| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 835 |
| Headlamp aim out of alignment | 459 |
| Brake pipe excessively corroded | 263 |
| Front brake disc in such a condition that it is seriously weakened | 110 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 104 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 92 |
| 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 Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 80 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 78 |
| Brakes imbalanced across an axle | 69 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 64 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 62 |
| Registration plate lamp issues | 58 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 58 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 57 |
| Anti-lock braking system warning lamp indicates an ABS fault | 54 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 50 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 48 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 46 |
| Registration plate issues | 38 |
| Offside Front Anti-roll bar ball joint excessively worn (5.3.4 (a) (i)) | 38 |
| Nearside Front Anti-roll bar ball joint excessively worn (5.3.4 (a) (i)) | 32 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 31 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 29 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 29 |
| Windscreen wiper blade insecure | 29 |
| Windscreen washer not working | 29 |
| Offside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 29 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 29 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 28 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 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 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 26 |
| Front brake excessively fluctuating | 25 |
| Nearside Stop lamp not working |1.2.1b| | 25 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 24 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 23 |
| Centre Stop lamp not working |1.2.1b| | 22 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 21 |
| Offside Front Anti-roll bar linkage ball joint excessively worn |5.3.4 |a| |i|| | 20 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 20 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 20 |
| Central Stop lamp(s) not working (4.3.1 (a) (ii)) | 20 |
| Nearside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 19 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 19 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 18 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 18 |
| Offside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 17 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 16 |
| Offside 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 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 15 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 14 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 14 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 14 |
| Nearside Rear Shock absorbers has a serious fluid leak | 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 |
| Brake hose excessively deteriorated | 13 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 13 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 12 |
| Offside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 12 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 12 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 12 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 12 |
| Offside Front front brake binding |3.7.B.1| | 11 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 11 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 11 |
| Offside Front Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 11 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 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 manufacturers specified limits (8.2.1.2 (a)) | 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 Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 10 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 10 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 10 |