| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 155 |
| Registration plate lamp issues | 113 |
| Windscreen wiper does not clear the windscreen effectively | 74 |
| Headlamp aim out of alignment | 63 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 44 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 40 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 35 |
| Offside Stop lamp not working |1.2.1b| | 30 |
| Anti-lock braking system warning lamp indicates an ABS fault | 26 |
| Nearside Stop lamp not working |1.2.1b| | 25 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 24 |
| Registration plate issues | 24 |
| Parking brake lever has no reserve travel |3.1.6b| | 22 |
| Parking brake: efficiency below requirements |3.7.B.7| | 21 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 20 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 19 |
| Brakes imbalanced across an axle | 18 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 17 |
| Offside Rear Stop lamp not working |1.2.1b| | 16 |
| Emissions not tested |7.0| | 16 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 16 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 16 |
| Rear parking brake recording little or no effort | 16 |
| Service brake: efficiency below requirements |3.7.B.7| | 13 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 13 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 12 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 11 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 11 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 11 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 10 |
| Rear brake binding | 10 |
| Nearside Rear Stop lamp not working |1.2.1b| | 9 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 8 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 8 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 8 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 8 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 7 |
| 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| | 7 |
| Rear Exhaust system not adequately supported |7.1.1| | 7 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 7 |
| Windscreen has damage | 7 |
| 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| | 7 |
| Offside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 6 |
| Battery insecure |1.9.1| | 6 |
| 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| | 6 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 6 |
| Offside front brake binding |3.7.B.1| | 5 |
| 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| | 5 |
| 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| | 5 |
| Offside Front Shock absorber has an excessively worn bush |2.7.4| | 5 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 5 |
| Brake hydraulic reservoir fluid level below minimum level |3.6.G.1b| | 5 |
| Offside Rear fog lamp not working |1.3.2b| | 5 |
| Nearside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 5 |
| Rear fog lamp not working |1.3.2b| | 4 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 4 |
| Rear brake disc in such a condition that it is seriously weakened | 4 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 4 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 4 |
| Rear Stop lamp not working |1.2.1b| | 4 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 4 |
| Nearside Front Lower Shock absorber has an excessively worn bush |2.7.4| | 4 |
| Offside Front front brake binding |3.7.B.1| | 4 |
| Brake pedal spongy |3.3.B.1b| | 4 |
| Offside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 4 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 4 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 4 |
| Front brake application uneven | 3 |
| Nearside Rear Rear position lamp|s| incorrect colour |1.1.A.3e| | 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 |
| 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 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 Rear Wheel nut|s| missing |4.2.A.1e| | 3 |
| Brake hose excessively deteriorated | 3 |
| Steering column top mounting bracket insecure |2.1.2d| | 3 |
| Steering column top bearing excessively worn |2.1.2c| | 3 |
| Nearside Rear Body has a sharp edge caused by damage |6.1.C.1| | 3 |
| 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| | 3 |
| Rear brake application uneven | 3 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 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 |
| 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| | 3 |
| Front position lamp|s| not working |1.1.A.3b| | 3 |
| Nearside Front Shock absorber has an excessively worn bush |2.7.4| | 3 |
| 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| | 3 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 3 |
| brake disc excessively pitted |3.5.1h| | 3 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 3 |
| Offside Front Lower Shock absorber has an excessively worn bush |2.7.4| | 3 |
| Service brake: efficiency below requirements |3.7.C.1a| | 3 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 3 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 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 |
| Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 3 |
| Offside Front Shock absorbers has a serious fluid leak | 2 |
| Offside Parking brake inoperative on one side |1.4.1 |a|| | 2 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 2 |
| Exhaust tailpipe not capable of allowing the emission probe to be inserted |7.3.D.1| | 2 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 2 |
| Offside Front Anti-roll bar linkage severely distorted |2.4.G.1| | 2 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 2 |
| Brake performance not tested |3.7.A.1| | 2 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 2 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 2 |
| Offside Rear Rear position lamp|s| incorrect colour |1.1.A.3e| | 2 |
| Nearside Front Body has a sharp edge caused by damage |6.1.C.1| | 2 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 2 |
| Brake fluid warning lamp illuminated |3.6.G.2| | 2 |
| 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| | 2 |
| Nearside Front Wheel nut|s| missing |4.2.A.1e| | 2 |
| Rear brake disc excessively scored |3.5.1h| | 2 |
| Centre Front Exhaust has a major leak of exhaust gases |7.1.2| | 2 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 2 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 2 |
| Fuel cap/sealing device missing |7.2.4a| | 2 |
| Windscreen wiper blade insecure | 2 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 2 |
| Service brake efficiency below requirements |1.2.2 |a| |i|| | 2 |
| Offside Outer 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 |
| Offside Front Exhaust has a major leak of exhaust gases |7.1.2| | 2 |
| Rear Exhaust has a part missing |7.1.1a| | 2 |
| Rear Rear fog lamp not working |1.3.2b| | 2 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 2 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 2 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 2 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 2 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 2 |
| Trailer electrical socket insecure |1.9.3a| | 2 |
| Nearside Rear position lamp|s| incorrect colour |1.1.A.3e| | 2 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 2 |
| Power steering pipe|s| or hose|s| leaking |2.3.3b| | 2 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 2 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 2 |
| Offside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 2 |
| Nearside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 2 |
| Nearside front brake binding |3.7.B.1| | 2 |
| Offside Front Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 2 |
| Nearside Rear Exhaust has a major leak of exhaust gases |7.1.2| | 2 |
| Exhaust emissions likely to be affected by an exhaust leak (8.2.1.1 (b)) | 2 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 2 |