| Most common failures | No# failures |
|---|
| Parking brake: efficiency below requirements |3.7.B.7| | 5306 |
| Rear parking brake recording little or no effort | 2770 |
| Headlamp aim out of alignment | 2131 |
| Brake pipe excessively corroded | 2014 |
| Registration plate lamp issues | 1885 |
| Windscreen wiper does not clear the windscreen effectively | 1865 |
| Parking brake lever has no reserve travel |3.1.6b| | 1301 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 1240 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 1172 |
| Offside Stop lamp not working |1.2.1b| | 1115 |
| Nearside Stop lamp not working |1.2.1b| | 1010 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 687 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 638 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 579 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 549 |
| Offside Rear Stop lamp not working |1.2.1b| | 510 |
| Brakes imbalanced across an axle | 483 |
| Service brake: efficiency below requirements |3.7.B.7| | 465 |
| Nearside Rear Stop lamp not working |1.2.1b| | 437 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 431 |
| Registration plate issues | 416 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 360 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 357 |
| Rear brake binding | 327 |
| Nearside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 285 |
| Offside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 284 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 280 |
| Emissions not tested |7.0| | 274 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 264 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 230 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 225 |
| Rear brake disc in such a condition that it is seriously weakened | 189 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 183 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 181 |
| Offside Rear fog lamp not working |1.3.2b| | 169 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 155 |
| Anti-lock braking system warning lamp indicates an ABS fault | 154 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 151 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 149 |
| Windscreen has damage | 149 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 148 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 142 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 140 |
| Centre Stop lamp not working |1.2.1b| | 134 |
| Front brake disc in such a condition that it is seriously weakened | 114 |
| Stop lamp remains on when the brakes are released | 114 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 113 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 103 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 102 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 101 |
| Stop lamp not working |1.2.1b| | 100 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 99 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 92 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 92 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 92 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 90 |
| Nearside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 90 |
| Front brake application uneven | 90 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 89 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 89 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 88 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 88 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 87 |
| Rear brake application uneven | 87 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 86 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 85 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 82 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 79 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 79 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 74 |
| Offside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 73 |
| Windscreen wiper blade insecure | 71 |
| Offside front brake binding |3.7.B.1| | 70 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 67 |
| Offside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 67 |
| Offside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 66 |
| Nearside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 63 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 63 |
| Nearside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 62 |
| Rear Stop lamp not working |1.2.1b| | 62 |
| Battery insecure |1.9.1| | 62 |
| Exhaust system not adequately supported |7.1.1| | 60 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 60 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 60 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 59 |
| Nearside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 58 |
| Nearside front brake binding |3.7.B.1| | 57 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 57 |
| Front constant velocity joint gaiter split |2.5.C.1a| | 56 |
| Nearside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 56 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 55 |
| Rear Mechanical brake component has restricted free movement | 55 |
| Offside Front brake disc excessively pitted |3.5.1h| | 54 |
| 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| | 53 |
| Brake hose excessively deteriorated | 52 |
| Rear Exhaust system not adequately supported |7.1.1| | 52 |
| Front Exhaust system not adequately supported |7.1.1| | 51 |
| 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| | 51 |
| Centre Exhaust has part of the system excessively deteriorated |7.1.1a| | 50 |
| Offside Rear Wheel nut|s| missing |4.2.A.1e| | 50 |
| Anti-lock braking system warning lamp does not illuminate |3.4.1b| | 49 |
| Rear brake disc excessively pitted |3.5.1h| | 47 |
| Offside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 47 |
| Nearside Front Direction indicators incorrect colour |1.4.A.2f| | 47 |