| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 1151 |
| Headlamp aim out of alignment | 922 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 404 |
| Offside Stop lamp not working |1.2.1b| | 353 |
| Nearside Stop lamp not working |1.2.1b| | 338 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 230 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 229 |
| Registration plate lamp issues | 215 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 206 |
| Brake pipe excessively corroded | 198 |
| Brakes imbalanced across an axle | 190 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 181 |
| Offside Rear Stop lamp not working |1.2.1b| | 140 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 129 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 123 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 121 |
| Rear fog lamp not working |1.3.2b| | 119 |
| Nearside Rear Stop lamp not working |1.2.1b| | 115 |
| Horn not working |1.6.2a| | 114 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 111 |
| Offside Rear fog lamp not working |1.3.2b| | 110 |
| Battery insecure |1.9.1| | 102 |
| Rear fog lamp tell tale not working |1.3.1b| | 99 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 90 |
| Registration plate issues | 79 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 75 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 68 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 66 |
| Nearside Front Front 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 |
| Front brake application uneven | 57 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 54 |
| Windscreen washer not working | 54 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 53 |
| Emissions not tested |7.0| | 53 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 52 |
| 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| | 52 |
| Nearside Rear passenger door cannot be opened from outside the vehicle |6.2.B.1c| | 51 |
| Front brake disc in such a condition that it is seriously weakened | 45 |
| Parking brake: efficiency below requirements |3.7.B.7| | 45 |
| Rear fog lamp switch faulty |1.3.1a| | 43 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 42 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 42 |
| Nearside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 40 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 40 |
| Parking brake lever has no reserve travel |3.1.6b| | 39 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 38 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 38 |
| Windscreen wiper blade insecure | 37 |
| Offside front brake binding |3.7.B.1| | 37 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 36 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 35 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 35 |
| Windscreen has damage | 34 |
| Anti-lock braking system warning lamp indicates an ABS fault | 34 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 34 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 33 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 32 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 32 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 32 |
| Nearside Rear Rear position lamp|s| not working |1.1.A.3b| | 32 |
| Offside Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 31 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 30 |
| Front brake excessively fluctuating | 30 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 29 |
| Offside Rear Rear position lamp|s| not working |1.1.A.3b| | 29 |
| Nearside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 28 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 28 |
| Offside Rear passenger door cannot be opened from outside the vehicle |6.2.B.1c| | 28 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 27 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 26 |
| Offside Front front brake binding |3.7.B.1| | 26 |
| 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| | 26 |
| Rear brake binding | 26 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 25 |
| 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| | 25 |
| 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| | 25 |
| 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| | 25 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 25 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 24 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 23 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 23 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 23 |
| Emissions not tested |7.3.A.1| | 22 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 22 |
| Hazard warning switch faulty |1.4.B.1d| | 21 |
| Offside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 21 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 21 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 21 |
| Nearside Rear Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 21 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 20 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 20 |
| Horn not working |7.7 |a| |ii|| | 20 |