| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 372 |
| Registration plate lamp issues | 279 |
| Windscreen wiper does not clear the windscreen effectively | 236 |
| Headlamp aim out of alignment | 172 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 114 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 109 |
| Parking brake: efficiency below requirements |3.7.B.7| | 101 |
| Brakes imbalanced across an axle | 81 |
| Rear brake binding | 67 |
| Rear parking brake recording little or no effort | 64 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 52 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 38 |
| Front brake disc in such a condition that it is seriously weakened | 38 |
| Registration plate issues | 37 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 37 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 25 |
| Parking brake lever has no reserve travel |3.1.6b| | 24 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 23 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 22 |
| Nearside Front Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 21 |
| Offside Front Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 21 |
| Anti-lock braking system warning lamp indicates an ABS fault | 21 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 21 |
| Fuel system component leaking |7.2.3| | 18 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 16 |
| Front brake application uneven | 16 |
| Power steering pipe|s| or hose|s| leaking |2.3.3b| | 15 |
| Windscreen wiper blade insecure | 15 |
| Battery insecure |1.9.1| | 14 |
| Service brake: efficiency below requirements |3.7.B.7| | 14 |
| Nearside Stop lamp not working |1.2.1b| | 13 |
| Front brake excessively fluctuating | 13 |
| Rear Mechanical brake component has restricted free movement | 12 |
| Rear brake application uneven | 12 |
| Nearside front brake binding |3.7.B.1| | 12 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 12 |
| Offside front brake binding |3.7.B.1| | 11 |
| Rear Sub-frame corroded and seriously weakened |2.4.G.1| | 11 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 11 |
| Front position lamp|s| not working |1.1.A.3b| | 10 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 10 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 10 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 10 |
| Nearside Front Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 9 |
| Offside Front Macpherson strut has excessive movement in the upper support bearing assembly |2.5.B.1b| | 9 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 9 |
| Offside Rear fog lamp not working |1.3.2b| | 9 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 8 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 8 |
| Windscreen washer not working | 8 |
| Brake pedal spongy |3.3.B.1b| | 8 |
| Nearside Front Macpherson strut has excessive movement in the upper support bearing assembly |2.5.B.1b| | 7 |
| Windscreen has damage | 7 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 7 |
| Offside Stop lamp not working |1.2.1b| | 7 |
| Rear fog lamp not working |1.3.2b| | 7 |
| Emissions not tested |7.0| | 7 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 6 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 6 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 6 |
| Power steering pipe|s| or hose|s| leaking from a joint |2.3.3b| | 6 |
| Nearside Front Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 6 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 6 |
| Brake hose has insufficient room to move | 6 |
| Offside Outer Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 6 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 6 |
| Fuel tank leaking |7.2.3| | 6 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 6 |
| Nearside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 6 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 6 |
| Offside Front front brake binding |3.7.B.1| | 6 |
| Front Front position lamp|s| not working |1.1.A.3b| | 6 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 5 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 5 |
| Front Sub-frame corroded and seriously weakened |2.4.G.1| | 5 |
| Brake performance not tested |3.7.A.1| | 5 |
| Nearside Outer Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 5 |
| Offside Front position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 5 |
| Nearside Front position lamp|s| not in good working order |function impaired| |1.1.4a| | 5 |
| Nearside Front Macpherson strut insecure |2.4.G.1| | 5 |
| Centre Rear Statutory seat belt missing |5.1.1| | 5 |
| Offside Front Brake pipe leaking |3.6.A.1| | 5 |