| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 1981 |
| Windscreen wiper does not clear the windscreen effectively | 1961 |
| Registration plate lamp issues | 1764 |
| Headlamp aim out of alignment | 1401 |
| Parking brake: efficiency below requirements |3.7.B.7| | 1196 |
| Rear parking brake recording little or no effort | 755 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 617 |
| Offside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 530 |
| Nearside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 475 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 437 |
| Nearside Stop lamp not working |1.2.1b| | 407 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 398 |
| Parking brake lever has no reserve travel |3.1.6b| | 396 |
| Registration plate issues | 394 |
| Brakes imbalanced across an axle | 388 |
| Offside Stop lamp not working |1.2.1b| | 381 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 361 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 338 |
| Brake hose excessively deteriorated | 299 |
| Front brake disc in such a condition that it is seriously weakened | 257 |
| Offside Front Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 257 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 251 |
| Nearside Front Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 220 |
| Rear fog lamp switch faulty |1.3.1a| | 214 |
| Service brake: efficiency below requirements |3.7.B.7| | 211 |
| Offside Rear fog lamp not working |1.3.2b| | 202 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 180 |
| Rear brake binding | 179 |
| Nearside Rear Stop lamp not working |1.2.1b| | 177 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 176 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 167 |
| Offside Rear Stop lamp not working |1.2.1b| | 157 |
| Nearside Side repeater incorrect colour |1.4.A.2f| | 149 |
| Rear brake disc in such a condition that it is seriously weakened | 136 |
| Offside Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 132 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 131 |
| Front Exhaust system not adequately supported |7.1.1| | 130 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 126 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 125 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 124 |
| Nearside Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 123 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 110 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 109 |
| Rear fog lamp not working |1.3.2b| | 105 |
| Windscreen has damage | 102 |
| Windscreen wiper blade insecure | 99 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 85 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 84 |
| Rear fog lamp tell tale not working |1.3.1b| | 82 |
| Offside Outer Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 82 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 81 |
| Emissions not tested |7.0| | 79 |
| Nearside Front Brake hose leaking |3.6.A.1| | 75 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 75 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 73 |
| Nearside Outer Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 73 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 72 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 71 |
| Offside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 71 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 71 |
| Nearside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 69 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 69 |
| Brake performance not tested |3.7.A.1| | 67 |
| 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| | 65 |
| Nearside Front constant velocity joint is insecure |2.5.C.1b| | 64 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 64 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 63 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 61 |
| Rear brake application uneven | 60 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 60 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 60 |
| Offside Front Side repeater incorrect colour |1.4.A.2f| | 58 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 58 |
| Exhaust system not adequately supported |7.1.1| | 57 |
| 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| | 57 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 56 |
| Front brake application uneven | 55 |
| Offside Front constant velocity joint is insecure |2.5.C.1b| | 54 |
| Nearside Front Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 54 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 54 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 53 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 52 |
| 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| | 52 |
| Horn not working |1.6.2a| | 52 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 51 |
| Battery insecure |1.9.1| | 50 |
| Exhaust engine idle speed too high |7.3.D.1| | 50 |
| Nearside Front Side repeater incorrect colour |1.4.A.2f| | 50 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 50 |
| Offside Front Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 49 |
| Offside Front Brake hose leaking |3.6.A.1| | 48 |
| Offside Front Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 48 |
| Offside Front Front constant velocity joint is insecure |2.5.C.1b| | 48 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 48 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 47 |
| Rear Mechanical brake component has restricted free movement | 47 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 47 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 47 |
| Offside Front brake disc excessively pitted |3.5.1h| | 47 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 46 |
| Offside Front Anti-roll bar linkage rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 46 |
| 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| | 44 |
| Nearside Front Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 42 |
| Nearside Front Front constant velocity joint is insecure |2.5.C.1b| | 42 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 39 |
| Nearside Front Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 39 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 38 |
| 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| | 38 |
| Offside Front Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 38 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 38 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 38 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 38 |
| Brake hydraulic reservoir fluid level below minimum level |3.6.G.1b| | 37 |
| Offside Rear coil spring broken |2.4.C.1a| | 36 |
| Offside Rear coil spring fractured |2.4.C.1a| | 35 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 35 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 35 |
| Nearside Front Anti-roll bar linkage rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 35 |
| Offside Rear brake caliper has restricted free movement |3.5.1k| | 34 |
| Nearside Rear coil spring broken |2.4.C.1a| | 33 |
| Nearside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 33 |
| Hazard warning switch faulty |1.4.B.1d| | 33 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 33 |
| Rear brake disc excessively pitted |3.5.1h| | 33 |
| Brake hose damaged | 32 |