| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 1847 |
| Windscreen wiper does not clear the windscreen effectively | 533 |
| Headlamp aim out of alignment | 456 |
| Registration plate lamp issues | 379 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 240 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 207 |
| Offside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 201 |
| Nearside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 196 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 195 |
| Offside Stop lamp not working |1.2.1b| | 193 |
| Brakes imbalanced across an axle | 179 |
| Nearside Stop lamp not working |1.2.1b| | 179 |
| Registration plate issues | 178 |
| Nearside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 163 |
| Offside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 160 |
| Offside Rear fog lamp not working |1.3.2b| | 158 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 145 |
| Rear brake binding | 137 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 130 |
| Service brake: efficiency below requirements |3.7.B.7| | 122 |
| Parking brake: efficiency below requirements |3.7.B.7| | 104 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 98 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 90 |
| Nearside Rear Stop lamp not working |1.2.1b| | 82 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 77 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 76 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 76 |
| Emissions not tested |7.0| | 74 |
| Offside Rear Stop lamp not working |1.2.1b| | 71 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 69 |
| Nearside Rear coil spring fractured |2.4.C.1a| | 67 |
| Nearside Outer Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 64 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 63 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 63 |
| Nearside front brake binding |3.7.B.1| | 63 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 63 |
| Offside Outer Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 61 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 61 |
| Anti-lock braking system warning lamp indicates an ABS fault | 60 |
| Battery insecure |1.9.1| | 55 |
| Offside Outer Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 52 |
| Nearside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 51 |
| Offside front brake binding |3.7.B.1| | 49 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 49 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 49 |
| Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 48 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 48 |
| Nearside Outer Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 48 |
| Offside Front Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 46 |
| Nearside Front Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 46 |
| Rear fog lamp not working |1.3.2b| | 44 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 44 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 43 |
| Nearside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 43 |
| Rear brake disc in such a condition that it is seriously weakened | 42 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 42 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 41 |
| Offside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 41 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 41 |
| Horn not working |1.6.2a| | 41 |
| Nearside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 40 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 40 |
| Nearside Front Steering pivot point has excessive play |2.2.B.1g| | 40 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 40 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 39 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 39 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 38 |
| Offside Rear coil spring broken |2.4.C.1a| | 38 |
| Nearside Rear coil spring broken |2.4.C.1a| | 37 |
| Brake performance not tested |3.7.A.1| | 37 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 37 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 36 |
| Rear parking brake recording little or no effort | 36 |
| Nearside Front Shock absorber has an excessively worn bush |2.7.4| | 36 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 36 |
| Nearside Inner Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 35 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 34 |
| Parking brake lever has no reserve travel |3.1.6b| | 34 |
| Nearside Headlamp not working on main beam |1.7.5a| | 34 |
| Nearside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 34 |
| Rear Exhaust system not adequately supported |7.1.1| | 34 |
| Nearside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 33 |
| Nearside Front front brake binding |3.7.B.1| | 33 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 33 |
| Service brake: efficiency below requirements |3.7.C.1a| | 32 |
| Nearside Steering pivot point has excessive play |2.2.B.1g| | 32 |
| Rear Mechanical brake component has restricted free movement | 31 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 31 |
| Offside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 30 |
| Fuel tank leaking |7.2.3| | 30 |
| Mechanical brake component has restricted free movement | 28 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 27 |
| Nearside Inner Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 27 |
| Rear brake application uneven | 27 |
| Offside Headlamp not working on main beam |1.7.5a| | 27 |
| Rear fog lamp tell tale not working |1.3.1b| | 27 |
| Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 26 |
| Nearside Outer Track rod end ball joint has excessive play |2.2.B.1f| | 26 |
| Offside Front front brake binding |3.7.B.1| | 26 |
| Offside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 26 |
| Front brake disc in such a condition that it is seriously weakened | 25 |
| Nearside Rear coil spring incomplete |2.4.C.1a| | 25 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 25 |
| Brake hose excessively deteriorated | 24 |
| Offside Front Ball joint has excessive play |2.2.B.1f| | 24 |
| Nearside Front Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 24 |
| Nearside Front Lower Shock absorber has an excessively worn bush |2.7.4| | 23 |
| Exhaust system not adequately supported |7.1.1| | 23 |
| Offside Rear coil spring fractured |2.4.C.1a| | 23 |
| Front brake application uneven | 23 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 23 |
| Offside Front Drag link end ball joint has excessive play |2.2.B.1f| | 23 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 22 |
| Windscreen has damage | 21 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 21 |
| Offside Front Shock absorber has negligible damping effect |2.7.5| | 21 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 21 |
| 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| | 21 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 21 |
| Offside Outer Track rod end ball joint has excessive play |2.2.B.1f| | 20 |
| Offside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 20 |
| Front Exhaust has part of the system excessively deteriorated |7.1.1a| | 20 |
| Nearside Outer Front Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 20 |
| Offside Outer Front Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 20 |
| Power steering component|s| leaking |2.3.3b| | 20 |
| Nearside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 20 |
| Brake load sensing valve linkage seized |3.6.E.3| | 20 |
| Nearside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 19 |
| Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 19 |
| Centre Exhaust system not adequately supported |7.1.1| | 19 |
| Offside Rear Brake pipe inadequately clipped |3.6.B.1| | 18 |
| Offside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 18 |
| Windscreen wiper blade insecure | 18 |
| Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 18 |
| Nearside Rear Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 18 |
| Nearside Rear Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 18 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 18 |
| Offside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 17 |
| Fuel pipe leaking |7.2.3| | 17 |
| Offside Inner Track rod end ball joint has excessive play |2.2.B.1f| | 17 |
| Nearside Front Ball joint has excessive play |2.2.B.1f| | 17 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 17 |
| Nearside Rear Brake pipe leaking |3.6.A.1| | 16 |
| Nearside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 16 |
| Nearside Front Drag link end ball joint has excessive play |2.2.B.1f| | 16 |
| Exhaust tailpipe not capable of allowing the emission probe to be inserted |7.4.B.1| | 16 |
| Offside Front Shock absorber has an excessively worn bush |2.7.4| | 16 |
| 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| | 16 |
| Nearside Front Anti-roll bar linkage rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 16 |
| Steering box has a significant oil leak |2.2.D.2e| | 16 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 15 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 15 |
| Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 15 |
| Rear Rear fog lamp not working |1.3.2b| | 15 |
| Nearside Front Inner Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 15 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 15 |
| Ball joint has excessive play |2.2.B.1f| | 14 |
| Steering system has excessive free play detected at the steering wheel |steering box fitted| |2.2.A.1a| | 14 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 14 |
| Centre Exhaust has part of the system excessively deteriorated |7.1.1a| | 14 |
| Offside Rear Brake pipe leaking |3.6.A.1| | 14 |
| Offside Rear Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 14 |
| Nearside Rear Seat belt retracting mechanism defective |5.2.5b| | 14 |
| Nearside Rear Vehicle structure excessively corroded within 30cm of towbar mounting |6.6.6| | 14 |
| Offside Front Lower Ball joint has excessive play |2.2.B.1f| | 14 |
| Nearside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 14 |
| Brake load sensing valve seized |3.6.E.3| | 14 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 14 |
| Nearside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 13 |
| Offside Inner Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 13 |
| Offside Front Anti-roll bar linkage rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 13 |
| Offside Rear Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 13 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 13 |
| Horn not loud enough to be heard by another road user |1.6.2b| | 13 |
| Nearside Front Shock absorber has negligible damping effect |2.7.5| | 13 |
| Nearside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 13 |