| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 1417 |
| Windscreen wiper does not clear the windscreen effectively | 1336 |
| Registration plate lamp issues | 1314 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 1116 |
| Parking brake: efficiency below requirements |3.7.B.7| | 926 |
| Brake pipe excessively corroded | 860 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 627 |
| Rear parking brake recording little or no effort | 575 |
| Brakes imbalanced across an axle | 575 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 563 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 501 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 496 |
| Offside Stop lamp not working |1.2.1b| | 402 |
| Service brake: efficiency below requirements |3.7.B.7| | 371 |
| Nearside Stop lamp not working |1.2.1b| | 371 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 366 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 289 |
| Registration plate issues | 280 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 267 |
| Rear brake binding | 241 |
| Parking brake lever has no reserve travel |3.1.6b| | 234 |
| Emissions not tested |7.0| | 228 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 212 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 212 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 209 |
| Offside Rear fog lamp not working |1.3.2b| | 188 |
| Offside Rear Stop lamp not working |1.2.1b| | 165 |
| Nearside Rear Stop lamp not working |1.2.1b| | 156 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 153 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 140 |
| Front brake application uneven | 138 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 135 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 123 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 123 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 117 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 112 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 110 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 103 |
| Rear brake application uneven | 98 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 94 |
| Offside front brake binding |3.7.B.1| | 93 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 88 |
| Windscreen has damage | 84 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 82 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 82 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 82 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 78 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 77 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 75 |
| Battery insecure |1.9.1| | 73 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 69 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 69 |
| Windscreen wiper blade insecure | 69 |
| Front brake disc in such a condition that it is seriously weakened | 68 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 66 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 63 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 63 |
| Rear Direction indicator incorrect colour |1.4.A.2f| | 62 |
| Power steering pipe|s| or hose|s| leaking from a joint |2.3.3b| | 59 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 59 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 57 |
| Centre Stop lamp not working |1.2.1b| | 56 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 56 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 56 |
| Anti-lock braking system warning lamp indicates an ABS fault | 55 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 55 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 52 |
| Power steering pipe|s| or hose|s| leaking |2.3.3b| | 49 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 47 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 46 |
| Offside Headlamp insecure |1.7.3| | 46 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 46 |
| Horn not working |1.6.2a| | 45 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 44 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 44 |
| Rear Mechanical brake component has restricted free movement | 43 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 43 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 41 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 41 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 41 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 39 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 38 |
| Rear Direction indicators incorrect colour |1.4.A.2f| | 38 |
| Stop lamp not working |1.2.1b| | 37 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 37 |
| Nearside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 36 |
| Nearside Headlamp insecure |1.7.3| | 35 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 34 |
| Nearside front brake binding |3.7.B.1| | 34 |
| Direction indicator incorrect colour |1.4.A.2f| | 34 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 34 |
| Offside Front front brake binding |3.7.B.1| | 34 |
| Power steering component|s| leaking |2.3.3b| | 34 |
| Exhaust tailpipe not capable of allowing the emission probe to be inserted |7.3.D.1| | 34 |
| Rear fog lamp not working |1.3.2b| | 33 |
| Brake hose excessively deteriorated | 32 |
| Rear Exhaust system not adequately supported |7.1.1| | 32 |
| Offside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 32 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 31 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 31 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 30 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 30 |
| Nearside Side repeater not working |1.4.A.2c| | 29 |
| Offside Side repeater insecure |1.4.A.2b| | 29 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 29 |
| Front Exhaust has part of the system excessively deteriorated |7.1.1a| | 29 |
| Rear fog lamp tell tale not working |1.3.1b| | 28 |
| Nearside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 28 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 28 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 28 |