| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 746 |
| Headlamp aim out of alignment | 408 |
| Brake pipe excessively corroded | 182 |
| Front brake disc in such a condition that it is seriously weakened | 102 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 90 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 81 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 80 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 66 |
| Brakes imbalanced across an axle | 58 |
| Registration plate lamp issues | 47 |
| Anti-lock braking system warning lamp indicates an ABS fault | 42 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 38 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 35 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 34 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 31 |
| Windscreen wiper blade insecure | 29 |
| Offside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 29 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 28 |
| Registration plate issues | 28 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 27 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 27 |
| Offside Stop lamp not working |1.2.1b| | 26 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn |5.3.4 |a| |i|| | 26 |
| Nearside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 26 |
| Front brake excessively fluctuating | 25 |
| Nearside Stop lamp not working |1.2.1b| | 25 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 24 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 23 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 23 |
| Offside Front Anti-roll bar ball joint excessively worn (5.3.4 (a) (i)) | 22 |
| Centre Stop lamp not working |1.2.1b| | 22 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 21 |
| Offside Front Anti-roll bar linkage ball joint excessively worn |5.3.4 |a| |i|| | 20 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 20 |
| Nearside Front Anti-roll bar ball joint excessively worn (5.3.4 (a) (i)) | 19 |
| Central Stop lamp(s) not working (4.3.1 (a) (ii)) | 18 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 16 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 16 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 16 |
| Windscreen washer not working | 16 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 16 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 16 |
| Front brake application uneven | 16 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 15 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 14 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 14 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 13 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 13 |
| Nearside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 13 |
| Offside Rear Stop lamp not working |1.2.1b| | 13 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 13 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 12 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 12 |
| Nearside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 12 |
| Offside Front front brake binding |3.7.B.1| | 11 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 11 |
| Offside Front Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 11 |
| Nearside Rear Stop lamp not working |1.2.1b| | 11 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 11 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 11 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 11 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 10 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 10 |
| Offside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 10 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 10 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 9 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 9 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 9 |
| Offside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 9 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 9 |
| Offside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 9 |
| Nearside Front Anti-roll bar linkage worn and seriously weakened |2.4.G.1| | 9 |
| Offside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 9 |
| Nearside Front Anti-roll bar ball joint excessively worn |5.3.4 |a| |i|| | 8 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 8 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 8 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 8 |
| Nearside Rear Shock absorbers has a serious fluid leak | 8 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 8 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 8 |
| Nearside Front Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 8 |
| Nearside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 8 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 8 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 8 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 8 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 8 |