| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 3517 |
| Windscreen wiper does not clear the windscreen effectively | 1772 |
| Headlamp aim out of alignment | 1660 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 1093 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 612 |
| Nearside Stop lamp not working |1.2.1b| | 592 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 547 |
| Offside Stop lamp not working |1.2.1b| | 531 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 447 |
| Registration plate issues | 444 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 411 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 410 |
| Parking brake: efficiency below requirements |3.7.B.7| | 408 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 393 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 390 |
| Brakes imbalanced across an axle | 390 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 353 |
| Front brake disc in such a condition that it is seriously weakened | 336 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 324 |
| Brake pipe excessively corroded | 314 |
| Nearside Side repeater incorrect colour |1.4.A.2f| | 291 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 287 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 281 |
| Driver`s door cannot be opened from inside the vehicle |6.2.B.1b| | 278 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 271 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 255 |
| Nearside Rear Stop lamp not working |1.2.1b| | 243 |
| Offside front parking brake recording little or no effort |3.7.B.6a| | 239 |
| Offside Rear Stop lamp not working |1.2.1b| | 229 |
| Offside Rear Fluid suspension unit leaking |2.4.D.2| | 220 |
| Emissions not tested |7.0| | 199 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 184 |
| Nearside Front Fluid suspension unit leaking |2.4.D.2| | 173 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 169 |
| Nearside Rear Fluid suspension unit leaking |2.4.D.2| | 164 |
| Rear brake disc in such a condition that it is seriously weakened | 160 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 159 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 158 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 155 |
| Windscreen has damage | 154 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 150 |
| Nearside Front Fluid suspension pipe leaking |2.4.D.2| | 150 |
| Parking brake lever has no reserve travel |3.1.6b| | 140 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 133 |
| Anti-lock braking system warning lamp indicates an ABS fault | 128 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 126 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 126 |
| Service brake: efficiency below requirements |3.7.B.7| | 124 |
| Offside front brake binding |3.7.B.1| | 120 |
| Offside Front Fluid suspension unit leaking |2.4.D.2| | 120 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 119 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 116 |
| Offside Front Fluid suspension pipe leaking |2.4.D.2| | 116 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 113 |
| Rear brake binding | 110 |
| Nearside Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 106 |
| Nearside front parking brake recording little or no effort |3.7.B.6a| | 105 |
| Driver`s seat insecure |6.2.A.1| | 101 |
| Offside Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 101 |
| Rear brake application uneven | 98 |
| Offside Front Side repeater incorrect colour |1.4.A.2f| | 98 |
| Nearside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 97 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 97 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 95 |
| Hazard warning switch faulty |1.4.B.1d| | 95 |
| Power steering pipe|s| or hose|s| leaking |2.3.3b| | 93 |
| Nearside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 90 |
| Rear parking brake recording little or no effort | 89 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 89 |
| Windscreen wiper blade insecure | 88 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 83 |
| Nearside Front Side repeater incorrect colour |1.4.A.2f| | 82 |
| Offside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 82 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 78 |
| Offside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 77 |
| Brake hose has insufficient room to move | 76 |
| Nearside front brake binding |3.7.B.1| | 75 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 74 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 71 |
| Front passenger door cannot be opened from inside the vehicle |6.2.B.1b| | 69 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 67 |
| Nearside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 67 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 67 |
| Centre Stop lamp not working |1.2.1b| | 66 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 66 |
| 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| | 65 |
| 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| | 65 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 63 |
| Front brake application uneven | 63 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 60 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 59 |
| 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| | 59 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 58 |
| Offside Rear fog lamp not working |1.3.2b| | 57 |
| 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| | 53 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 53 |
| Offside Front front brake binding |3.7.B.1| | 51 |
| Nearside Rear passenger door cannot be opened from outside the vehicle |6.2.B.1c| | 50 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 50 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 49 |
| Offside Front Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 48 |
| Rear Exhaust system not adequately supported |7.1.1| | 48 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 47 |
| Power steering pipe|s| or hose|s| leaking from a joint |2.3.3b| | 46 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 46 |
| Rear brake disc excessively pitted |3.5.1h| | 45 |
| Offside Front Driver`s door cannot be opened from inside the vehicle |6.2.B.1b| | 45 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 45 |
| Mechanical brake component has restricted free movement | 45 |
| Offside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 45 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 45 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 44 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 43 |
| Offside Rear passenger door cannot be opened from outside the vehicle |6.2.B.1c| | 43 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 41 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 41 |
| Offside Front Seat belt retracting mechanism defective |5.2.5b| | 41 |
| Nearside Front front brake binding |3.7.B.1| | 41 |
| Nearside Outer Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 40 |