| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 738 |
| Brake pipe excessively corroded | 717 |
| Windscreen wiper does not clear the windscreen effectively | 552 |
| Parking brake: efficiency below requirements |3.7.B.7| | 535 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 416 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 361 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 323 |
| Rear parking brake recording little or no effort | 277 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 258 |
| Parking brake lever has no reserve travel |3.1.6b| | 241 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 234 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 207 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 198 |
| Nearside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 191 |
| Registration plate lamp issues | 182 |
| Offside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 179 |
| Service brake: efficiency below requirements |3.7.B.7| | 178 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 164 |
| Registration plate issues | 163 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 158 |
| Brakes imbalanced across an axle | 157 |
| Rear brake binding | 153 |
| Nearside Stop lamp not working |1.2.1b| | 128 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 121 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 114 |
| Brake hose excessively deteriorated | 113 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 112 |
| Emissions not tested |7.0| | 105 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 102 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 99 |
| Offside Stop lamp not working |1.2.1b| | 95 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 87 |
| Anti-lock braking system warning lamp indicates an ABS fault | 82 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 80 |
| Nearside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 80 |
| Front brake disc in such a condition that it is seriously weakened | 79 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 76 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 71 |
| Offside Headlamp not working on main beam |1.7.5a| | 68 |
| Offside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 68 |
| Nearside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 65 |
| Rear brake disc in such a condition that it is seriously weakened | 64 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 61 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 60 |
| Offside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 59 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 58 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 56 |
| Offside Front brake disc excessively pitted |3.5.1h| | 54 |
| Nearside Headlamp not working on main beam |1.7.5a| | 53 |
| Windscreen has damage | 53 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 48 |
| Nearside Rear Stop lamp not working |1.2.1b| | 48 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 47 |
| Horn not working |1.6.2a| | 47 |
| Rear brake application uneven | 46 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 46 |
| Nearside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 46 |
| Battery insecure |1.9.1| | 45 |
| Offside Rear Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 43 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 42 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 42 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 42 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 40 |
| Nearside Rear Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 40 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 38 |
| Offside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 36 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 35 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 35 |
| Windscreen wiper blade insecure | 35 |
| Nearside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 35 |
| Offside Rear Stop lamp not working |1.2.1b| | 34 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 34 |
| Front brake application uneven | 34 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 33 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 32 |
| Rear brake disc excessively pitted |3.5.1h| | 31 |
| Offside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 30 |
| Offside Front coil spring fractured |2.4.C.1a| | 29 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 29 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 28 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 28 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 27 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 27 |
| Nearside Front position lamp|s| incorrect colour |1.1.A.3e| | 27 |
| Offside Front position lamp|s| incorrect colour |1.1.A.3e| | 27 |
| Rear Mechanical brake component has restricted free movement | 26 |
| Nearside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 26 |
| Front brake disc excessively pitted |3.5.1h| | 26 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 26 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 25 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 24 |
| Offside Rear brake caliper leaking |3.6.A.1| | 24 |
| Nearside Rear Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 22 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 22 |
| Rear Exhaust system not adequately supported |7.1.1| | 21 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 21 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 20 |
| Offside Rear Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 20 |
| Nearside Front coil spring fractured |2.4.C.1a| | 20 |
| Offside Front coil spring incomplete |2.4.C.1a| | 20 |
| Offside Front Anti-roll bar linkage insecure |2.4.G.1| | 20 |
| Front constant velocity joint gaiter split |2.5.C.1a| | 19 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 19 |
| Offside front brake binding |3.7.B.1| | 18 |
| Exhaust tailpipe not capable of allowing the emission probe to be inserted |7.3.D.1| | 18 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 18 |
| Offside Rear Braking system leaking |3.6.A.1| | 18 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 18 |
| Centre Exhaust has part of the system excessively deteriorated |7.1.1a| | 18 |
| Centre Exhaust system not adequately supported |7.1.1| | 18 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 17 |
| Offside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 17 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 17 |
| Nearside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 17 |
| Nearside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 17 |
| Nearside Front Wheel nut|s| missing |4.2.A.1e| | 17 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 17 |
| Offside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 17 |
| Nearside Front Seat belt locking mechanism does not secure or release |5.2.5a| | 16 |
| Offside Front brake disc excessively scored |3.5.1h| | 16 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 16 |
| Nearside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 15 |
| Nearside Front brake disc excessively scored |3.5.1h| | 15 |
| Exhaust system not adequately supported |7.1.1| | 15 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 15 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 15 |
| Offside Rear Wheel nut|s| missing |4.2.A.1e| | 15 |
| Nearside Rear Lower Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 14 |
| Offside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 14 |
| Offside Rear Anti-roll bar linkage fractured |2.4.G.1| | 14 |
| 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| | 14 |
| Nearside Rear Wheel nut|s| missing |4.2.A.1e| | 14 |