| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 4847 |
| Headlamp aim out of alignment | 3336 |
| Registration plate lamp issues | 3168 |
| Windscreen wiper does not clear the windscreen effectively | 3133 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 2612 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 1460 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 1435 |
| Brakes imbalanced across an axle | 1402 |
| Offside Stop lamp not working |1.2.1b| | 1133 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 1101 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 1048 |
| Nearside Stop lamp not working |1.2.1b| | 1047 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 919 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 874 |
| Nearside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 865 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 827 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 732 |
| Offside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 664 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 650 |
| Emissions not tested |7.0| | 622 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 614 |
| Service brake: efficiency below requirements |3.7.B.7| | 594 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 589 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 552 |
| Registration plate issues | 515 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 510 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 480 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 467 |
| Rear brake binding | 445 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 435 |
| Nearside Rear Stop lamp not working |1.2.1b| | 430 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 424 |
| Offside Rear Stop lamp not working |1.2.1b| | 423 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 423 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 407 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 402 |
| Offside Rear fog lamp not working |1.3.2b| | 392 |
| Parking brake: efficiency below requirements |3.7.B.7| | 382 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 369 |
| Rear brake application uneven | 354 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 320 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 313 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 310 |
| Front brake application uneven | 288 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 279 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 273 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 272 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 270 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 269 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 269 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 266 |
| Nearside Rear Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 261 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 261 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 253 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 246 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 241 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 234 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 226 |
| Rear parking brake recording little or no effort | 224 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 219 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 216 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 206 |
| Nearside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 205 |
| Parking brake lever has no reserve travel |3.1.6b| | 197 |
| Windscreen has damage | 193 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 193 |
| Offside Rear Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 182 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 181 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 178 |
| Nearside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 175 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 173 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 165 |
| Offside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 160 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 156 |
| Windscreen wiper blade insecure | 155 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 154 |
| Direction indicators incorrect colour |1.4.A.2f| | 153 |
| Front brake disc in such a condition that it is seriously weakened | 144 |
| Rear Direction indicator incorrect colour |1.4.A.2f| | 142 |
| Nearside Rear Radius arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 140 |
| Offside Front Direction indicators incorrect colour |1.4.A.2f| | 140 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 139 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 133 |
| Nearside Front Direction indicators incorrect colour |1.4.A.2f| | 132 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 122 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 121 |
| Offside front brake binding |3.7.B.1| | 121 |
| Battery insecure |1.9.1| | 120 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 118 |
| Nearside Side repeater incorrect colour |1.4.A.2f| | 115 |
| Nearside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 112 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 110 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 108 |
| Rear Direction indicators incorrect colour |1.4.A.2f| | 107 |
| 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| | 106 |
| Nearside Headlamp not working on main beam |1.7.5a| | 105 |
| Nearside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 103 |
| Offside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 102 |
| Front Exhaust has part of the system excessively deteriorated |7.1.1a| | 101 |
| Nearside Rear Trailing arm rubber bush bonding deteriorated resulting in excessive movement |2.4.G.2| | 98 |
| Offside Rear Radius arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 97 |
| Nearside Rear Trailing arm has excessive play in a pin/bush |2.4.G.2| | 97 |
| Nearside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 96 |
| Offside Rear Trailing arm rubber bush bonding deteriorated resulting in excessive movement |2.4.G.2| | 94 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 94 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 92 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 92 |
| 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| | 90 |
| Centre Stop lamp insecure |1.2.1a| | 86 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 85 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 83 |
| Offside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 82 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 82 |
| Offside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 80 |
| Nearside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 79 |
| Power steering pipe|s| or hose|s| leaking from a joint |2.3.3b| | 78 |
| Offside Rear Trailing arm has excessive play in a pin/bush |2.4.G.2| | 78 |
| Power steering pipe|s| or hose|s| leaking |2.3.3b| | 78 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 76 |
| Offside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 76 |
| Direction indicator incorrect colour |1.4.A.2f| | 74 |
| Nearside Outer Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 74 |
| Offside Headlamp not working on main beam |1.7.5a| | 72 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 71 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 71 |
| Offside Front Side repeater incorrect colour |1.4.A.2f| | 71 |
| Offside Front front brake binding |3.7.B.1| | 68 |