| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 154 |
| Windscreen wiper does not clear the windscreen effectively | 142 |
| Registration plate lamp issues | 75 |
| Registration plate issues | 75 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 37 |
| Brakes imbalanced across an axle | 37 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 35 |
| Rear brake disc in such a condition that it is seriously weakened | 34 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 34 |
| Parking brake: efficiency below requirements |3.7.B.7| | 33 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 32 |
| Rear parking brake recording little or no effort | 28 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 26 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 18 |
| Rear brake binding | 17 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 16 |
| Front brake disc in such a condition that it is seriously weakened | 16 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 13 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 13 |
| Parking brake lever has no reserve travel |3.1.6b| | 13 |
| Offside Front Position lamp not working |4.2.1 |a|| | 11 |
| Brake pipe excessively corroded | 11 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 11 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 10 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 10 |
| Offside Rear fog lamp not working |1.3.2b| | 10 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 9 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 9 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 8 |
| Central Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 8 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 8 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 7 |
| Rear Mechanical brake component has restricted free movement | 7 |
| Windscreen washer not working | 7 |
| Rear brake application uneven | 7 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 7 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 7 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 7 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 6 |
| Anti-lock braking system warning lamp indicates an ABS fault | 6 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 6 |
| Windscreen has damage | 5 |
| Service brake efficiency below requirements |1.2.2 |a| |i|| | 5 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 5 |
| Parking brake lever has excessive movement indicating incorrect adjustment |1.1.6 |c|| | 5 |
| Front brake application uneven | 5 |
| Rear fog lamp not working |1.3.2b| | 5 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 5 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 4 |
| Nearside Rear brake caliper has restricted free movement |3.5.1k| | 4 |
| Headlamp levelling device obviously defective |1.7.2| | 4 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 4 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 4 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 4 |
| Offside Front Anti-roll bar linkage ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 4 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 4 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 4 |
| Nearside Front Shock absorbers has a serious fluid leak | 4 |
| Service brake: efficiency below requirements |3.7.B.7| | 4 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 4 |
| Nearside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 4 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 4 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 4 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 4 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 4 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 4 |
| Offside Front Shock absorbers has a serious fluid leak | 4 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 4 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 3 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 3 |
| Nearside front brake binding |3.7.B.1| | 3 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 3 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 3 |
| Offside Rear brake caliper has restricted free movement |3.5.1k| | 3 |
| Offside Front front brake binding |3.7.B.1| | 3 |
| Offside Rear Brake disc significantly and obviously worn |1.1.14 |a| |i|| | 3 |
| Offside Front Position lamp not working |4.2.1 |a| |ii|| | 3 |
| Windscreen wiper blade insecure | 3 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 3 |
| Offside Rear Service brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 3 |
| Brake performance not tested (1.2.1 (g)) | 3 |
| Nearside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 3 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 3 |
| Front Service brake excessively fluctuating (1.2.1 (e)) | 3 |
| Nearside Front Suspension arm pin or bush excessively worn rear bush (5.3.4 (a) (i)) | 3 |
| Nearside Front Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 3 |
| Nearside Front Lower Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 3 |
| Nearside Front Lower Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 3 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 3 |