| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 3158 |
| Headlamp aim out of alignment | 2573 |
| Offside Stop lamp not working |1.2.1b| | 1072 |
| Nearside Stop lamp not working |1.2.1b| | 953 |
| Brake pipe excessively corroded | 844 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 794 |
| Brakes imbalanced across an axle | 768 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 632 |
| Registration plate lamp issues | 626 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 596 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 437 |
| Offside Rear Stop lamp not working |1.2.1b| | 382 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 354 |
| Nearside Rear Stop lamp not working |1.2.1b| | 353 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 310 |
| Offside Rear fog lamp not working |1.3.2b| | 301 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 287 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 280 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 277 |
| Registration plate issues | 275 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 275 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 273 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 265 |
| Battery insecure |1.9.1| | 250 |
| Parking brake: efficiency below requirements |3.7.B.7| | 246 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 227 |
| Front brake application uneven | 198 |
| Offside front brake binding |3.7.B.1| | 181 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 167 |
| 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| | 166 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 163 |
| Emissions not tested |7.0| | 155 |
| Nearside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 148 |
| Parking brake lever has no reserve travel |3.1.6b| | 145 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 138 |
| Horn not working |1.6.2a| | 134 |
| Rear brake binding | 131 |
| Rear parking brake recording little or no effort | 128 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 127 |
| Rear fog lamp not working |1.3.2b| | 119 |
| Front brake disc in such a condition that it is seriously weakened | 118 |
| 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| | 114 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 112 |
| Offside Front front brake binding |3.7.B.1| | 110 |
| 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| | 106 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 103 |
| 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| | 101 |
| Anti-lock braking system warning lamp indicates an ABS fault | 101 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 99 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 98 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 97 |
| Windscreen wiper blade insecure | 97 |
| Offside Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 97 |
| Nearside front brake binding |3.7.B.1| | 94 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 94 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 94 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 91 |
| Offside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 90 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 89 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 85 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 83 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 82 |
| Rear fog lamp tell tale not working |1.3.1b| | 80 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 79 |
| Nearside Rear Rear position lamp|s| not working |1.1.A.3b| | 78 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 77 |
| Windscreen has damage | 75 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 74 |
| Offside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 73 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 73 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 72 |
| Emissions not tested |7.3.A.1| | 71 |
| Nearside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 71 |
| Offside Rear Rear position lamp|s| not working |1.1.A.3b| | 71 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 70 |
| Nearside Rear passenger door cannot be opened from outside the vehicle |6.2.B.1c| | 69 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 69 |
| 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| | 69 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 68 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 67 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 66 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 61 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 60 |
| Nearside Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 60 |
| Offside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 59 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 58 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 57 |
| Windscreen washer not working | 56 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 56 |
| 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| | 56 |
| Nearside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 56 |
| 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| | 56 |
| Offside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 55 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 54 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 54 |
| Nearside Front front brake binding |3.7.B.1| | 54 |