| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 6099 |
| Brake pipe excessively corroded | 3896 |
| Windscreen wiper does not clear the windscreen effectively | 3816 |
| Anti-lock braking system warning lamp indicates an ABS fault | 3239 |
| Headlamp aim out of alignment | 2979 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 2917 |
| Nearside Stop lamp not working |1.2.1b| | 1980 |
| Offside Stop lamp not working |1.2.1b| | 1965 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 1551 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 1492 |
| Registration plate issues | 1484 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 1471 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 1434 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 1342 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 1275 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 1267 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 1244 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 1225 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 1138 |
| Parking brake: efficiency below requirements |3.7.B.7| | 1073 |
| Centre Exhaust system not adequately supported |7.1.1| | 1072 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 1051 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 992 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 877 |
| Brake hose excessively deteriorated | 872 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 842 |
| Centre Stop lamp not working |1.2.1b| | 835 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 784 |
| Offside Rear fog lamp not working |1.3.2b| | 770 |
| Nearside Rear Stop lamp not working |1.2.1b| | 760 |
| Exhaust system not adequately supported |7.1.1| | 734 |
| Front Exhaust system not adequately supported |7.1.1| | 723 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 720 |
| Offside Rear Stop lamp not working |1.2.1b| | 682 |
| Nearside Front Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 590 |
| Rear parking brake recording little or no effort | 586 |
| Stop lamp not working |1.2.1b| | 537 |
| Offside Front Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 533 |
| Emissions not tested |7.0| | 498 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 495 |
| Front brake disc in such a condition that it is seriously weakened | 495 |
| Brakes imbalanced across an axle | 461 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 453 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 432 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 410 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 408 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 402 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 395 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 388 |
| Direction indicators incorrect colour |1.4.A.2f| | 382 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 374 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 362 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 344 |
| Windscreen has damage | 339 |
| Offside Front Direction indicators incorrect colour |1.4.A.2f| | 334 |
| Nearside Front Direction indicators incorrect colour |1.4.A.2f| | 329 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 316 |
| Offside Steering rack gaiter split |2.2.D.2d| | 299 |
| Centre Exhaust mounting missing |7.1.1b| | 299 |
| Rear Exhaust has a part missing |7.1.1a| | 297 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 276 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 273 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 270 |
| Battery insecure |1.9.1| | 258 |
| Service brake: efficiency below requirements |3.7.B.7| | 244 |
| Rear fog lamp not working |1.3.2b| | 234 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 233 |
| Rear Stop lamp not working |1.2.1b| | 233 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 221 |
| Centre Rear Stop lamp not working |1.2.1b| | 215 |
| Rear brake binding | 197 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 194 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 194 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 182 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 179 |
| Nearside Front Steering rack gaiter split |2.2.D.2d| | 179 |
| Windscreen wiper blade insecure | 173 |
| Nearside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 166 |
| Nearside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 165 |
| Offside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 164 |
| Offside Front Steering rack gaiter split |2.2.D.2d| | 162 |
| Offside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 161 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 159 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 153 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 153 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 153 |
| Offside Front Anti-roll bar linkage ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 147 |
| Offside Front Anti-roll bar linkage ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 146 |
| Exhaust mounting missing |7.1.1b| | 144 |
| Offside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 141 |
| Rear brake disc in such a condition that it is seriously weakened | 138 |
| Anti-lock braking system warning lamp does not illuminate |3.4.1b| | 138 |
| Nearside Front Anti-roll bar linkage ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 138 |
| Horn not working |1.6.2a| | 137 |
| Nearside Front Anti-roll bar linkage ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 137 |
| Rear Direction indicator incorrect colour |1.4.A.2f| | 134 |
| Stop lamp remains on when the brakes are released | 134 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 132 |
| Rear Exhaust system not adequately supported |7.1.1| | 129 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 127 |
| Exhaust has a part missing |7.1.1a| | 127 |
| Offside Obligatory mirror insecure |8.1.1| | 127 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 126 |
| Rear fog lamp tell tale not working |1.3.1b| | 126 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 126 |
| Offside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 122 |
| Offside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 121 |
| Front Direction indicator incorrect colour |1.4.A.2f| | 114 |
| Direction indicator incorrect colour |1.4.A.2f| | 109 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 109 |
| Offside Front Direction indicator not working |1.4.A.2c| | 108 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 107 |
| Rear Direction indicators incorrect colour |1.4.A.2f| | 105 |
| Nearside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 104 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 103 |
| Nearside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 101 |
| Rear Rear fog lamp not working |1.3.2b| | 101 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 100 |
| Centre Exhaust has part of the system excessively deteriorated |7.1.1a| | 99 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 98 |
| Offside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 98 |
| Offside Front Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 98 |
| Nearside Inner Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 98 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 98 |
| Offside Front Anti-roll bar ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 98 |
| Nearside Inner Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 97 |
| Offside Rear Seat belt locking mechanism does not secure or release |5.2.5a| | 93 |
| Front brake application uneven | 92 |
| Front Exhaust mounting missing |7.1.1b| | 91 |
| Nearside Front Anti-roll bar ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 91 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 90 |
| Parking brake lever has no reserve travel |3.1.6b| | 90 |
| Nearside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 90 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 89 |
| Nearside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 88 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 88 |
| Rear Exhaust mounting missing |7.1.1b| | 87 |