| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 534 |
| Windscreen wiper does not clear the windscreen effectively | 489 |
| Headlamp aim out of alignment | 389 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 127 |
| Nearside Stop lamp not working |1.2.1b| | 108 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 89 |
| Rear brake binding | 88 |
| Offside Stop lamp not working |1.2.1b| | 79 |
| Brakes imbalanced across an axle | 73 |
| Brake pipe excessively corroded | 68 |
| Registration plate issues | 67 |
| Rear brake disc in such a condition that it is seriously weakened | 52 |
| Centre Stop lamp not working |1.2.1b| | 49 |
| Parking brake lever has no reserve travel |3.1.6b| | 46 |
| Parking brake: efficiency below requirements |3.7.B.7| | 45 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 43 |
| Nearside Rear Stop lamp not working |1.2.1b| | 40 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 38 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 37 |
| Anti-lock braking system warning lamp indicates an ABS fault | 36 |
| Offside Rear Stop lamp not working |1.2.1b| | 34 |
| Offside Rear Shock absorbers has a serious fluid leak | 28 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 28 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 27 |
| Battery insecure |1.9.1| | 26 |
| Nearside Rear Shock absorbers has a serious fluid leak | 26 |
| Rear parking brake recording little or no effort | 25 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 24 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 23 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 22 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 22 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 21 |
| Nearside Front Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 20 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 20 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 20 |
| Front brake disc in such a condition that it is seriously weakened | 20 |
| Windscreen washer not working | 19 |
| Stop lamp not working |1.2.1b| | 19 |
| Rear Mechanical brake component has restricted free movement | 18 |
| Rear brake application uneven | 18 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 18 |
| Offside Front Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 17 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 17 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 16 |
| Offside Front Position lamp not working |4.2.1 |a|| | 16 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 15 |
| Front brake excessively fluctuating | 15 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 15 |
| Front brake application uneven | 15 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 14 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 14 |
| Front Sub-frame corroded and seriously weakened (5.3.3 (b) (i)) | 14 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 14 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 14 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 14 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 14 |
| Offside front brake binding |3.7.B.1| | 13 |
| Centre Rear Stop lamp not working |1.2.1b| | 13 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 13 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 12 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 12 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 11 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 11 |
| Windscreen wiper blade insecure | 11 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 10 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 10 |
| Brake pedal anti-slip provision incomplete |3.3.A.1b| | 10 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt |5.3.4 |b| |ii|| | 9 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 9 |
| Offside Front Headlamp has a product on the lens so that the light output is severely reduced (4.1.4 (b)) | 9 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 9 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 9 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 9 |
| Nearside Front Anti-roll bar ball joint excessively worn (5.3.4 (a) (i)) | 9 |
| Nearside front brake binding |3.7.B.1| | 8 |
| Nearside Front position lamp|s| has less than 50% of the light sources illuminating |1.1.A.3b| | 8 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 8 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 8 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 8 |
| 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| | 8 |
| Front position lamp|s| not working |1.1.A.3b| | 8 |
| Nearside Front Sub-frame corroded and seriously weakened (5.3.3 (b) (i)) | 8 |
| 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| | 8 |