| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 854 |
| Brake pipe excessively corroded | 599 |
| Windscreen wiper does not clear the windscreen effectively | 594 |
| Headlamp aim out of alignment | 555 |
| Nearside Stop lamp not working |1.2.1b| | 316 |
| Offside Stop lamp not working |1.2.1b| | 278 |
| Registration plate issues | 190 |
| Offside Front Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 182 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 144 |
| Nearside Rear Stop lamp not working |1.2.1b| | 129 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 121 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 121 |
| Parking brake lever has no reserve travel |3.1.6b| | 119 |
| Offside Rear Stop lamp not working |1.2.1b| | 115 |
| Brakes imbalanced across an axle | 103 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 101 |
| Parking brake: efficiency below requirements |3.7.B.7| | 94 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 89 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 83 |
| Offside Rear Suspension arm corroded and seriously weakened |2.4.G.1| | 79 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 76 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 74 |
| Nearside Rear Suspension arm corroded and seriously weakened |2.4.G.1| | 74 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 74 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 71 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 71 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 67 |
| Anti-lock braking system warning lamp indicates an ABS fault | 66 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 66 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 60 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 60 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 59 |
| Offside Front Macpherson strut has excessive movement in the upper support bearing assembly |2.5.B.1b| | 56 |
| Offside Front Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 54 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 54 |
| 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| | 45 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 45 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 45 |
| Rear brake binding | 45 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 42 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 41 |
| Nearside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 40 |
| Windscreen has damage | 39 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 39 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 39 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 37 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 36 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 35 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 35 |
| Nearside Outer Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 34 |
| Offside front brake binding |3.7.B.1| | 33 |
| Rear brake disc in such a condition that it is seriously weakened | 33 |
| Service brake: efficiency below requirements |3.7.B.7| | 32 |
| Rear Exhaust system not adequately supported |7.1.1| | 31 |
| Power steering pipe|s| or hose|s| leaking |2.3.3b| | 30 |
| Front brake application uneven | 30 |
| Offside Rear fog lamp not working |1.3.2b| | 29 |
| Offside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 29 |
| 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| | 29 |
| Windscreen wiper blade insecure | 29 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 28 |
| Nearside front brake binding |3.7.B.1| | 28 |
| 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| | 28 |
| Front brake disc in such a condition that it is seriously weakened | 28 |
| Rear brake application uneven | 27 |
| Battery insecure |1.9.1| | 26 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 26 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 26 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 26 |
| Rear parking brake recording little or no effort | 25 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 24 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 23 |
| Offside Outer Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 23 |
| Nearside Rear Trailing arm corroded and seriously weakened |2.4.G.1| | 22 |
| Offside Headlamp not working on main beam |1.7.5a| | 22 |
| Nearside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 22 |
| Offside Rear Trailing arm corroded and seriously weakened |2.4.G.1| | 21 |
| Power steering pipe|s| or hose|s| leaking from a joint |2.3.3b| | 21 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 20 |
| Offside Front Brake hose twisted |found during steering lock to lock check| |2.2.D.2b| | 20 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 19 |
| Power steering component|s| leaking |2.3.3b| | 19 |
| Exhaust system not adequately supported |7.1.1| | 18 |
| Nearside Front front brake binding |3.7.B.1| | 18 |
| Horn not working |1.6.2a| | 18 |
| Offside Front Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 18 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 17 |
| Brake fluid warning lamp illuminated |3.6.G.2| | 17 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 17 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 17 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 17 |
| Nearside Front Brake hose twisted |found during steering lock to lock check| |2.2.D.2b| | 17 |
| Offside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 16 |
| 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| | 16 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 16 |
| Nearside Rear Suspension arm corroded and seriously weakened (5.3.3 (b) (i)) | 15 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 15 |
| Windscreen washer not working | 15 |
| Nearside Headlamp not working on main beam |1.7.5a| | 15 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 15 |
| Front brake excessively fluctuating | 15 |
| Mechanical brake component has restricted free movement | 15 |
| 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| | 15 |
| Centre Stop lamp not working |1.2.1b| | 15 |
| Rear Stop lamp not working |1.2.1b| | 15 |
| Emissions not tested |7.0| | 15 |
| Brake pedal anti-slip provision incomplete |3.3.A.1b| | 15 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 14 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 14 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 13 |
| Nearside Front Lower Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 13 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 13 |
| Offside Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 13 |
| Nearside Front Outer Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 13 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 13 |
| Brake hose has insufficient room to move | 13 |
| Nearside Front Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 13 |
| Spare wheel carrier insecure |6.4.2| | 13 |
| Offside Front front brake binding |3.7.B.1| | 13 |
| Nearside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 13 |