| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 21007 |
| Registration plate lamp issues | 19192 |
| Windscreen wiper does not clear the windscreen effectively | 16953 |
| Brake pipe excessively corroded | 10675 |
| Parking brake: efficiency below requirements |3.7.B.7| | 7524 |
| Offside Stop lamp not working |1.2.1b| | 7385 |
| Nearside Stop lamp not working |1.2.1b| | 7208 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 6602 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 6564 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 6266 |
| Brakes imbalanced across an axle | 6101 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 5881 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 5537 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 5438 |
| Registration plate issues | 5299 |
| Rear parking brake recording little or no effort | 4359 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 4111 |
| Nearside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 3981 |
| Offside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 3783 |
| Nearside Rear Stop lamp not working |1.2.1b| | 3407 |
| Offside Rear Stop lamp not working |1.2.1b| | 3350 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 3194 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 3152 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 3003 |
| Service brake: efficiency below requirements |3.7.B.7| | 2977 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 2957 |
| Centre Stop lamp not working |1.2.1b| | 2495 |
| Emissions not tested |7.0| | 2424 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 2245 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 2038 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 2033 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 2018 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 1990 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 1954 |
| Parking brake lever has no reserve travel |3.1.6b| | 1920 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 1796 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 1759 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 1756 |
| Offside Rear fog lamp not working |1.3.2b| | 1570 |
| Anti-lock braking system warning lamp indicates an ABS fault | 1543 |
| Rear brake binding | 1295 |
| Front brake application uneven | 1190 |
| Nearside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 1178 |
| Offside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 1177 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1165 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1161 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 1110 |
| Rear brake application uneven | 1087 |
| Nearside Front Steering rack gaiter split |2.2.D.2d| | 1078 |
| Stop lamp not working |1.2.1b| | 1023 |
| Nearside Rear Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1019 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 1009 |
| Windscreen has damage | 1002 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 1002 |
| Front brake disc in such a condition that it is seriously weakened | 984 |
| Offside front brake binding |3.7.B.1| | 981 |
| Offside Steering rack gaiter split |2.2.D.2d| | 976 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 970 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 936 |
| Offside Rear Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 920 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 920 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 900 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 856 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 790 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 761 |
| Horn not working |1.6.2a| | 758 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 758 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 756 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 725 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 723 |
| Rear fog lamp not working |1.3.2b| | 698 |
| Nearside Rear Radius arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 687 |
| Offside Rear Radius arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 644 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 641 |
| Offside Front Steering rack gaiter split |2.2.D.2d| | 638 |
| Nearside front brake binding |3.7.B.1| | 635 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 633 |
| Windscreen wiper blade insecure | 629 |
| Nearside Rear Trailing arm has excessive play in a pin/bush |2.4.G.2| | 629 |
| 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| | 615 |
| Rear Stop lamp not working |1.2.1b| | 608 |
| 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| | 606 |
| Centre Rear Stop lamp not working |1.2.1b| | 594 |
| Nearside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 588 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 586 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 576 |
| Offside Rear Trailing arm has excessive play in a pin/bush |2.4.G.2| | 564 |
| Offside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 553 |
| Nearside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 544 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 532 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 516 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 505 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 501 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 491 |
| Offside Front front brake binding |3.7.B.1| | 481 |
| Battery insecure |1.9.1| | 463 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 460 |
| Nearside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 459 |
| Offside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 449 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 448 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 442 |
| Offside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 438 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 434 |
| Front position lamp|s| not working |1.1.A.3b| | 424 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 422 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 417 |
| Nearside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 414 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 400 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 398 |
| Offside Rear Body has a sharp edge caused by corrosion |6.1.C.1| | 393 |
| Rear Exhaust system not adequately supported |7.1.1| | 391 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 384 |
| Exhaust tailpipe not capable of allowing the emission probe to be inserted |7.3.D.1| | 378 |
| Centre Exhaust has part of the system excessively deteriorated |7.1.1a| | 373 |
| Offside Headlamp not working on main beam |1.7.5a| | 372 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 371 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 371 |
| Offside Outer Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 371 |
| Nearside Rear Trailing arm rubber bush bonding deteriorated resulting in excessive movement |2.4.G.2| | 365 |
| Nearside Headlamp not working on main beam |1.7.5a| | 365 |
| Rear Direction indicator incorrect colour |1.4.A.2f| | 361 |
| Nearside Outer Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 359 |
| Offside Outer Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 348 |
| Offside Rear Trailing arm rubber bush bonding deteriorated resulting in excessive movement |2.4.G.2| | 341 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 341 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 339 |
| Offside Front coil spring fractured |2.4.C.1a| | 332 |