |1.2.1b| | 10 |
| Brakes imbalanced across an axle | 9 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 9 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 9 |
| Centre Stop lamp not working |1.2.1b| | 8 |
| Offside Front Seat belt damaged sufficient to obstruct correct operation of the belt |5.2.2a| | 8 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 8 |
| Offside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 7 |
| Nearside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 7 |
| Offside Rear Shock absorber has an excessively worn bush |2.7.4| | 7 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 7 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 7 |
| Nearside Rear Lower Shock absorber has an excessively worn bush |2.7.4| | 7 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 6 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 6 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 6 |
| Brake hose damaged | 6 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 6 |
| 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| | 6 |
| Offside Side repeater not working |1.4.A.2c| | 6 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 5 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 5 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 5 |
| Offside Rear Lower Shock absorber has an excessively worn bush |2.7.4| | 5 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 4 |
| Offside Rear fog lamp missing |1.3.2a| | 4 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 4 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 4 |
| Offside Outer Rear position lamp|s| not working |1.1.A.3b| | 3 |
| Stop lamp not working |1.2.1b| | 3 |
| Front Exhaust system not adequately supported |7.1.1| | 3 |
| 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| | 3 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 3 |
| 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| | 3 |
| Battery insecure |1.9.1| | 3 |
| Offside Rear Statutory seat belt missing |5.1.1| | 3 |
| 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| | 3 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 3 |
| Offside Front brake disc excessively pitted |3.5.1h| | 3 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 3 |
| Offside 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 Inner Stop lamp not working |1.2.1b| | 3 |
| Rear Rear fog lamp not working |1.3.2b| | 3 |
| Front position lamp|s| not working |1.1.A.3b| | 3 |
| Windscreen has a sticker or other obstruction encroaching by more than 10mm within zone `A` |8.3.1b| | 3 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 3 |
| Offside Rear position lamp|s| incorrect colour |1.1.A.3e| | 3 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 3 |
| Nearside Inner Rear position lamp|s| not working |1.1.A.3b| | 2 |
| Offside Inner Stop lamp not working |1.2.1b| | 2 |
| Offside Outer Stop lamp not working |1.2.1b| | 2 |
| Offside Rear Rear fog lamp missing |1.3.2a| | 2 |
| Nearside Front Direction indicator incomplete |1.5.A1b| | 2 |
| Emissions not tested |7.0| | 2 |
| Offside Rear fog lamp emits a light other than red |1.3.2e| | 2 |
| Nearside Rear Rear position lamp|s| not working |1.1.A.3b| | 2 |
| Rear Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 2 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 2 |
| Offside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 2 |
| Nearside Rear Seat belt damaged sufficient to obstruct correct operation of the belt |5.2.2a| | 2 |
| Offside Rear Seat belt damaged sufficient to obstruct correct operation of the belt |5.2.2a| | 2 |
| Windscreen has damage | 2 |
| Offside Rear Wheel nut|s| missing |4.2.A.1e| | 2 |
| Parking brake: efficiency below requirements |3.7.B.7| | 2 |
| Rear fog lamp switch missing |1.3.1a| | 2 |
| Nearside Outer Rear position lamp|s| not working |1.1.A.3b| | 2 |
| Offside Inner Rear position lamp|s| not working |1.1.A.3b| | 2 |
| Nearside Front Seat belt insecurely fixed to the seat |5.2.1a| | 2 |
| Offside Front Seat belt insecurely fixed to the seat |5.2.1a| | 2 |
| 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| | 2 |
| Centre Exhaust system not adequately supported |7.1.1| | 2 |
| Offside Rear fog lamp insecure |1.3.2a| | 2 |
| Nearside Rear Statutory seat belt missing |5.1.1| | 2 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 2 |
| Offside Rear Shock absorbers has a serious fluid leak | 2 |
| Offside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 2 |
| Offside Side repeater insecure |1.4.A.2b| | 2 |
| Rear brake application uneven | 2 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturer`s specified limits |8.2.1.2 |a|| | 2 |
| 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| | 2 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 2 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 2 |
| Nearside Front Lower Suspension arm has excessive play in a pin/bush |2.4.G.2| | 2 |
| 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| | 2 |
| Offside Rear position lamp|s| incomplete |1.1.4a| | 2 |
| Rear Stop lamp not working |1.2.1b| | 2 |
| Exhaust system not adequately supported |7.1.1| | 2 |
| Nearside Side repeater not working |1.4.A.2c| | 2 |
| Offside Headlamp not working on main beam |1.7.5a| | 2 |
| Offside Front Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 2 |
| Offside Rear Seat belt locking mechanism does not secure or release |5.2.5a| | 2 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 2 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 2 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 2 |
| Nearside Stop lamp not working (1.2.1b) | 2 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 2 |