| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 8195 |
| Registration plate lamp issues | 8056 |
| Headlamp aim out of alignment | 7816 |
| Brake pipe excessively corroded | 6206 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 5636 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 3541 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 3015 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 2916 |
| Brakes imbalanced across an axle | 2909 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 2900 |
| Offside Stop lamp not working |1.2.1b| | 2448 |
| Nearside Stop lamp not working |1.2.1b| | 2197 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 2112 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 2042 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 1859 |
| Parking brake: efficiency below requirements |3.7.B.7| | 1576 |
| Emissions not tested |7.0| | 1490 |
| Registration plate issues | 1441 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 1371 |
| Service brake: efficiency below requirements |3.7.B.7| | 1311 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 1230 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 1224 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 1178 |
| Rear parking brake recording little or no effort | 1178 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 1162 |
| Rear brake binding | 1067 |
| Offside Rear Stop lamp not working |1.2.1b| | 981 |
| Nearside Rear Stop lamp not working |1.2.1b| | 957 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 897 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 850 |
| Offside Rear fog lamp not working |1.3.2b| | 822 |
| Rear brake application uneven | 732 |
| Parking brake lever has no reserve travel |3.1.6b| | 730 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 664 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 626 |
| Front brake application uneven | 616 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 603 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 599 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 591 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 583 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 526 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 523 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 521 |
| Power steering pipe|s| or hose|s| leaking |2.3.3b| | 483 |
| Power steering pipe|s| or hose|s| leaking from a joint |2.3.3b| | 463 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 452 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 425 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 419 |
| Rear Direction indicator incorrect colour |1.4.A.2f| | 411 |
| Windscreen has damage | 400 |
| Centre Stop lamp not working |1.2.1b| | 388 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 381 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 379 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 378 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 367 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 364 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 361 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 346 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 329 |
| Windscreen wiper blade insecure | 317 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 317 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 313 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 301 |
| Nearside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 271 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 270 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 269 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 268 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 263 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 262 |
| Front brake disc in such a condition that it is seriously weakened | 259 |
| Battery insecure |1.9.1| | 256 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 256 |
| Offside front brake binding |3.7.B.1| | 252 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 252 |
| Front Exhaust has part of the system excessively deteriorated |7.1.1a| | 248 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 247 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 246 |
| Power steering component|s| leaking |2.3.3b| | 246 |
| Stop lamp not working |1.2.1b| | 232 |
| Nearside Side repeater not working |1.4.A.2c| | 227 |
| Rear Direction indicators incorrect colour |1.4.A.2f| | 226 |
| Nearside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 224 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 221 |
| Nearside Headlamp insecure |1.7.3| | 216 |
| Centre Exhaust has part of the system excessively deteriorated |7.1.1a| | 214 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 211 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 211 |
| Offside Side repeater not working |1.4.A.2c| | 209 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 208 |
| Nearside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 204 |
| Offside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 203 |
| 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| | 202 |
| Direction indicator incorrect colour |1.4.A.2f| | 200 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 197 |
| Offside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 197 |
| Offside Headlamp insecure |1.7.3| | 190 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 187 |
| 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| | 186 |
| Offside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 184 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 177 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 172 |
| Brake hose excessively deteriorated | 170 |
| Nearside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 168 |
| Nearside Side repeater insecure |1.4.A.2b| | 164 |
| Horn not working |1.6.2a| | 163 |
| Exhaust tailpipe not capable of allowing the emission probe to be inserted |7.3.D.1| | 151 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 147 |
| Rear Exhaust system not adequately supported |7.1.1| | 147 |