| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 609 |
| Windscreen wiper does not clear the windscreen effectively | 470 |
| Headlamp aim out of alignment | 361 |
| Brake pipe excessively corroded | 120 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 113 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 113 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 107 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 96 |
| Registration plate issues | 89 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 67 |
| Parking brake: efficiency below requirements |3.7.B.7| | 56 |
| Brakes imbalanced across an axle | 55 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 52 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 52 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 50 |
| Parking brake lever has no reserve travel |3.1.6b| | 45 |
| Offside Front Position lamp not working |4.2.1 |a|| | 44 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 42 |
| Windscreen washer not working | 37 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 36 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 32 |
| Rear brake binding | 31 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 28 |
| Rear brake disc in such a condition that it is seriously weakened | 28 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 28 |
| Nearside Front Shock absorbers has a serious fluid leak | 27 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 26 |
| Front brake disc in such a condition that it is seriously weakened | 26 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 24 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 23 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 23 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 23 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 23 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 23 |
| Anti-lock braking system warning lamp indicates an ABS fault | 23 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (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 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 19 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 19 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 18 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 17 |
| Offside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 17 |
| Offside Front Shock absorbers has a serious fluid leak | 17 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 16 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 16 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 16 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 15 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 15 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 15 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 15 |
| Nearside Front Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 14 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 14 |
| Windscreen has damage | 14 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 13 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 13 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 12 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 12 |
| Offside Front Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 11 |
| Offside Headlamp light intensity severely reduced (4.1.4 (a)) | 11 |
| Rear parking brake recording little or no effort | 10 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 10 |
| Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 10 |
| Offside Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 10 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 9 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 9 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 9 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 9 |