| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 695 |
| Brake pipe excessively corroded | 596 |
| Parking brake: efficiency below requirements |3.7.B.7| | 575 |
| Headlamp aim out of alignment | 548 |
| Rear parking brake recording little or no effort | 388 |
| Registration plate lamp issues | 387 |
| Brake hose excessively deteriorated | 239 |
| Brakes imbalanced across an axle | 230 |
| Registration plate issues | 209 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 170 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 156 |
| Front brake disc in such a condition that it is seriously weakened | 115 |
| Rear brake binding | 111 |
| Rear fog lamp switch faulty |1.3.1a| | 106 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 98 |
| Rear brake disc in such a condition that it is seriously weakened | 90 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 83 |
| Nearside Stop lamp not working |1.2.1b| | 81 |
| Nearside Rear Anti-roll bar linkage fractured |2.4.G.1| | 80 |
| Rear fog lamp not working |1.3.2b| | 80 |
| Service brake: efficiency below requirements |3.7.B.7| | 78 |
| Offside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 78 |
| Offside Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 75 |
| Offside Rear fog lamp not working |1.3.2b| | 70 |
| Parking brake lever has no reserve travel |3.1.6b| | 69 |
| Offside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 66 |
| Nearside Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 66 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 65 |
| Offside Stop lamp not working |1.2.1b| | 65 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 64 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 62 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 60 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 59 |
| Offside Rear Anti-roll bar linkage fractured |2.4.G.1| | 58 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 57 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 57 |
| Battery insecure |1.9.1| | 55 |
| Nearside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 54 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 53 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 53 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 52 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 51 |
| Offside Rear coil spring broken |2.4.C.1a| | 51 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 50 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 48 |
| Rear fog lamp tell tale not working |1.3.1b| | 47 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 47 |
| Front brake application uneven | 43 |
| Nearside Rear coil spring broken |2.4.C.1a| | 42 |
| Offside Rear coil spring fractured |2.4.C.1a| | 40 |
| Offside Front Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 40 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 39 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 38 |
| Emissions not tested |7.0| | 37 |
| Nearside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 37 |
| Offside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 37 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 37 |
| Offside Front Anti-roll bar linkage rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 36 |
| Windscreen has damage | 36 |
| Nearside Front Brake hose leaking |3.6.A.1| | 36 |
| Offside Front Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 36 |
| Offside Rear Stop lamp not working |1.2.1b| | 36 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 35 |
| Nearside Rear Anti-roll bar linkage insecure |2.4.G.1| | 34 |
| Offside Front Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 34 |
| Offside Front Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 34 |
| Nearside Rear Stop lamp not working |1.2.1b| | 33 |
| Nearside Front Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 32 |
| Offside Rear Anti-roll bar linkage insecure |2.4.G.1| | 32 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 32 |
| Offside Front constant velocity joint is insecure |2.5.C.1b| | 31 |
| Front brake excessively fluctuating | 31 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 30 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 30 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 29 |
| Brake hose damaged | 29 |
| Nearside Front Anti-roll bar linkage rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 28 |
| Brake performance not tested |3.7.A.1| | 28 |
| Hazard warning switch faulty |1.4.B.1d| | 28 |
| Offside Front Brake hose leaking |3.6.A.1| | 28 |
| Nearside Front Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 28 |
| Offside Outer Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 28 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 27 |
| Windscreen wiper blade insecure | 27 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 27 |
| 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 |
| Nearside Front Lower Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 26 |
| Nearside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 25 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 25 |
| Nearside Front Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 25 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 25 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 24 |
| 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| | 24 |
| Offside Front brake disc excessively pitted |3.5.1h| | 23 |
| Rear Mechanical brake component has restricted free movement | 23 |
| Nearside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 23 |
| Nearside Rear coil spring fractured |2.4.C.1a| | 23 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 23 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 23 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 22 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 21 |
| Offside Front Lower Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 21 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 21 |
| Brake hydraulic reservoir fluid level below minimum level |3.6.G.1b| | 21 |
| Horn not working |1.6.2a| | 21 |
| Offside Front Front constant velocity joint is insecure |2.5.C.1b| | 20 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 20 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 20 |
| Offside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 20 |
| Nearside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 19 |
| Offside Rear coil spring incomplete |2.4.C.1a| | 18 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 18 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 18 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 18 |
| Offside Front coil spring broken |2.4.C.1a| | 17 |
| Nearside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 17 |
| Nearside Outer Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 17 |
| Offside Front coil spring fractured |2.4.C.1a| | 17 |
| Offside front brake juddering severely |3.7.A.2b| | 17 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 16 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 16 |
| Nearside Front Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 16 |
| Nearside Front Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 16 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 16 |
| Nearside Rear Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 16 |
| Nearside Side repeater incorrect colour |1.4.A.2f| | 16 |
| Offside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 16 |
| Offside front brake binding |3.7.B.1| | 16 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 15 |
| Nearside Front Brake hose excessively damaged |3.6.B.4d| | 15 |
| Nearside Rear brake caliper has restricted free movement |3.5.1k| | 15 |
| Nearside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 15 |
| Offside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 15 |
| Offside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 15 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 15 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 14 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 14 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 14 |
| Nearside Rear Anti-roll bar linkage missing |2.4.G.1| | 13 |
| Nearside Front Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 13 |
| Centre Stop lamp not working |1.2.1b| | 13 |
| Offside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 13 |