| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 630 |
| Headlamp aim out of alignment | 547 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 287 |
| Registration plate lamp issues | 271 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 225 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 198 |
| Nearside Stop lamp not working |1.2.1b| | 191 |
| Brakes imbalanced across an axle | 187 |
| Offside Stop lamp not working |1.2.1b| | 177 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 164 |
| Battery insecure |1.9.1| | 163 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 153 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 152 |
| Brake pipe excessively corroded | 125 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 115 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 109 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 106 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 97 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 97 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 89 |
| 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 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 83 |
| Nearside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 81 |
| Offside Rear Stop lamp not working |1.2.1b| | 80 |
| 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| | 79 |
| Parking brake lever has no reserve travel |3.1.6b| | 77 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 75 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 74 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 73 |
| Registration plate issues | 71 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 69 |
| Horn not working |1.6.2a| | 67 |
| Offside Headlamp not working on main beam |1.7.5a| | 66 |
| Parking brake: efficiency below requirements |3.7.B.7| | 63 |
| Offside Rear fog lamp not working |1.3.2b| | 60 |
| Front brake application uneven | 57 |
| Nearside Rear Stop lamp not working |1.2.1b| | 56 |
| 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| | 53 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 51 |
| 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| | 50 |
| Offside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 49 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 46 |
| Offside Outer Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 42 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 41 |
| Emissions not tested |7.0| | 40 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 40 |
| Offside front brake binding |3.7.B.1| | 38 |
| Windscreen wiper blade insecure | 38 |
| 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| | 37 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 35 |
| Nearside Outer Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 34 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 32 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 30 |
| Nearside Front Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 29 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 28 |
| Rear parking brake recording little or no effort | 28 |
| Windscreen has damage | 27 |
| Nearside Rear Rear position lamp|s| not working |1.1.A.3b| | 26 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 25 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 24 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 24 |
| Nearside Headlamp not working on main beam |1.7.5a| | 22 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 22 |
| Offside Front front brake binding |3.7.B.1| | 22 |
| Offside Front Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 21 |
| Windscreen washer not working | 20 |
| Mechanical brake component has restricted free movement | 20 |
| Front brake disc in such a condition that it is seriously weakened | 20 |
| Nearside Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 19 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 19 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 19 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 19 |
| Offside Rear Rear position lamp|s| not working |1.1.A.3b| | 19 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 19 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 18 |
| Rear fog lamp tell tale not working |1.3.1b| | 18 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 17 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 17 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 17 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 17 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 17 |
| Fuel system component leaking |7.2.3| | 17 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 16 |
| Rear fog lamp not working |1.3.2b| | 16 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 15 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 15 |
| Stop lamp not working |1.2.1b| | 15 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 15 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 15 |
| Offside Headlamp insecure |1.7.3| | 15 |
| Front passenger door cannot be opened from inside the vehicle |6.2.B.1b| | 14 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 14 |
| Front brake excessively fluctuating | 14 |
| Front passenger door cannot be opened from outside the vehicle |6.2.B.1b| | 13 |
| Rear fog lamp switch faulty |1.3.1a| | 13 |
| Offside Front Outer Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 13 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 13 |
| Nearside Front 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 Suspension arm has excessive play in a ball joint |2.4.G.2| | 12 |
| Offside Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 12 |