| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 2517 |
| Headlamp aim out of alignment | 2430 |
| Registration plate lamp issues | 1919 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 981 |
| Parking brake: efficiency below requirements |3.7.B.7| | 913 |
| Registration plate issues | 779 |
| Brake pipe excessively corroded | 761 |
| Rear parking brake recording little or no effort | 700 |
| Brakes imbalanced across an axle | 666 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 605 |
| Offside Stop lamp not working |1.2.1b| | 528 |
| Nearside Stop lamp not working |1.2.1b| | 475 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 445 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 381 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 373 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 361 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 352 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 346 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 318 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 317 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 297 |
| Parking brake lever has no reserve travel |3.1.6b| | 286 |
| Nearside Headlamp insecure |1.7.3| | 281 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 275 |
| Rear brake binding | 272 |
| Offside Headlamp insecure |1.7.3| | 223 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 222 |
| Horn not working |1.6.2a| | 218 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 210 |
| Offside Rear Stop lamp not working |1.2.1b| | 200 |
| Offside Rear wheel bearing has excessive play |2.6.2| | 198 |
| Centre Stop lamp not working |1.2.1b| | 196 |
| Nearside Rear Stop lamp not working |1.2.1b| | 182 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 178 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 174 |
| Offside Rear fog lamp not working |1.3.2b| | 173 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 156 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 154 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 151 |
| Nearside Front Direction indicator insecure |1.4.A.2b| | 140 |
| Emissions not tested |7.0| | 133 |
| Offside Front Direction indicator insecure |1.4.A.2b| | 124 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 117 |
| Rear fog lamp not working |1.3.2b| | 116 |
| Nearside Front Headlamp insecure |1.7.3| | 108 |
| Front brake disc in such a condition that it is seriously weakened | 107 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 104 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 104 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 103 |
| Offside Rear Rear wheel bearing has excessive play |2.6.2| | 101 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 100 |
| Front brake application uneven | 100 |
| Offside Rear Rear wheel bearing rough when rotated |2.6.1| | 99 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 97 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 95 |
| Rear fog lamp tell tale not working |1.3.1b| | 92 |
| Service brake: efficiency below requirements |3.7.B.7| | 91 |
| 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| | 88 |
| Offside Rear Shock absorbers has a serious fluid leak | 87 |
| Nearside Rear Rear wheel bearing has excessive play |2.6.2| | 87 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 86 |
| Windscreen has damage | 83 |
| Nearside Rear Shock absorbers has a serious fluid leak | 83 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 78 |
| Offside Front brake disc excessively pitted |3.5.1h| | 77 |
| Offside Front Headlamp insecure |1.7.3| | 77 |
| Battery insecure |1.9.1| | 76 |
| Nearside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 76 |
| Windscreen wiper blade insecure | 75 |
| Rear brake application uneven | 73 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 73 |
| Anti-lock braking system warning lamp indicates an ABS fault | 70 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 70 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 69 |
| Offside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 68 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 66 |
| Nearside Rear Rear wheel bearing rough when rotated |2.6.1| | 64 |
| Nearside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 64 |
| Offside Rear fog lamp missing |1.3.2a| | 62 |
| 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| | 60 |
| Nearside Front Shock absorbers has a serious fluid leak | 58 |
| Offside Rear Shock absorber has negligible damping effect |2.7.5| | 56 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 54 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 54 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 54 |
| Offside front brake binding |3.7.B.1| | 53 |
| 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| | 52 |
| Brake hose has insufficient room to move | 52 |
| Exhaust system not adequately supported |7.1.1| | 49 |
| Rear fog lamp switch missing |1.3.1a| | 49 |
| 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| | 49 |
| Nearside Side repeater not working |1.4.A.2c| | 49 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 48 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 48 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 47 |
| Front Exhaust system not adequately supported |7.1.1| | 47 |
| Stop lamp not working |1.2.1b| | 47 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 46 |
| Nearside Front position lamp|s| incorrect colour |1.1.A.3e| | 45 |
| Exhaust catalytic converter missing where one was fitted as standard |7.1.3| | 45 |
| Nearside Front Seat belt locking mechanism does not secure or release |5.2.5a| | 44 |
| Nearside Rear Shock absorber has negligible damping effect |2.7.5| | 44 |
| Offside Front Shock absorbers has a serious fluid leak | 43 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 43 |
| Offside Front position lamp|s| incorrect colour |1.1.A.3e| | 42 |
| Offside Front Seat belt locking mechanism does not secure or release |5.2.5a| | 41 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 41 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 41 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 40 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 40 |
| 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| | 39 |
| 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| | 39 |