| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 387 |
| Brake pipe excessively corroded | 340 |
| Headlamp aim out of alignment | 331 |
| Registration plate lamp issues | 271 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 108 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 106 |
| Registration plate issues | 82 |
| Brakes imbalanced across an axle | 68 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 57 |
| Parking brake lever has no reserve travel |3.1.6b| | 55 |
| Rear brake disc in such a condition that it is seriously weakened | 51 |
| Front brake disc in such a condition that it is seriously weakened | 47 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 36 |
| Offside Stop lamp not working |1.2.1b| | 35 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 34 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 32 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 32 |
| Parking brake: efficiency below requirements |3.7.B.7| | 32 |
| Rear brake binding | 31 |
| Anti-lock braking system warning lamp indicates an ABS fault | 30 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 30 |
| Centre Stop lamp not working |1.2.1b| | 28 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 27 |
| 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| | 26 |
| 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| | 26 |
| Horn not working |1.6.2a| | 26 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 26 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 25 |
| Rear brake application uneven | 24 |
| Battery insecure |1.9.1| | 23 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 21 |
| Nearside Stop lamp not working |1.2.1b| | 21 |
| Offside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 21 |
| Service brake: efficiency below requirements |3.7.B.7| | 19 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 18 |
| Windscreen has damage | 18 |
| Nearside 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 Rear Stop lamp not working |1.2.1b| | 16 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 15 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 15 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 13 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 13 |
| Nearside Rear Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 13 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 13 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 13 |
| 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| | 12 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 12 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 12 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 12 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 12 |
| Front brake application uneven | 12 |
| 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| | 12 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 12 |
| 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| | 11 |
| Power steering pipe|s| or hose|s| leaking |2.3.3b| | 11 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 11 |
| 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| | 11 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 11 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 11 |
| Rear parking brake recording little or no effort | 11 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 10 |
| Windscreen washer not working | 10 |
| Offside Rear Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 10 |
| 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| | 10 |
| Offside Front Seat belt retracting mechanism defective |5.2.5b| | 10 |
| Windscreen wiper blade insecure | 10 |
| 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| | 10 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 9 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 9 |
| Centre Rear Stop lamp not working |1.2.1b| | 9 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 9 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 9 |
| Offside Front Position lamp not working |4.2.1 |a|| | 8 |
| Offside Front brake disc excessively pitted |3.5.1h| | 8 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 8 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 8 |
| Offside Rear Stop lamp not working |1.2.1b| | 8 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 8 |
| 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| | 8 |
| Stop lamp not working |1.2.1b| | 8 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 8 |
| Offside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 7 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 7 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 7 |
| Nearside Headlamp not working on main beam |1.7.5a| | 7 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 7 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 7 |
| Nearside Steering rack gaiter insecure |2.2.D.2d| | 7 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 7 |
| 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| | 7 |