| Most common failures | No# failures |
|---|
| Parking brake: efficiency below requirements |3.7.B.7| | 1867 |
| Headlamp aim out of alignment | 1446 |
| Windscreen wiper does not clear the windscreen effectively | 1224 |
| Brake pipe excessively corroded | 1032 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 884 |
| Registration plate lamp issues | 845 |
| Rear parking brake recording little or no effort | 794 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 726 |
| Service brake: efficiency below requirements |3.7.B.7| | 626 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 571 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 558 |
| Brakes imbalanced across an axle | 537 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 523 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 470 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 459 |
| Offside Stop lamp not working |1.2.1b| | 448 |
| Nearside Stop lamp not working |1.2.1b| | 391 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 385 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 321 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 299 |
| Emissions not tested |7.0| | 284 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 283 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 278 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 277 |
| Registration plate issues | 274 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 267 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 244 |
| Rear brake binding | 230 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 217 |
| Nearside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 208 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 187 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 184 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 168 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 165 |
| Offside Rear Stop lamp not working |1.2.1b| | 160 |
| Parking brake lever has no reserve travel |3.1.6b| | 160 |
| Nearside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 158 |
| Offside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 155 |
| Nearside Rear Stop lamp not working |1.2.1b| | 154 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 150 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 149 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 149 |
| Front brake application uneven | 140 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 137 |
| Front brake disc in such a condition that it is seriously weakened | 135 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 134 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 130 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 124 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 121 |
| Windscreen has damage | 121 |
| Offside Rear fog lamp not working |1.3.2b| | 116 |
| Anti-lock braking system warning lamp indicates an ABS fault | 107 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 107 |
| Offside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 106 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 104 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 103 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 102 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 101 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 96 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 95 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 95 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 94 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 93 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 92 |
| Offside front brake binding |3.7.B.1| | 90 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 89 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 84 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 76 |
| Nearside Rear Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 75 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 68 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 68 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 64 |
| Nearside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 62 |
| Power steering pipe|s| or hose|s| leaking |2.3.3b| | 62 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 60 |
| Direction indicators incorrect colour |1.4.A.2f| | 59 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 58 |
| Offside Front Direction indicators incorrect colour |1.4.A.2f| | 58 |
| Rear brake application uneven | 57 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 57 |
| Nearside Front Direction indicators incorrect colour |1.4.A.2f| | 56 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 55 |
| Power steering pipe|s| or hose|s| leaking from a joint |2.3.3b| | 55 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 54 |
| Nearside Side repeater incorrect colour |1.4.A.2f| | 53 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 53 |
| Rear Direction indicator incorrect colour |1.4.A.2f| | 52 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 51 |
| Offside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 51 |
| Windscreen wiper blade insecure | 51 |
| Rear Direction indicators incorrect colour |1.4.A.2f| | 50 |
| Offside Rear Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 50 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 49 |
| Nearside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 49 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 47 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 47 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 47 |
| Power steering component|s| leaking |2.3.3b| | 47 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 47 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 45 |
| Offside Front front brake binding |3.7.B.1| | 42 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 42 |
| Nearside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 41 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 39 |
| Rear Mechanical brake component has restricted free movement | 38 |
| Offside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 37 |
| Nearside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 37 |
| Offside Headlamp not working on main beam |1.7.5a| | 37 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 36 |
| rear brake recording little or no effort |3.7.B.5a| | 35 |
| Exhaust tailpipe not capable of allowing the emission probe to be inserted |7.3.D.1| | 34 |
| Rear brake disc in such a condition that it is seriously weakened | 34 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 34 |
| Nearside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 33 |
| Nearside Rear Trailing arm has excessive play in a pin/bush |2.4.G.2| | 32 |
| Nearside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 31 |
| Nearside Headlamp not working on main beam |1.7.5a| | 31 |
| Nearside front brake binding |3.7.B.1| | 30 |
| Front Exhaust has part of the system excessively deteriorated |7.1.1a| | 30 |
| Offside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 30 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 30 |
| Offside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 29 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 29 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 29 |
| Mechanical brake component has restricted free movement | 28 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 28 |
| Nearside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 28 |
| Offside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 28 |