| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 8091 |
| Headlamp aim out of alignment | 4959 |
| Windscreen wiper does not clear the windscreen effectively | 4024 |
| Registration plate lamp issues | 3738 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 3605 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 1970 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 1945 |
| Brakes imbalanced across an axle | 1690 |
| Offside Stop lamp not working |1.2.1b| | 1395 |
| Nearside Stop lamp not working |1.2.1b| | 1350 |
| Nearside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1350 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 1252 |
| Service brake: efficiency below requirements |3.7.B.7| | 1215 |
| Rear brake binding | 1095 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 1085 |
| Offside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1079 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 1014 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 899 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 884 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 860 |
| Emissions not tested |7.0| | 833 |
| Registration plate issues | 823 |
| Parking brake: efficiency below requirements |3.7.B.7| | 812 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 783 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 775 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 712 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 671 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 670 |
| Rear brake application uneven | 661 |
| Offside Rear Stop lamp not working |1.2.1b| | 642 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 616 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 605 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 600 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 584 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 583 |
| Nearside Rear Stop lamp not working |1.2.1b| | 564 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 544 |
| Rear parking brake recording little or no effort | 523 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 517 |
| Nearside Rear Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 474 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 442 |
| Nearside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 438 |
| Offside Rear fog lamp not working |1.3.2b| | 431 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 415 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 398 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 395 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 389 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 384 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 381 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 355 |
| Offside Rear Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 355 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 332 |
| Front brake application uneven | 321 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 306 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 304 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 291 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 289 |
| Windscreen has damage | 288 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 279 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 266 |
| Parking brake lever has no reserve travel |3.1.6b| | 259 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 249 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 239 |
| Nearside Rear Radius arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 237 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 232 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 231 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 222 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 205 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 202 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 201 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 194 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 191 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 189 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 186 |
| Offside Rear Radius arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 185 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 183 |
| Windscreen wiper blade insecure | 181 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 179 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 177 |
| Offside front brake binding |3.7.B.1| | 176 |
| Nearside Rear Trailing arm has excessive play in a pin/bush |2.4.G.2| | 168 |
| Front brake disc in such a condition that it is seriously weakened | 168 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 167 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 163 |
| Offside Front Direction indicators incorrect colour |1.4.A.2f| | 162 |
| Power steering pipe|s| or hose|s| leaking from a joint |2.3.3b| | 157 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 157 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 155 |
| Nearside Front Direction indicators incorrect colour |1.4.A.2f| | 152 |
| Nearside Rear Trailing arm rubber bush bonding deteriorated resulting in excessive movement |2.4.G.2| | 152 |
| Rear Mechanical brake component has restricted free movement | 150 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 148 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 147 |
| Nearside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 147 |
| Power steering pipe|s| or hose|s| leaking |2.3.3b| | 145 |
| Front Exhaust has part of the system excessively deteriorated |7.1.1a| | 145 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 144 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 140 |
| Nearside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 139 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 139 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 139 |
| Nearside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 137 |
| Offside Rear Trailing arm rubber bush bonding deteriorated resulting in excessive movement |2.4.G.2| | 134 |
| Direction indicators 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| | 129 |
| Nearside Side repeater incorrect colour |1.4.A.2f| | 125 |
| Nearside Headlamp not working on main beam |1.7.5a| | 119 |
| Offside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 117 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 116 |
| Centre Exhaust has part of the system excessively deteriorated |7.1.1a| | 115 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 115 |
| Offside Headlamp not working on main beam |1.7.5a| | 111 |
| Offside Rear Trailing arm has excessive play in a pin/bush |2.4.G.2| | 110 |
| Direction indicator incorrect colour |1.4.A.2f| | 105 |
| Front Direction indicator incorrect colour |1.4.A.2f| | 104 |
| Nearside Rear Bonded suspension unit bonding failed and part of unit is likely to become displaced |2.4.F.2| | 101 |
| Rear Direction indicator incorrect colour |1.4.A.2f| | 100 |
| Exhaust tailpipe not capable of allowing the emission probe to be inserted |7.3.D.1| | 99 |
| Headlamp not in good working order adversely affecting beam image |1.2.4a| | 99 |
| Battery insecure |1.9.1| | 97 |
| Offside Front front brake binding |3.7.B.1| | 96 |
| Offside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 96 |
| Nearside Rear Body has a sharp edge caused by corrosion |6.1.C.1| | 91 |