| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 2277 |
| Windscreen wiper does not clear the windscreen effectively | 976 |
| Headlamp aim out of alignment | 952 |
| Registration plate lamp issues | 888 |
| Service brake: efficiency below requirements |3.7.B.7| | 471 |
| Brakes imbalanced across an axle | 365 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 343 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 321 |
| Registration plate issues | 320 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 301 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 290 |
| Parking brake: efficiency below requirements |3.7.B.7| | 207 |
| Nearside Stop lamp not working |1.2.1b| | 181 |
| Offside Stop lamp not working |1.2.1b| | 153 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 149 |
| Anti-lock braking system warning lamp indicates an ABS fault | 149 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 149 |
| Rear parking brake recording little or no effort | 135 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 128 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 124 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 122 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 121 |
| 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| | 112 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 111 |
| Nearside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 105 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 105 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 105 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 105 |
| Offside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 102 |
| Offside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 99 |
| Nearside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 98 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 97 |
| 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| | 95 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 95 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 91 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 89 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 88 |
| Nearside Rear Stop lamp not working |1.2.1b| | 83 |
| Offside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 81 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 79 |
| Rear brake binding | 75 |
| Steering column top bearing excessively worn |2.1.2c| | 71 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 71 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 70 |
| Offside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 70 |
| Nearside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 69 |
| Nearside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 69 |
| Windscreen has damage | 66 |
| Steering column top mounting bracket insecure |2.1.2d| | 65 |
| Rear brake application uneven | 64 |
| Horn not working |1.6.2a| | 63 |
| Brake hose excessively deteriorated | 61 |
| Offside Rear Stop lamp not working |1.2.1b| | 61 |
| Emissions not tested |7.0| | 60 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 59 |
| Front brake application uneven | 59 |
| Nearside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 58 |
| Rear brake disc in such a condition that it is seriously weakened | 57 |
| Offside Rear coil spring broken |2.4.C.1a| | 56 |
| Offside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 54 |
| Battery insecure |1.9.1| | 54 |
| 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| | 52 |
| Nearside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 51 |
| 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| | 49 |
| Service brake: efficiency below requirements |3.7.C.1a| | 48 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 46 |
| 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| | 46 |
| Fuel system component leaking |7.2.3| | 45 |
| 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| | 45 |
| Nearside Rear Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 44 |
| Offside Rear Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 43 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 41 |
| Offside front brake binding |3.7.B.1| | 41 |
| Fuel tank leaking |7.2.3| | 41 |
| Steering column movement between the shaft and steering wheel |2.1.2b| | 40 |
| Nearside Rear coil spring broken |2.4.C.1a| | 40 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 40 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 40 |
| 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| | 40 |
| Parking brake lever has no reserve travel |3.1.6b| | 39 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 39 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 39 |
| Brake fluid warning lamp illuminated |3.6.G.2| | 39 |
| Windscreen wiper blade insecure | 38 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 38 |
| Brake performance not tested |3.7.A.1| | 38 |
| Offside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 37 |
| Nearside Front Shock absorber has negligible damping effect |2.7.5| | 37 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 37 |
| Service brake efficiency below requirements |1.2.2 |a| |i|| | 36 |
| Fuel pipe leaking |7.2.3| | 36 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 36 |
| 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| | 36 |
| Brake pedal spongy |3.3.B.1b| | 34 |
| Nearside front brake binding |3.7.B.1| | 34 |
| Fuel system component insecure |7.2.1| | 34 |
| 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| | 34 |
| 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| | 34 |
| Brake hydraulic reservoir fluid level below minimum level |3.6.G.1b| | 34 |
| Offside Front Shock absorber has negligible damping effect |2.7.5| | 33 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 32 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 32 |
| Nearside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 30 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 29 |
| Nearside Rear Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 29 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 29 |
| Nearside Rear Anti-roll bar linkage rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 28 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 28 |
| Offside Rear fog lamp not working |1.3.2b| | 27 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 27 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 27 |
| Offside Rear Anti-roll bar linkage rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 27 |
| Offside Front Anti-roll bar linkage insecure |2.4.G.1| | 27 |
| Offside Rear Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 26 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 26 |
| Offside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 25 |
| Rear Exhaust system not adequately supported |7.1.1| | 25 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 25 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 24 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 24 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 24 |
| Nearside Rear brake disc contaminated by oil |3.5.1h| | 24 |
| Offside Rear coil spring fractured |2.4.C.1a| | 24 |
| Nearside Front front brake binding |3.7.B.1| | 23 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 23 |
| Mechanical brake component has restricted free movement | 23 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 23 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 23 |
| Front brake disc in such a condition that it is seriously weakened | 22 |
| Nearside rear brake excessively fluctuating |3.7.B.3| | 21 |
| Offside Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 21 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 21 |
| Hazard warning switch faulty |1.4.B.1d| | 21 |
| Offside Front Anti-roll bar linkage missing |2.4.G.1| | 21 |