| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 943 |
| Headlamp aim out of alignment | 625 |
| Registration plate lamp issues | 409 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 196 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 174 |
| Brake pipe excessively corroded | 97 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 97 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 95 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 89 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 75 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 74 |
| Nearside Stop lamp not working |1.2.1b| | 74 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 67 |
| Offside Stop lamp not working |1.2.1b| | 65 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 64 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 63 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 63 |
| Registration plate issues | 59 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 56 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 54 |
| Brakes imbalanced across an axle | 45 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 45 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 42 |
| Nearside Rear Stop lamp not working |1.2.1b| | 38 |
| Parking brake lever has no reserve travel |3.1.6b| | 37 |
| Windscreen washer not working | 37 |
| Offside Front Position lamp not working |4.2.1 |a|| | 35 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 34 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 34 |
| Front brake disc in such a condition that it is seriously weakened | 34 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 33 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 32 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 30 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 30 |
| Offside Rear Stop lamp not working |1.2.1b| | 30 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 26 |
| Anti-lock braking system warning lamp indicates an ABS fault | 23 |
| 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 |
| Offside Rear Direction indicator incorrect colour |4.4.3 |a|| | 22 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 21 |
| Horn not working (7.7 (a)) | 21 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 21 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 20 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 19 |
| Nearside Rear Direction indicator incorrect colour |4.4.3 |a|| | 19 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 18 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 18 |
| Nearside Front Shock absorbers has a serious fluid leak | 17 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 17 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 16 |
| Nearside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 15 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 15 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 15 |
| Offside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 15 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 15 |
| Nearside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 15 |
| Parking brake: efficiency below requirements |3.7.B.7| | 14 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 14 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 14 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 14 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 13 |
| Rear brake disc in such a condition that it is seriously weakened | 13 |
| Battery insecure |1.9.1| | 12 |
| Rear fog lamp not working |1.3.2b| | 12 |
| Windscreen has damage | 12 |
| Nearside Front Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 12 |
| Front brake application uneven | 11 |
| Rear brake binding | 11 |