| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 561 |
| Headlamp aim out of alignment | 474 |
| Windscreen wiper does not clear the windscreen effectively | 437 |
| Brake pipe excessively corroded | 266 |
| Parking brake: efficiency below requirements |3.7.B.7| | 213 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 202 |
| Registration plate issues | 171 |
| Rear parking brake recording little or no effort | 171 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 164 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 132 |
| Brakes imbalanced across an axle | 131 |
| Nearside Stop lamp not working |1.2.1b| | 126 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 125 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 120 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 117 |
| Offside Stop lamp not working |1.2.1b| | 102 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 84 |
| Offside Rear fog lamp not working |1.3.2b| | 83 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 63 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 60 |
| Horn not working |1.6.2a| | 57 |
| Rear fog lamp not working |1.3.2b| | 55 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 55 |
| Rear fog lamp tell tale not working |1.3.1b| | 55 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 54 |
| Offside Rear Stop lamp not working |1.2.1b| | 51 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 50 |
| Nearside Rear Stop lamp not working |1.2.1b| | 49 |
| Emissions not tested |7.0| | 48 |
| Parking brake lever has no reserve travel |3.1.6b| | 48 |
| Rear brake binding | 47 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 44 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 38 |
| Offside Rear wheel bearing has excessive play |2.6.2| | 38 |
| Offside Rear fog lamp missing |1.3.2a| | 35 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 35 |
| Offside Front brake disc excessively pitted |3.5.1h| | 35 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 34 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 33 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 33 |
| Windscreen wiper blade insecure | 31 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 30 |
| Nearside Rear Shock absorber has negligible damping effect |2.7.5| | 29 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 27 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 26 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 26 |
| Offside Front position lamp|s| incorrect colour |1.1.A.3e| | 26 |
| Offside Headlamp insecure |1.7.3| | 26 |
| Rear fog lamp switch missing |1.3.1a| | 25 |
| Service brake: efficiency below requirements |3.7.B.7| | 25 |
| Windscreen has a sticker or other obstruction encroaching by more than 10mm within zone `A` |8.3.1b| | 25 |
| Windscreen has damage | 25 |
| Front brake application uneven | 25 |
| Nearside Front position lamp|s| incorrect colour |1.1.A.3e| | 24 |
| Exhaust catalytic converter missing where one was fitted as standard |7.1.3| | 23 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 22 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 21 |
| Offside Rear Rear wheel bearing has excessive play |2.6.2| | 20 |
| Rear Rear fog lamp not working |1.3.2b| | 20 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 20 |
| Offside Rear Shock absorber has negligible damping effect |2.7.5| | 19 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 19 |
| Nearside Headlamp insecure |1.7.3| | 19 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 18 |
| Rear fog lamp missing |1.3.2a| | 18 |
| Front brake disc in such a condition that it is seriously weakened | 17 |
| Nearside Rear Rear wheel bearing has excessive play |2.6.2| | 16 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 16 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 16 |
| Offside Rear fog lamp emits a light other than red |1.3.2e| | 16 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 16 |
| Offside Front Seat belt damaged sufficient to obstruct correct operation of the belt |5.2.2a| | 15 |
| Nearside Rear Rear wheel bearing rough when rotated |2.6.1| | 15 |
| Nearside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 15 |
| Offside front brake binding |3.7.B.1| | 15 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 15 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 14 |
| Rear brake application uneven | 14 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 14 |
| Nearside Headlamp not working on main beam |1.7.5a| | 14 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 14 |
| Front position lamp|s| not working |1.1.A.3b| | 13 |
| Rear Rear fog lamp missing |1.3.2a| | 13 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 13 |
| Exhaust system not adequately supported |7.1.1| | 12 |
| Offside Headlamp not working on main beam |1.7.5a| | 12 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 12 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 12 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 11 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 11 |
| Exhaust noise is clearly in excess of that emitted by a similar vehicle fitted with a standard silencer in average condition |7.1.4| | 11 |
| Bonnet cannot be secured in the closed position |8.4.1| | 11 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 11 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 11 |
| Brake hose has insufficient room to move | 11 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 11 |
| Offside Front Seat belt locking mechanism does not secure or release |5.2.5a| | 11 |
| Rear Mechanical brake component has restricted free movement | 10 |
| Offside Front Direction indicator insecure |1.4.A.2b| | 10 |
| Nearside Front Headlamp insecure |1.7.3| | 10 |
| Nearside Side repeater missing |1.4.A.2b| | 10 |
| Offside Side repeater missing |1.4.A.2b| | 10 |
| Fuel tank leaking |7.2.3| | 10 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 10 |
| Offside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 10 |
| Battery insecure |1.9.1| | 10 |
| Offside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 10 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 10 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 10 |
| Exhaust emissions carbon monoxide content excessive |7.3.B.1a| | 10 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 10 |
| Offside Rear Rear fog lamp missing |1.3.2a| | 10 |
| Offside Rear Statutory seat belt missing |5.1.1| | 9 |
| Driver`s seat insecure |6.2.A.1| | 9 |
| Front brake disc excessively pitted |3.5.1h| | 9 |
| Nearside Rear Coil spring not correctly located |2.4.C.2| | 9 |
| Rear fog lamp tell tale missing |1.3.1b| | 9 |
| Offside Front coil spring incomplete |2.4.C.1a| | 9 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 9 |
| Rear Exhaust system not adequately supported |7.1.1| | 9 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 9 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 9 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 9 |
| 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| | 8 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 8 |
| Nearside Front Direction indicator insecure |1.4.A.2b| | 8 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 8 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 8 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 8 |
| Nearside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 8 |
| Rear Stop lamp not working |1.2.1b| | 8 |
| Rear fog lamp emits a light other than red |1.3.2e| | 8 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 8 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 8 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 8 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 8 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 8 |