| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 222 |
| Headlamp aim out of alignment | 78 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 36 |
| Registration plate lamp issues | 30 |
| Windscreen washer not working | 16 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 15 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 14 |
| Anti-lock braking system warning lamp indicates an ABS fault | 14 |
| Central Stop lamp(s) not working (4.3.1 (a) (ii)) | 13 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 12 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 11 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 11 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 9 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 8 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 8 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 8 |
| Central Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 8 |
| Brakes imbalanced across an axle | 7 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 7 |
| Nearside Rear Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 7 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 6 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 6 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 6 |
| Offside Front Position lamp not working |4.2.1 |a|| | 6 |
| Offside Rear Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 6 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 6 |
| Offside Rear Position lamp lens seriously defective (4.2.1 (b)) | 5 |
| Registration plate issues | 5 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 5 |
| Rear brake disc in such a condition that it is seriously weakened | 5 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 4 |
| Electronic stability control warning lamp indicates a fault |7.12 |e|| | 4 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 4 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Central Rear Upper Stop lamp(s) not working (4.3.1 (a) (ii)) | 4 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 4 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 4 |
| Horn not working |1.6.2a| | 3 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 3 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 3 |
| Offside Parking (secondary brake) on a single line braking system has no recorded effort at a wheel (1.3.1 (a) (ii)) | 3 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Central Rear Upper Stop lamp|s| not working |4.3.1 |a| |ii|| | 3 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Nearside Rear Leaf spring main leaf fractured (5.3.1 (b) (ii)) | 3 |
| Offside Rear Leaf spring main leaf fractured (5.3.1 (b) (ii)) | 3 |
| Reversing lamp inoperative (4.6.1 (a)) | 3 |
| Nearside Rear Position lamp lens seriously defective (4.2.1 (b)) | 3 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 2 |
| Offside Rear Service brake excessively fluctuating (1.2.1 (e)) | 2 |
| Nearside Rear Service brake excessively fluctuating (1.2.1 (e)) | 2 |
| Nearside Obligatory mirror seriously damaged, affecting the rear view (3.3 (b) (ii)) | 2 |
| Nearside Obligatory mirror seriously damaged, affecting the rear view |3.3 |b| |ii|| | 2 |
| Offside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 2 |
| Nearside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 2 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 2 |
| Offside Rear Shock absorbers has a serious fluid leak | 2 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 2 |
| Nearside Rear Shock absorbers has a serious fluid leak | 2 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 2 |
| Offside Front Suspension arm ball joint likely to become detached (5.3.4 (a) (ii)) | 2 |
| Offside Rear reflector missing |4.8.2 |a| |ii|| | 2 |
| Parking brake lever has excessive movement indicating incorrect adjustment |1.1.6 |c|| | 2 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 2 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 2 |
| Nearside Parking (secondary brake) on a single line braking system has no recorded effort at a wheel (1.3.1 (a) (ii)) | 2 |
| Offside Obligatory mirror seriously damaged, affecting the rear view (3.3 (b) (ii)) | 2 |
| Nearside Front Headlamp insecure (4.1.1 (c)) | 2 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 2 |
| Rear brake application uneven | 2 |
| Offside Rear Leaf spring fractured (5.3.1 (b) (i)) | 2 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 2 |
| Nearside Rear Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 2 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 2 |
| Brake performance not tested (1.2.1 (g)) | 2 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 2 |
| Battery insecure and likely to fall from carrier (4.13 (a) (ii)) | 2 |
| Offside Parking brake inoperative on one side |1.4.1 |a|| | 2 |
| Offside Rear Leaf spring fractured |5.3.1 |b| |i|| | 2 |
| Central Stop lamp not working |1.2.1b| | 2 |