| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 1170 |
| Registration plate lamp issues | 806 |
| Windscreen wiper does not clear the windscreen effectively | 684 |
| Brake pipe excessively corroded | 627 |
| Exhaust emits an excessive level of metered smoke for a non-turbo charged engine |7.4.B.3b| | 443 |
| Brakes imbalanced across an axle | 306 |
| Parking brake: efficiency below requirements |3.7.B.7| | 249 |
| Registration plate issues | 237 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 203 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 199 |
| Rear parking brake recording little or no effort | 158 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 147 |
| Nearside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 138 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 128 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 128 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 126 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 124 |
| Offside Stop lamp not working |1.2.1b| | 123 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 119 |
| Parking brake lever has no reserve travel |3.1.6b| | 110 |
| Nearside Stop lamp not working |1.2.1b| | 107 |
| Offside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 95 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 86 |
| Service brake: efficiency below requirements |3.7.B.7| | 77 |
| Rear brake application uneven | 75 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 72 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 70 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 63 |
| Nearside Rear Stop lamp not working |1.2.1b| | 61 |
| Offside Rear Stop lamp not working |1.2.1b| | 61 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 59 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 58 |
| Rear brake binding | 56 |
| Offside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 53 |
| Centre Stop lamp not working |1.2.1b| | 52 |
| Nearside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 50 |
| Front brake application uneven | 46 |
| Nearside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 44 |
| Offside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 42 |
| Nearside Rear Shock absorber has negligible damping effect |2.7.5| | 41 |
| Nearside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 41 |
| Offside Rear Shock absorber has negligible damping effect |2.7.5| | 40 |
| Windscreen has damage | 40 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 39 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 38 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 37 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 36 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 35 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 35 |
| Nearside Rear Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 35 |
| Offside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 35 |
| Nearside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 35 |
| Offside Rear fog lamp not working |1.3.2b| | 34 |
| Battery insecure |1.9.1| | 34 |
| Front position lamp|s| not working |1.1.A.3b| | 34 |
| Emissions not tested |7.0| | 32 |
| Windscreen wiper blade insecure | 32 |
| 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| | 32 |
| Nearside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 30 |
| Front brake disc in such a condition that it is seriously weakened | 29 |
| Horn not working |1.6.2a| | 29 |
| Offside Rear Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 28 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 28 |
| Offside front brake binding |3.7.B.1| | 27 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 27 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 26 |
| Offside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 25 |
| Offside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 25 |
| 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| | 25 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 25 |
| Offside Front coil spring fractured |2.4.C.1a| | 24 |
| Nearside Headlamp insecure |1.7.3| | 24 |
| Fuel pipe leaking |7.2.3| | 23 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 23 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 22 |
| Nearside Rear Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 22 |
| Nearside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 22 |
| Offside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 22 |
| Bonnet cannot be secured in the closed position |8.4.1| | 21 |
| Offside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 21 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 20 |
| Offside Headlamp insecure |1.7.3| | 20 |
| Offside Front Headlamp insecure |1.7.3| | 19 |
| Anti-lock braking system warning lamp indicates an ABS fault | 19 |
| Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 19 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 19 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 19 |
| Nearside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 18 |
| Nearside Front Headlamp insecure |1.7.3| | 18 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 18 |
| Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 18 |
| Offside Rear Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 17 |
| Offside Front front brake binding |3.7.B.1| | 17 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 16 |
| Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 16 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 16 |
| Brake performance not tested |3.7.A.1| | 16 |
| Brake hydraulic reservoir fluid level below minimum level |3.6.G.1b| | 16 |
| Mechanical brake component has restricted free movement | 16 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 15 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 15 |
| Nearside Front Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 15 |
| 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| | 15 |
| Brake pipe leaking |3.6.A.1| | 15 |
| Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 14 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 14 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 14 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 14 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 14 |
| Nearside front brake binding |3.7.B.1| | 14 |
| Offside Front brake disc excessively pitted |3.5.1h| | 13 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 13 |
| Rear Mechanical brake component has restricted free movement | 12 |
| Offside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 12 |
| Offside Outer Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 12 |
| Brake hose excessively deteriorated | 12 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 12 |
| Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 12 |
| Offside Front Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 12 |
| Nearside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 12 |
| Stop lamp not working |1.2.1b| | 12 |