| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 2529 |
| Headlamp aim out of alignment | 2461 |
| Windscreen wiper does not clear the windscreen effectively | 2452 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 1813 |
| Brake pipe excessively corroded | 1388 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 1378 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 1039 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 927 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 925 |
| Offside Stop lamp not working |1.2.1b| | 811 |
| Brakes imbalanced across an axle | 800 |
| Nearside Stop lamp not working |1.2.1b| | 716 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 685 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 652 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 620 |
| Service brake: efficiency below requirements |3.7.B.7| | 597 |
| Parking brake: efficiency below requirements |3.7.B.7| | 545 |
| Emissions not tested |7.0| | 481 |
| Registration plate issues | 453 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 420 |
| Rear brake binding | 381 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 379 |
| Rear parking brake recording little or no effort | 376 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 343 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 342 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 318 |
| Offside Rear Stop lamp not working |1.2.1b| | 287 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 281 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 263 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 257 |
| Nearside Rear Stop lamp not working |1.2.1b| | 252 |
| Offside Rear fog lamp not working |1.3.2b| | 251 |
| Parking brake lever has no reserve travel |3.1.6b| | 240 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 239 |
| Rear brake application uneven | 238 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 233 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 219 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 210 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 194 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 179 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 168 |
| Front brake application uneven | 146 |
| Windscreen has damage | 143 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 142 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 140 |
| Centre Stop lamp not working |1.2.1b| | 122 |
| Rear Direction indicator incorrect colour |1.4.A.2f| | 117 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 114 |
| Windscreen wiper blade insecure | 114 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 110 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 109 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 108 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 99 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 99 |
| Battery insecure |1.9.1| | 98 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 93 |
| Front brake disc in such a condition that it is seriously weakened | 92 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 91 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 90 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 87 |
| Stop lamp not working |1.2.1b| | 85 |
| Front Exhaust has part of the system excessively deteriorated |7.1.1a| | 83 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 82 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 81 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 79 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 78 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 78 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 77 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 76 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 76 |
| Offside front brake binding |3.7.B.1| | 73 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 72 |
| Offside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 71 |
| Nearside Headlamp insecure |1.7.3| | 71 |
| Rear Direction indicators incorrect colour |1.4.A.2f| | 70 |
| Nearside Side repeater not working |1.4.A.2c| | 70 |
| Horn not working |1.6.2a| | 69 |
| Nearside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 69 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 67 |
| Nearside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 67 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 65 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 65 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 64 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 64 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 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| | 63 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 62 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 62 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 62 |
| 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| | 61 |
| Offside Side repeater not working |1.4.A.2c| | 60 |
| Nearside Side repeater insecure |1.4.A.2b| | 59 |
| Offside Headlamp insecure |1.7.3| | 58 |
| Nearside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 55 |
| Centre Exhaust has part of the system excessively deteriorated |7.1.1a| | 55 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 55 |
| Direction indicator incorrect colour |1.4.A.2f| | 54 |
| Offside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 53 |
| Power steering pipe|s| or hose|s| leaking |2.3.3b| | 50 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 49 |
| Power steering pipe|s| or hose|s| leaking from a joint |2.3.3b| | 48 |
| 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| | 48 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 48 |
| Rear Stop lamp not working |1.2.1b| | 48 |
| Exhaust tailpipe not capable of allowing the emission probe to be inserted |7.3.D.1| | 48 |