| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 332 |
| Headlamp aim out of alignment | 210 |
| Registration plate lamp issues | 151 |
| Registration plate issues | 135 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 80 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 73 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 66 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 56 |
| Rear brake disc in such a condition that it is seriously weakened | 50 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 49 |
| Brakes imbalanced across an axle | 47 |
| Parking brake: efficiency below requirements |3.7.B.7| | 38 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 30 |
| Parking brake lever has no reserve travel |3.1.6b| | 26 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 23 |
| Rear brake binding | 23 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 23 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 22 |
| Rear parking brake recording little or no effort | 21 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 21 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 15 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 14 |
| Central Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 13 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 12 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 12 |
| Nearside Front Shock absorbers has a serious fluid leak | 12 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 12 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 12 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 11 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 11 |
| Nearside Front Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 11 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 11 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 11 |
| Service brake: efficiency below requirements |3.7.B.7| | 10 |
| Offside Front Position lamp not working |4.2.1 |a|| | 10 |
| Front brake disc in such a condition that it is seriously weakened | 10 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 10 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 10 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 10 |
| Rear fog lamp not working |1.3.2b| | 9 |
| Offside Rear fog lamp not working |1.3.2b| | 9 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 9 |
| Brake pipe excessively corroded | 9 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 9 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 9 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 9 |
| Windscreen has damage | 8 |
| Anti-lock braking system warning lamp indicates an ABS fault | 8 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 8 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 8 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 8 |
| Offside Front Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 8 |
| Service brake efficiency below requirements |1.2.2 |a| |i|| | 7 |
| Offside Rear Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 7 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 7 |
| Nearside Front Lower Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 7 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 6 |
| Offside Rear brake caliper has restricted free movement |3.5.1k| | 6 |
| Rear Mechanical brake component has restricted free movement | 6 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 6 |
| Offside Front Shock absorbers has a serious fluid leak | 6 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 6 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 6 |
| Offside Front Road wheel fixing missing (5.2.1 (a) (i)) | 6 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 6 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 5 |
| Front brake application uneven | 5 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 5 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 5 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 5 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 5 |
| Windscreen washer not working | 5 |
| Nearside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 5 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 5 |
| Nearside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 5 |
| Headlamp levelling device inoperative (4.1.5 (a)) | 5 |
| Brake performance not tested (1.2.1 (g)) | 5 |
| Rear Headlamp levelling device inoperative (4.1.5 (a)) | 5 |
| Nearside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 5 |
| Nearside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 5 |