| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 11934 |
| Windscreen wiper does not clear the windscreen effectively | 7100 |
| Headlamp aim out of alignment | 6558 |
| Brake pipe excessively corroded | 3572 |
| Rear brake binding | 3320 |
| Parking brake: efficiency below requirements |3.7.B.7| | 1804 |
| Brakes imbalanced across an axle | 1788 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 1648 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 1545 |
| Rear brake disc in such a condition that it is seriously weakened | 1491 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 1461 |
| Registration plate issues | 1415 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 1349 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 1302 |
| Offside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 1293 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 1225 |
| Nearside Stop lamp not working |1.2.1b| | 1208 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 1174 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 1165 |
| Front brake disc in such a condition that it is seriously weakened | 1162 |
| Offside Stop lamp not working |1.2.1b| | 1138 |
| Nearside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 1131 |
| Rear parking brake recording little or no effort | 1130 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 1111 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 1088 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 1061 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 1033 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 993 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 975 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 974 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 951 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 919 |
| Centre Stop lamp not working |1.2.1b| | 776 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 773 |
| Offside Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 625 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 576 |
| Nearside Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 566 |
| Offside Front Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 555 |
| Rear Mechanical brake component has restricted free movement | 528 |
| Offside Front coil spring broken |2.4.C.1a| | 527 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 520 |
| Nearside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 519 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 500 |
| Front brake application uneven | 486 |
| Nearside Rear Stop lamp not working |1.2.1b| | 481 |
| Nearside Front Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 470 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 454 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 453 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 452 |
| Anti-lock braking system warning lamp indicates an ABS fault | 448 |
| Battery insecure |1.9.1| | 435 |
| Offside Rear Stop lamp not working |1.2.1b| | 411 |
| Nearside Rear coil spring broken |2.4.C.1a| | 393 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 386 |
| Nearside Front coil spring broken |2.4.C.1a| | 368 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 364 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 342 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 336 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 332 |
| Nearside Outer Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 321 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 316 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 312 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 306 |
| Service brake: efficiency below requirements |3.7.B.7| | 305 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 304 |
| Offside Outer Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 297 |
| Electronic parking brake warning indicates a malfunction |3.1.7| | 293 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 290 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 289 |
| Offside Front coil spring fractured |2.4.C.1a| | 279 |
| Offside Outer Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 277 |
| Nearside Front Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 272 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 270 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 258 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 256 |
| Nearside Outer Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 252 |
| Offside Front Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 252 |
| Offside Rear coil spring broken |2.4.C.1a| | 249 |
| Parking brake lever has no reserve travel |3.1.6b| | 243 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 225 |
| Offside Front coil spring incomplete |2.4.C.1a| | 220 |
| Windscreen has damage | 220 |
| Offside Front brake disc excessively pitted |3.5.1h| | 217 |
| Exhaust system not adequately supported |7.1.1| | 215 |
| Windscreen wiper blade insecure | 212 |
| Windscreen washer not working | 210 |
| Offside Rear fog lamp not working |1.3.2b| | 209 |
| Stop lamp not working |1.2.1b| | 209 |
| Horn not working |1.6.2a| | 196 |
| Nearside Front Ball joint has excessive play |2.2.B.1f| | 195 |
| Front brake excessively fluctuating | 193 |
| Rear brake application uneven | 191 |
| Offside front brake binding |3.7.B.1| | 189 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 185 |
| Nearside Front Lower Ball joint has excessive play |2.2.B.1f| | 180 |
| Nearside Rear Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 180 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 180 |
| Offside Front Ball joint has excessive play |2.2.B.1f| | 178 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 175 |
| Nearside Front constant velocity joint is insecure |2.5.C.1b| | 174 |
| Nearside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 170 |
| Nearside Rear coil spring fractured |2.4.C.1a| | 167 |
| Offside Front constant velocity joint is insecure |2.5.C.1b| | 166 |
| Nearside Rear Direction indicator adversely affected by the operation of another lamp |1.4.A.2h| | 166 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 165 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 162 |
| Rear Exhaust system not adequately supported |7.1.1| | 159 |