| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 4884 |
| Headlamp aim out of alignment | 4686 |
| Windscreen wiper does not clear the windscreen effectively | 4563 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 3443 |
| Registration plate lamp issues | 3255 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 2478 |
| Brakes imbalanced across an axle | 1816 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 1814 |
| Offside Stop lamp not working |1.2.1b| | 1727 |
| Nearside Stop lamp not working |1.2.1b| | 1583 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 1565 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 1516 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 1477 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 1264 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 1173 |
| Nearside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1163 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 1124 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 1101 |
| Parking brake: efficiency below requirements |3.7.B.7| | 1078 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 984 |
| Offside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 961 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 911 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 899 |
| Emissions not tested |7.0| | 889 |
| Registration plate issues | 866 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 844 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 796 |
| Service brake: efficiency below requirements |3.7.B.7| | 744 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 733 |
| Nearside Rear Stop lamp not working |1.2.1b| | 708 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 699 |
| Offside Rear Stop lamp not working |1.2.1b| | 682 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 664 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 631 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 617 |
| Rear parking brake recording little or no effort | 581 |
| Rear brake binding | 568 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 567 |
| Front brake disc in such a condition that it is seriously weakened | 509 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 493 |
| Offside Rear fog lamp not working |1.3.2b| | 484 |
| Anti-lock braking system warning lamp indicates an ABS fault | 469 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 466 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 460 |
| Rear brake application uneven | 423 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 402 |
| Front brake application uneven | 388 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 381 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 380 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 370 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 364 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 348 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 343 |
| Nearside Rear Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 343 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 334 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 332 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 329 |
| Offside front brake binding |3.7.B.1| | 322 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 318 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 316 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 315 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 314 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 313 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 306 |
| Nearside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 299 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 297 |
| Parking brake lever has no reserve travel |3.1.6b| | 296 |
| Windscreen has damage | 295 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 292 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 286 |
| Offside Rear Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 274 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 262 |
| Direction indicators incorrect colour |1.4.A.2f| | 237 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 234 |
| Nearside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 229 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 228 |
| Offside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 227 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 225 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 218 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 204 |
| Nearside Rear Radius arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 202 |
| Offside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 194 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 191 |
| Rear Direction indicator incorrect colour |1.4.A.2f| | 188 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 184 |
| Offside Front Direction indicators incorrect colour |1.4.A.2f| | 168 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 168 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 167 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 165 |
| Front Exhaust has part of the system excessively deteriorated |7.1.1a| | 163 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 160 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 160 |
| Windscreen wiper blade insecure | 159 |
| Nearside Front Direction indicators incorrect colour |1.4.A.2f| | 157 |
| Nearside Rear Trailing arm rubber bush bonding deteriorated resulting in excessive movement |2.4.G.2| | 153 |
| Offside Front front brake binding |3.7.B.1| | 152 |
| Nearside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 148 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 147 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 146 |
| Nearside Headlamp not working on main beam |1.7.5a| | 144 |
| Nearside Side repeater incorrect colour |1.4.A.2f| | 143 |
| Battery insecure |1.9.1| | 142 |
| Nearside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 142 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 142 |
| 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| | 139 |
| 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| | 138 |
| Nearside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 138 |
| Nearside Rear Trailing arm has excessive play in a pin/bush |2.4.G.2| | 137 |
| Offside Rear Radius arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 137 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 134 |
| Nearside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 134 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 134 |
| Nearside front brake binding |3.7.B.1| | 134 |
| Offside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 131 |
| Direction indicator incorrect colour |1.4.A.2f| | 129 |
| Offside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 126 |
| Offside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 121 |
| Rear Direction indicators incorrect colour |1.4.A.2f| | 120 |
| Offside Headlamp not working on main beam |1.7.5a| | 120 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 118 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 116 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 110 |
| Nearside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 110 |
| Offside Rear Trailing arm rubber bush bonding deteriorated resulting in excessive movement |2.4.G.2| | 107 |
| Offside Rear Trailing arm has excessive play in a pin/bush |2.4.G.2| | 106 |
| Offside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 104 |
| Centre Exhaust has part of the system excessively deteriorated |7.1.1a| | 103 |
| Mechanical brake component has restricted free movement | 100 |