| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 782 |
| Windscreen wiper does not clear the windscreen effectively | 740 |
| Brakes imbalanced across an axle | 429 |
| Registration plate lamp issues | 308 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 290 |
| Brake pipe excessively corroded | 235 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 190 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 182 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 172 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 148 |
| Offside Rear fog lamp not working |1.3.2b| | 136 |
| Offside Stop lamp not working |1.2.1b| | 131 |
| Brake hose excessively deteriorated | 122 |
| Service brake: efficiency below requirements |3.7.B.7| | 117 |
| Registration plate issues | 114 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 112 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 107 |
| Emissions not tested |7.0| | 96 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 94 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 93 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 92 |
| Front brake application uneven | 92 |
| Nearside Stop lamp not working |1.2.1b| | 91 |
| Offside Front brake disc excessively pitted |3.5.1h| | 86 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 83 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 79 |
| Front brake disc in such a condition that it is seriously weakened | 76 |
| Horn not working |1.6.2a| | 75 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 71 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 71 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 70 |
| Offside front brake binding |3.7.B.1| | 69 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 65 |
| Nearside front brake binding |3.7.B.1| | 64 |
| Parking brake: efficiency below requirements |3.7.B.7| | 63 |
| Nearside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 59 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 53 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 51 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 50 |
| Rear parking brake recording little or no effort | 50 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 48 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 48 |
| Rear fog lamp not working |1.3.2b| | 44 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 41 |
| Offside Rear Stop lamp not working |1.2.1b| | 40 |
| Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 40 |
| Front brake disc excessively pitted |3.5.1h| | 39 |
| Nearside Rear Stop lamp not working |1.2.1b| | 39 |
| Nearside Front front brake binding |3.7.B.1| | 36 |
| Offside Front front brake binding |3.7.B.1| | 35 |
| Brake hydraulic reservoir fluid level below minimum level |3.6.G.1b| | 34 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 34 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 33 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 31 |
| Rear brake application uneven | 30 |
| Offside Headlamp insecure |1.7.3| | 29 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 29 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 28 |
| Windscreen has damage | 28 |
| Windscreen wiper blade insecure | 27 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 26 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 25 |
| Nearside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 24 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 24 |
| Offside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 24 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 24 |
| Offside Outer Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 23 |
| Fuel cap/sealing device missing |7.2.4a| | 23 |
| Offside Outer Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 23 |
| Offside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 23 |
| Rear brake binding | 22 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 22 |
| Offside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 22 |
| Nearside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 22 |
| Nearside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 22 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 22 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 22 |
| Nearside Headlamp insecure |1.7.3| | 21 |
| Nearside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 21 |
| Nearside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 21 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 20 |
| Mechanical brake component has restricted free movement | 20 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 20 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 20 |
| Offside Front Direction indicator not working |1.4.A.2c| | 20 |
| Offside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 19 |
| Centre Exhaust has part of the system excessively deteriorated |7.1.1a| | 19 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 19 |
| Nearside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 18 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 18 |
| Nearside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 18 |
| Offside Front coil spring incomplete |2.4.C.1a| | 18 |
| Fuel pipe leaking |7.2.3| | 17 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 17 |
| Offside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 17 |
| Offside Obligatory mirror missing |8.1.1| | 17 |
| Nearside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 16 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 16 |
| Front Exhaust has part of the system excessively deteriorated |7.1.1a| | 15 |
| Rear Rear fog lamp not working |1.3.2b| | 15 |
| Nearside Outer Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 15 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 15 |
| Nearside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 15 |
| Exhaust tailpipe not capable of allowing the emission probe to be inserted |7.3.D.1| | 14 |
| Offside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 14 |
| Offside Front coil spring fractured |2.4.C.1a| | 14 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 14 |
| Nearside 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 bearing rough when rotated |2.6.1| | 13 |
| Nearside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 13 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 13 |
| Nearside Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 13 |
| Brake pedal spongy |3.3.B.1b| | 13 |
| Offside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 13 |
| Offside Front coil spring broken |2.4.C.1a| | 12 |
| Nearside Inner Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 12 |
| Offside Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 12 |
| Nearside front brake juddering severely |3.7.A.2b| | 12 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 12 |