| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 1313 |
| Brake hose excessively deteriorated | 1143 |
| Registration plate lamp issues | 806 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 741 |
| Offside Rear fog lamp not working |1.3.2b| | 594 |
| Headlamp aim out of alignment | 484 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 425 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 358 |
| Rear fog lamp not working |1.3.2b| | 356 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 314 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 305 |
| Registration plate issues | 297 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 239 |
| Offside Stop lamp not working |1.2.1b| | 224 |
| Brakes imbalanced across an axle | 221 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 204 |
| Brake pipe excessively corroded | 195 |
| Nearside Stop lamp not working |1.2.1b| | 193 |
| Brake hose damaged | 181 |
| Rear fog lamp tell tale not working |1.3.1b| | 164 |
| Parking brake: efficiency below requirements |3.7.B.7| | 147 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 138 |
| Rear parking brake recording little or no effort | 134 |
| Rear Rear fog lamp not working |1.3.2b| | 112 |
| Emissions not tested |7.0| | 111 |
| Nearside Rear Stop lamp not working |1.2.1b| | 111 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 106 |
| Offside Rear Stop lamp not working |1.2.1b| | 105 |
| Battery insecure |1.9.1| | 96 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 94 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 88 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 88 |
| Offside Rear fog lamp missing |1.3.2a| | 82 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 76 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 76 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 76 |
| Nearside Front Shock absorber has negligible damping effect |2.7.5| | 73 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 73 |
| Exhaust emits an excessive level of metered smoke for a non-turbo charged engine |7.4.B.3b| | 72 |
| Offside Front Shock absorber has negligible damping effect |2.7.5| | 68 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 68 |
| Offside front brake binding |3.7.B.1| | 63 |
| Front brake application uneven | 60 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 58 |
| Offside Rear fog lamp insecure |1.3.2a| | 58 |
| Nearside front brake binding |3.7.B.1| | 57 |
| 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| | 56 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 54 |
| Nearside Front Anti-roll bar linkage ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 51 |
| Parking brake lever has no reserve travel |3.1.6b| | 51 |
| Nearside Side repeater not working |1.4.A.2c| | 48 |
| Offside Side repeater not working |1.4.A.2c| | 46 |
| Service brake: efficiency below requirements |3.7.B.7| | 45 |
| Offside Front Anti-roll bar linkage ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 45 |
| Rear fog lamp switch missing |1.3.1a| | 44 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 43 |
| Brake pedal anti-slip provision incomplete |3.3.A.1b| | 42 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 42 |
| Anti-lock braking system warning lamp indicates an ABS fault | 42 |
| Horn not working |1.6.2a| | 41 |
| Windscreen wiper blade insecure | 41 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 40 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 38 |
| Rear fog lamp missing |1.3.2a| | 37 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 36 |
| Offside Front Seat belt damaged sufficient to obstruct correct operation of the belt |5.2.2a| | 36 |
| Offside Front Brake hose excessively damaged |3.6.B.4d| | 36 |
| Brake load sensing valve linkage defective and function impaired |3.6.E.3| | 35 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 34 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 34 |
| Rear fog lamp insecure |1.3.2a| | 34 |
| 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| | 34 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 34 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 34 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 33 |
| Front brake disc in such a condition that it is seriously weakened | 33 |
| Offside Rear Rear fog lamp missing |1.3.2a| | 32 |
| Front position lamp|s| not working |1.1.A.3b| | 32 |
| Rear brake binding | 31 |
| Nearside Outer Stop lamp not working |1.2.1b| | 31 |
| Mechanical brake component has restricted free movement | 30 |
| Nearside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 30 |
| Windscreen has damage | 30 |
| Nearside Front front brake binding |3.7.B.1| | 29 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 29 |
| Nearside Rear Shock absorber has an excessively worn bush |2.7.4| | 28 |
| Offside Rear Shock absorber detached |2.7.2b| | 28 |
| Nearside Front Brake hose excessively damaged |3.6.B.4d| | 28 |
| Offside Front Anti-roll bar ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 27 |
| Nearside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 27 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 27 |
| Service brake: efficiency below requirements |3.7.C.1a| | 27 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 27 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 25 |
| Nearside Rear Shock absorber detached |2.7.2b| | 25 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 25 |
| Offside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 25 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 25 |
| Offside Outer Stop lamp not working |1.2.1b| | 25 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 25 |
| Offside Inner Stop lamp not working |1.2.1b| | 25 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 24 |
| Offside Front Anti-roll bar ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 23 |
| Rear brake application uneven | 23 |
| Offside Front front brake binding |3.7.B.1| | 23 |
| Nearside Front Anti-roll bar ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 22 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 22 |
| Offside Front Seat belt damaged sufficient to significantly weakened the webbing |5.2.2a| | 21 |
| Offside Front position lamp|s| incorrect colour |1.1.A.3e| | 21 |
| Nearside Rear Shock absorber insecure |2.7.2b| | 20 |
| Offside Rear fog lamp emits a light other than red |1.3.2e| | 20 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 20 |
| 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| | 20 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 20 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 19 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 19 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 19 |