| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 622 |
| Registration plate lamp issues | 596 |
| Headlamp aim out of alignment | 480 |
| Brake pipe excessively corroded | 166 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 118 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 115 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 107 |
| Nearside Stop lamp not working |1.2.1b| | 105 |
| Brakes imbalanced across an axle | 97 |
| Registration plate issues | 92 |
| Offside Stop lamp not working |1.2.1b| | 87 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 80 |
| Rear brake binding | 75 |
| Rear brake disc in such a condition that it is seriously weakened | 70 |
| Centre Stop lamp not working |1.2.1b| | 67 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 66 |
| Nearside Rear Shock absorbers has a serious fluid leak | 56 |
| Anti-lock braking system warning lamp indicates an ABS fault | 53 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 51 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 50 |
| Offside Rear Shock absorbers has a serious fluid leak | 49 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 47 |
| Parking brake: efficiency below requirements |3.7.B.7| | 45 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 45 |
| Nearside Rear Stop lamp not working |1.2.1b| | 39 |
| Windscreen washer not working | 38 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 37 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 37 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 36 |
| Offside Front Position lamp not working |4.2.1 |a|| | 35 |
| Parking brake lever has no reserve travel |3.1.6b| | 34 |
| Offside Rear Stop lamp not working |1.2.1b| | 34 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 33 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 33 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 32 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 31 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 31 |
| Battery insecure |1.9.1| | 30 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 29 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 27 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 27 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 27 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 26 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 25 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 25 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 25 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 24 |
| Stop lamp(s) all not working (4.3.1 (a) (iii)) | 23 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 22 |
| Rear fog lamp not working |1.3.2b| | 22 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 21 |
| Nearside Front Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 21 |
| Nearside Front Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 21 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 21 |
| Rear parking brake recording little or no effort | 20 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 19 |
| Front Sub-frame corroded and seriously weakened (5.3.3 (b) (i)) | 19 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 18 |
| Offside Front Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 18 |
| Front brake disc in such a condition that it is seriously weakened | 18 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 17 |
| Front brake application uneven | 17 |
| Stop lamp not working |1.2.1b| | 16 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 16 |
| Nearside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 15 |
| Offside Front Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 15 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 15 |
| Nearside front brake binding |3.7.B.1| | 14 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 14 |
| Nearside Front Sub-frame corroded and seriously weakened (5.3.3 (b) (i)) | 14 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 13 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 13 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 13 |
| Centre Rear Stop lamp not working |1.2.1b| | 12 |
| Nearside Front Macpherson strut has excessive movement in the upper support bearing assembly |2.5.B.1b| | 12 |
| 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| | 12 |
| Central Stop lamp(s) not working (4.3.1 (a) (ii)) | 12 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 12 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 11 |
| Offside Front position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 11 |
| Windscreen has damage | 11 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 11 |
| Rear Mechanical brake component has restricted free movement | 11 |
| Nearside 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| | 11 |
| Exhaust emissions exceed manufacturer`s specified limit |8.2.2.2 |a|| | 11 |
| Offside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 11 |
| Nearside Front Upper Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 11 |
| Exhaust emissions test not completed because smoke levels are significantly in excess of the specified limit values (8.2.2.2 (f)) | 11 |