| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 1856 |
| Headlamp aim out of alignment | 1106 |
| Brake pipe excessively corroded | 417 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 308 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 284 |
| Front brake disc in such a condition that it is seriously weakened | 269 |
| Registration plate lamp issues | 164 |
| Brakes imbalanced across an axle | 143 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 134 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 124 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 124 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 104 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 101 |
| Nearside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 99 |
| Centre Stop lamp not working |1.2.1b| | 94 |
| Offside Stop lamp not working |1.2.1b| | 89 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 82 |
| Anti-lock braking system warning lamp indicates an ABS fault | 80 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 79 |
| Nearside Stop lamp not working |1.2.1b| | 77 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 73 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 73 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 72 |
| Registration plate issues | 70 |
| Offside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 70 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn |5.3.4 |a| |i|| | 69 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 65 |
| Offside Front Anti-roll bar linkage ball joint excessively worn |5.3.4 |a| |i|| | 61 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 56 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 55 |
| Front brake excessively fluctuating | 54 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 54 |
| Nearside Front Anti-roll bar ball joint excessively worn (5.3.4 (a) (i)) | 53 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 52 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 45 |
| Central Stop lamp(s) not working (4.3.1 (a) (ii)) | 43 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 43 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 42 |
| Offside Front Anti-roll bar ball joint excessively worn (5.3.4 (a) (i)) | 40 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 39 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 39 |
| Windscreen washer not working | 39 |
| Central Stop lamp not working |1.2.1b| | 38 |
| Parking brake: efficiency below requirements |3.7.B.7| | 37 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 35 |
| Windscreen wiper blade insecure | 35 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 33 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 33 |
| Nearside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 33 |
| Nearside Rear Stop lamp not working |1.2.1b| | 32 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 32 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 31 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 31 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 31 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 31 |
| Offside Rear Stop lamp not working |1.2.1b| | 30 |
| Central Stop lamp|s| not working |4.3.1 |a| |ii|| | 29 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 29 |
| Front brake application uneven | 28 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 28 |
| Electronic power steering warning lamp indicates a system malfunction (2.6 (a)) | 27 |
| Offside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 27 |
| Offside Rear Shock absorbers has a serious fluid leak | 26 |
| Emissions not tested (8.2.1.2 (d)) | 26 |
| Offside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 25 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 25 |
| Rear parking brake recording little or no effort | 24 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 24 |
| Nearside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 24 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 24 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 23 |
| Offside Front front brake binding |3.7.B.1| | 23 |
| Nearside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 23 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 22 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 22 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 22 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 22 |
| Offside front brake binding |3.7.B.1| | 22 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 21 |
| Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 21 |