| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 419 |
| Windscreen wiper does not clear the windscreen effectively | 411 |
| Brake pipe excessively corroded | 182 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 177 |
| Registration plate lamp issues | 163 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 138 |
| Offside Stop lamp not working |1.2.1b| | 119 |
| Brake hose excessively deteriorated | 117 |
| Brakes imbalanced across an axle | 112 |
| Horn not working |1.6.2a| | 105 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 97 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 89 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 80 |
| Registration plate issues | 69 |
| Service brake: efficiency below requirements |3.7.B.7| | 64 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 64 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 63 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 61 |
| Emissions not tested |7.0| | 59 |
| Nearside Stop lamp not working |1.2.1b| | 59 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 58 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 55 |
| Offside Rear fog lamp not working |1.3.2b| | 52 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 51 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 46 |
| Parking brake: efficiency below requirements |3.7.B.7| | 41 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 41 |
| Nearside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 37 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 36 |
| Nearside Rear Stop lamp not working |1.2.1b| | 33 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 33 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 33 |
| Offside Rear Stop lamp not working |1.2.1b| | 29 |
| Nearside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 27 |
| Rear fog lamp not working |1.3.2b| | 25 |
| Windscreen wiper blade insecure | 23 |
| Nearside Front Sub-frame corroded and seriously weakened |2.4.G.1| | 22 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 22 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 22 |
| Rear parking brake recording little or no effort | 21 |
| Offside Front coil spring incomplete |2.4.C.1a| | 21 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 21 |
| Rear brake application uneven | 21 |
| Nearside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 20 |
| Offside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 20 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 19 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 19 |
| Offside Front coil spring fractured |2.4.C.1a| | 18 |
| Front Sub-frame corroded and seriously weakened |2.4.G.1| | 18 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 17 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 16 |
| Front brake application uneven | 16 |
| Brake hydraulic reservoir fluid level below minimum level |3.6.G.1b| | 16 |
| Offside Front Direction indicator insecure |1.4.A.2b| | 15 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 15 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 15 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 15 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 14 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 14 |
| Offside Rear Body has a sharp edge caused by corrosion |6.1.C.1| | 14 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 13 |
| 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| | 13 |
| Nearside Front coil spring incomplete |2.4.C.1a| | 13 |
| Nearside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 13 |
| Windscreen has damage | 13 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 12 |
| Offside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 12 |
| Fuel cap/sealing device missing |7.2.4a| | 12 |
| Offside Front front brake binding |3.7.B.1| | 12 |
| Offside Front coil spring broken |2.4.C.1a| | 11 |
| Nearside Front Direction indicator insecure |1.4.A.2b| | 11 |
| Nearside Front coil spring fractured |2.4.C.1a| | 11 |
| Offside front brake binding |3.7.B.1| | 11 |
| Front Exhaust has part of the system excessively deteriorated |7.1.1a| | 11 |
| Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 11 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 11 |
| Nearside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 11 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 11 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 11 |
| Exhaust tailpipe not capable of allowing the emission probe to be inserted |7.3.D.1| | 11 |
| Offside Front Seat belt retracting mechanism defective |5.2.5b| | 10 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 10 |
| Battery insecure |1.9.1| | 10 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 10 |
| Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 9 |
| Nearside Front Direction indicator incomplete |1.5.A1b| | 9 |
| Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 9 |
| Nearside front brake binding |3.7.B.1| | 9 |
| Offside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 9 |
| Offside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 8 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 8 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 8 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 8 |
| Offside Front Seat belt locking mechanism does not secure or release |5.2.5a| | 8 |
| Rear Stop lamp not working |1.2.1b| | 8 |
| Nearside Outer Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 7 |
| Fuel pipe leaking |7.2.3| | 7 |
| Nearside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 7 |
| Offside Outer Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 7 |
| Stop lamp not working |1.2.1b| | 7 |
| Offside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 7 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 7 |
| Centre Exhaust has part of the system excessively deteriorated |7.1.1a| | 7 |
| Nearside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 7 |
| Nearside Rear Upper Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 7 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 7 |
| Offside Front Lower Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 7 |
| Offside Outer Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 7 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 7 |
| Offside Rear Lower Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 7 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 7 |