| Most common failures | No# failures |
|---|
| Parking brake: efficiency below requirements |3.7.B.7| | 632 |
| Rear parking brake recording little or no effort | 349 |
| Windscreen wiper does not clear the windscreen effectively | 249 |
| Registration plate lamp issues | 234 |
| Headlamp aim out of alignment | 231 |
| Brake pipe excessively corroded | 187 |
| Parking brake lever has no reserve travel |3.1.6b| | 167 |
| Offside Stop lamp not working |1.2.1b| | 138 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 138 |
| Nearside Stop lamp not working |1.2.1b| | 129 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 129 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 86 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 81 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 75 |
| Registration plate issues | 68 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 63 |
| Offside Rear fog lamp not working |1.3.2b| | 63 |
| Brakes imbalanced across an axle | 55 |
| Nearside Rear Stop lamp not working |1.2.1b| | 52 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 47 |
| Offside Rear Stop lamp not working |1.2.1b| | 47 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 46 |
| Service brake: efficiency below requirements |3.7.B.7| | 45 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 40 |
| Anti-lock braking system warning lamp indicates an ABS fault | 36 |
| Nearside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 35 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 34 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 34 |
| Rear brake binding | 33 |
| Offside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 33 |
| Emissions not tested |7.0| | 31 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 26 |
| Windscreen has damage | 24 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 20 |
| Rear brake disc in such a condition that it is seriously weakened | 20 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 20 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 18 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 17 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 17 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 16 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 16 |
| Front brake application uneven | 16 |
| Brake pedal spongy |3.3.B.1b| | 15 |
| Nearside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 15 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 15 |
| Nearside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 15 |
| Front Exhaust system not adequately supported |7.1.1| | 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 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 14 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 14 |
| Rear brake disc excessively pitted |3.5.1h| | 13 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 13 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 13 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 13 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 12 |
| Rear Mechanical brake component has restricted free movement | 12 |
| Rear brake application uneven | 12 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 12 |
| Offside Outer Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 12 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 11 |
| Offside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 11 |
| Centre Stop lamp not working |1.2.1b| | 11 |
| Nearside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 10 |
| Windscreen wiper blade insecure | 10 |
| Stop lamp remains on when the brakes are released | 10 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 10 |
| Offside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 10 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 9 |
| 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| | 9 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 9 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 9 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 9 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 9 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 9 |
| Nearside Outer Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 9 |
| Rear Stop lamp not working |1.2.1b| | 8 |
| Nearside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 8 |
| Front brake disc in such a condition that it is seriously weakened | 8 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 8 |
| Offside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 8 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 8 |
| Offside Outer Front Front constant velocity joint gaiter split |2.5.C.1a| | 8 |
| Rear Exhaust system not adequately supported |7.1.1| | 8 |
| Nearside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 7 |
| 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| | 7 |
| Centre Exhaust system not adequately supported |7.1.1| | 7 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 7 |
| Brake pedal creeps down when held under pressure |3.3.B.1a| | 7 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 7 |
| Stop lamp not working |1.2.1b| | 7 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 7 |
| Parking brake: efficiency below requirements |3.7.D.4| | 7 |
| Offside Front Upper Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 7 |
| Battery insecure |1.9.1| | 7 |
| Nearside Headlamp not working on main beam |1.7.5a| | 7 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 7 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 7 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 7 |
| Offside Obligatory mirror insecure |8.1.1| | 7 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 6 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 6 |
| Nearside Rear Wheel nut|s| missing |4.2.A.1e| | 6 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 6 |
| rear brake recording little or no effort |3.7.B.5a| | 6 |
| Offside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 6 |
| Exhaust system not adequately supported |7.1.1| | 6 |
| Offside Front brake disc excessively pitted |3.5.1h| | 6 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 6 |
| Front constant velocity joint gaiter split |2.5.C.1a| | 6 |
| Nearside Front Upper Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 6 |
| Brake master cylinder fluid level below minimum level |3.6.G.1e| | 6 |