| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 453 |
| Windscreen wiper does not clear the windscreen effectively | 411 |
| Headlamp aim out of alignment | 396 |
| Parking brake: efficiency below requirements |3.7.B.7| | 224 |
| Brake hose excessively deteriorated | 214 |
| Rear Exhaust system not adequately supported |7.1.1| | 204 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 160 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 152 |
| Registration plate issues | 141 |
| Rear parking brake recording little or no effort | 133 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 114 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 114 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 113 |
| Parking brake lever has no reserve travel |3.1.6b| | 112 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 104 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 97 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 93 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 93 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 90 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 89 |
| Anti-lock braking system warning lamp indicates an ABS fault | 87 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 87 |
| Brakes imbalanced across an axle | 85 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 84 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 69 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 68 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 60 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 60 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 59 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 51 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 50 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 49 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 48 |
| Exhaust system not adequately supported |7.1.1| | 47 |
| Nearside Stop lamp not working |1.2.1b| | 47 |
| Offside Stop lamp not working |1.2.1b| | 42 |
| Battery insecure |1.9.1| | 42 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 41 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 41 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 39 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 38 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 37 |
| Front brake disc in such a condition that it is seriously weakened | 37 |
| Rear brake application uneven | 36 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 36 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 35 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 33 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 32 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 32 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 32 |
| Direction indicators incorrect colour |1.4.A.2f| | 32 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 31 |
| Offside Front Direction indicators incorrect colour |1.4.A.2f| | 31 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 31 |
| Rear Exhaust mounting missing |7.1.1b| | 30 |
| 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| | 30 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 30 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 30 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 29 |
| Front brake application uneven | 28 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 27 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 26 |
| Offside Steering rack gaiter split |2.2.D.2d| | 26 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 25 |
| Nearside Front Direction indicators incorrect colour |1.4.A.2f| | 25 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 25 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 25 |
| 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| | 25 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 25 |
| Windscreen has damage | 22 |
| Nearside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 22 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 21 |
| Nearside Front Ball joint has excessive play |2.2.B.1f| | 21 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 20 |
| Nearside Side repeater incorrect colour |1.4.A.2f| | 20 |
| Offside Rear fog lamp not working |1.3.2b| | 20 |
| Rear brake binding | 20 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 20 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 20 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 20 |
| Offside 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 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| | 19 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 19 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 19 |
| Nearside Rear Exhaust system not adequately supported |7.1.1| | 19 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 19 |
| Offside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 18 |
| 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| | 18 |
| Rear brake disc in such a condition that it is seriously weakened | 18 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 17 |
| Nearside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 17 |
| Offside Rear Stop lamp not working |1.2.1b| | 17 |
| Nearside Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b| | 17 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 16 |
| Brake hose damaged | 16 |
| Offside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 16 |
| Front Direction indicators incorrect colour |1.4.A.2f| | 16 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 16 |
| Front Direction indicator incorrect colour |1.4.A.2f| | 15 |
| Rear Direction indicators incorrect colour |1.4.A.2f| | 15 |
| Offside Rear Wheel bolt|s| missing |4.2.A.1e| | 15 |
| Nearside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 15 |
| Nearside Front Wheel bolt|s| missing |4.2.A.1e| | 14 |
| Nearside Rear Stop lamp not working |1.2.1b| | 14 |
| Windscreen wiper blade insecure | 14 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 14 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 14 |
| Emissions not tested |7.0| | 14 |
| Offside front brake binding |3.7.B.1| | 14 |
| Nearside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 14 |
| Nearside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 14 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 13 |
| 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| | 13 |
| Offside Front Upper Anti-roll bar linkage ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 13 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 13 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 13 |
| Nearside Rear Rear position lamp|s| not working |1.1.A.3b| | 13 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 13 |
| Offside Rear Rear position lamp|s| not working |1.1.A.3b| | 13 |
| Offside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 13 |
| Nearside Rear Wheel bolt|s| missing |4.2.A.1e| | 12 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 12 |
| Nearside Front Steering arm has relative movement at its fixings |2.2.B.1h| | 12 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 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| | 12 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 12 |
| 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| | 12 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 12 |
| Offside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 12 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 11 |
| Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b| | 11 |
| 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| | 11 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 11 |
| Offside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 11 |
| Front position lamp|s| not working |1.1.A.3b| | 11 |
| Brake pedal spongy |3.3.B.1b| | 11 |
| Service brake: efficiency below requirements |3.7.B.7| | 10 |
| Offside Front Wheel bolt|s| missing |4.2.A.1e| | 10 |
| Nearside Steering arm has relative movement at its fixings |2.2.B.1h| | 10 |
| Nearside Front Steering rack gaiter split |2.2.D.2d| | 10 |
| Nearside Side repeater not working |1.4.A.2c| | 10 |
| Offside Front Side repeater incorrect colour |1.4.A.2f| | 10 |
| Rear Direction indicator incorrect colour |1.4.A.2f| | 10 |
| Fuel system component insecure |7.2.1| | 10 |
| Offside Side repeater not working |1.4.A.2c| | 10 |
| Nearside Ball joint has excessive play |2.2.B.1f| | 10 |
| Offside Front Anti-roll bar ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 10 |