| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 136 |
| Windscreen wiper does not clear the windscreen effectively | 78 |
| Registration plate lamp issues | 61 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 38 |
| Brakes imbalanced across an axle | 30 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 27 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 25 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 25 |
| Parking brake lever has no reserve travel |3.1.6b| | 24 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 24 |
| Offside Stop lamp not working |1.2.1b| | 22 |
| Windscreen washer not working | 20 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 19 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 18 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 17 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 16 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 15 |
| Nearside Stop lamp not working |1.2.1b| | 14 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 14 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 14 |
| Battery insecure |1.9.1| | 13 |
| Rear brake disc in such a condition that it is seriously weakened | 13 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 13 |
| Nearside Rear Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 13 |
| Registration plate issues | 12 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 12 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 11 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 11 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 10 |
| Rear brake binding | 10 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 10 |
| Nearside Rear Stop lamp not working |1.2.1b| | 10 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 10 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 10 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 9 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 9 |
| Nearside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 9 |
| Parking brake: efficiency below requirements |3.7.B.7| | 9 |
| Nearside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 9 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 9 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 8 |
| Parking brake lever has excessive movement indicating incorrect adjustment |1.1.6 |c|| | 8 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 8 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 7 |
| Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 7 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 7 |
| Front brake excessively fluctuating | 7 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 7 |
| Offside Side repeater incorrect colour (4.4.3 (a)) | 7 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 6 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 6 |
| Offside Front Position lamp not working |4.2.1 |a|| | 6 |
| Rear parking brake recording little or no effort | 6 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 6 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 6 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 6 |
| Nearside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 6 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 6 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 6 |
| Nearside Side repeater incorrect colour (4.4.3 (a)) | 6 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 6 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 5 |
| Offside Rear Stop lamp not working |1.2.1b| | 5 |
| Nearside Headlamp aim projected beam image is obviously incorrect |4.1.2 |c|| | 5 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 5 |
| Offside Rear Shock absorbers has a serious fluid leak | 5 |
| Offside Rear Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 5 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 5 |
| Nearside Front Anti-roll bar ball joint excessively worn (5.3.4 (a) (i)) | 5 |
| Rear Stop lamp(s) all not working (4.3.1 (a) (iii)) | 5 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 5 |
| Offside Rear Anti-roll bar ball joint excessively worn (5.3.4 (a) (i)) | 5 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 4 |
| Offside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 4 |
| Offside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 4 |
| Offside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 4 |
| Rear brake application uneven | 4 |
| Front brake disc in such a condition that it is seriously weakened | 4 |
| Rear Mechanical brake component has restricted free movement | 4 |
| Front brake application uneven | 4 |
| Offside Front Anti-roll bar linkage ball joint excessively worn |5.3.4 |a| |i|| | 4 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 4 |
| Offside Rear Anti-roll bar linkage ball joint excessively worn |5.3.4 |a| |i|| | 4 |
| Offside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 4 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 4 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 4 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 4 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 4 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 4 |
| Exhaust emissions likely to be affected by an exhaust leak (8.2.1.1 (b)) | 4 |
| Nearside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 4 |
| Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 4 |
| Nearside Rear Anti-roll bar ball joint excessively worn (5.3.4 (a) (i)) | 4 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 4 |
| Emissions not tested (8.2.1.2 (d)) | 4 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 4 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 3 |
| Offside Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 3 |
| Anti-lock braking system warning lamp indicates an ABS fault | 3 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 3 |
| 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| | 3 |
| Rear fog lamp not working |1.3.2b| | 3 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 3 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn |5.3.4 |a| |i|| | 3 |
| Offside Front coil spring broken |2.4.C.1a| | 3 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 3 |
| Front Service brake excessively fluctuating (1.2.1 (e)) | 3 |
| Offside Front Anti-roll bar ball joint excessively worn (5.3.4 (a) (i)) | 3 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 3 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 3 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 3 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 3 |
| Battery insecure and likely to cause a short circuit (4.13 (a) (ii)) | 3 |
| Nearside Rear Lower Suspension arm corroded and seriously weakened (5.3.3 (b) (i)) | 3 |
| Nearside Front Road wheel fixing missing (5.2.1 (a) (i)) | 3 |
| Nearside Rear Shock absorbers has a serious fluid leak | 3 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 3 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 3 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 3 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 3 |