| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 2142 |
| Headlamp aim out of alignment | 1198 |
| Parking brake: efficiency below requirements |3.7.B.7| | 658 |
| Offside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 631 |
| Registration plate lamp issues | 621 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 591 |
| Nearside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 536 |
| Brake pipe excessively corroded | 467 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 445 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 425 |
| Registration plate issues | 383 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 316 |
| Brakes imbalanced across an axle | 297 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 297 |
| Rear brake disc in such a condition that it is seriously weakened | 281 |
| Offside Front Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 263 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 255 |
| Front brake disc in such a condition that it is seriously weakened | 251 |
| Rear parking brake recording little or no effort | 251 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 249 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 249 |
| Emissions not tested |7.0| | 239 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 236 |
| Nearside Front Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 218 |
| Nearside Stop lamp not working |1.2.1b| | 211 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 209 |
| Rear brake binding | 201 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 172 |
| Centre Rear Statutory seat belt missing |5.1.1| | 162 |
| Nearside Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 161 |
| Offside Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 155 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 150 |
| Offside Outer Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 143 |
| Parking brake lever has no reserve travel |3.1.6b| | 142 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 135 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 125 |
| Offside Front coil spring fractured |2.4.C.1a| | 124 |
| Offside Stop lamp not working |1.2.1b| | 121 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 120 |
| Nearside Outer Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 114 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 102 |
| Battery insecure |1.9.1| | 101 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 95 |
| Rear Exhaust system not adequately supported |7.1.1| | 92 |
| Offside Front coil spring broken |2.4.C.1a| | 91 |
| Brake hose excessively deteriorated | 87 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 87 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 87 |
| Nearside Front Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 86 |
| Nearside Rear Stop lamp not working |1.2.1b| | 83 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 83 |
| Offside Rear coil spring fractured |2.4.C.1a| | 80 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 80 |
| Offside Rear coil spring broken |2.4.C.1a| | 79 |
| Nearside Outer Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 78 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 76 |
| Nearside Front Steering rack gaiter split |2.2.D.2d| | 75 |
| Exhaust system not adequately supported |7.1.1| | 74 |
| Offside Front brake disc excessively pitted |3.5.1h| | 74 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 74 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 74 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 74 |
| Service brake: efficiency below requirements |3.7.B.7| | 74 |
| Nearside Front constant velocity joint is insecure |2.5.C.1b| | 72 |
| Offside Front coil spring incomplete |2.4.C.1a| | 72 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 71 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 71 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 71 |
| Windscreen has damage | 70 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 70 |
| Front brake application uneven | 69 |
| Offside Front constant velocity joint is insecure |2.5.C.1b| | 68 |
| Offside Rear Stop lamp not working |1.2.1b| | 68 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 68 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 67 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 67 |
| Nearside Front Front constant velocity joint is insecure |2.5.C.1b| | 67 |
| Nearside Rear coil spring fractured |2.4.C.1a| | 66 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 64 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 63 |
| Windscreen wiper blade insecure | 62 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 61 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 60 |
| Nearside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 60 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 60 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 58 |
| Exhaust tailpipe not capable of allowing the emission probe to be inserted |7.3.D.1| | 57 |
| Nearside Rear coil spring broken |2.4.C.1a| | 54 |
| Offside Outer Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 52 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 52 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 52 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 51 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 51 |
| Offside Front Front constant velocity joint is insecure |2.5.C.1b| | 51 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 50 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 50 |
| Offside Front Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 49 |
| Nearside Front Wheel bolt|s| missing |4.2.A.1e| | 48 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 48 |
| Rear brake disc excessively pitted |3.5.1h| | 48 |
| Centre Exhaust has part of the system excessively deteriorated |7.1.1a| | 48 |
| Centre Exhaust system not adequately supported |7.1.1| | 47 |
| Anti-lock braking system warning lamp indicates an ABS fault | 47 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 46 |
| Offside Rear coil spring incomplete |2.4.C.1a| | 45 |
| Nearside Front coil spring broken |2.4.C.1a| | 44 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 44 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 44 |
| Front brake disc excessively pitted |3.5.1h| | 42 |
| Rear Direction indicator incorrect colour |1.4.A.2f| | 40 |
| Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 39 |
| Nearside Front coil spring fractured |2.4.C.1a| | 38 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 38 |
| Rear Mechanical brake component has restricted free movement | 37 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 36 |
| Offside Front brake disc excessively scored |3.5.1h| | 36 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 35 |
| Centre Statutory seat belt missing |5.1.1| | 35 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 35 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 35 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 34 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 34 |
| Offside Rear fog lamp not working |1.3.2b| | 34 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 34 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 34 |
| Nearside Front Direction indicators incorrect colour |1.4.A.2f| | 33 |
| 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| | 33 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 32 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 32 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 30 |
| Nearside Headlamp not working on main beam |1.7.5a| | 30 |
| Nearside Front brake disc excessively scored |3.5.1h| | 30 |
| Offside Headlamp not working on main beam |1.7.5a| | 29 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 29 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 29 |
| 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| | 28 |
| Rear Direction indicators incorrect colour |1.4.A.2f| | 28 |
| Direction indicators incorrect colour |1.4.A.2f| | 27 |
| Offside Front Direction indicators incorrect colour |1.4.A.2f| | 27 |
| Emissions not tested |7.3.A.1| | 27 |
| Rear brake application uneven | 27 |
| Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b| | 27 |