| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 1197 |
| Registration plate issues | 369 |
| Windscreen wiper does not clear the windscreen effectively | 143 |
| Brake pipe excessively corroded | 125 |
| Registration plate lamp issues | 109 |
| Offside Stop lamp not working |1.2.1b| | 53 |
| Nearside Stop lamp not working |1.2.1b| | 52 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 51 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 50 |
| Rear brake disc in such a condition that it is seriously weakened | 39 |
| Offside 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 Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 31 |
| Offside Rear Stop lamp not working |1.2.1b| | 28 |
| Windscreen has damage | 27 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 26 |
| Nearside Rear Shock absorbers has a serious fluid leak | 25 |
| Fuel cap/sealing device sealing washer deteriorated |7.2.4c| | 25 |
| Offside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 24 |
| Offside Rear fog lamp not working |1.3.2b| | 23 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 22 |
| Nearside Rear Stop lamp not working |1.2.1b| | 20 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 20 |
| Nearside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 19 |
| Nearside Headlamp cleaning device inoperative |1.7.2| | 19 |
| Offside Headlamp cleaning device inoperative |1.7.2| | 19 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 17 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 17 |
| Front brake disc in such a condition that it is seriously weakened | 16 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 15 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 15 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 15 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 15 |
| Nearside Front Shock absorbers has a serious fluid leak | 14 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 13 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 13 |
| Windscreen washer not working | 12 |
| Nearside Headlamp aim beam image kick up to the offside |1.8| | 12 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 11 |
| Offside Rear Shock absorbers has a serious fluid leak | 11 |
| Offside Headlamp aim beam image kick up to the offside |1.8| | 11 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 10 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 10 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 10 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 10 |
| Horn not working |1.6.2a| | 10 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 10 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 10 |
| Brakes imbalanced across an axle | 10 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 10 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 10 |