| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 3510 |
| Registration plate lamp issues | 2615 |
| Windscreen wiper does not clear the windscreen effectively | 2487 |
| Brake pipe excessively corroded | 1695 |
| Anti-lock braking system warning lamp indicates an ABS fault | 1482 |
| Parking brake: efficiency below requirements |3.7.B.7| | 1265 |
| Rear brake binding | 1112 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 925 |
| Nearside Stop lamp not working |1.2.1b| | 847 |
| Rear parking brake recording little or no effort | 828 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 814 |
| Offside Stop lamp not working |1.2.1b| | 806 |
| Registration plate issues | 791 |
| Brakes imbalanced across an axle | 763 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 707 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 694 |
| Brake hose excessively deteriorated | 524 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 497 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 484 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 453 |
| Parking brake lever has no reserve travel |3.1.6b| | 435 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 392 |
| Exhaust emits an excessive level of metered smoke for a non-turbo charged engine |7.4.B.3b| | 371 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 361 |
| Front brake disc in such a condition that it is seriously weakened | 354 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 350 |
| Offside Rear Stop lamp not working |1.2.1b| | 334 |
| Nearside Rear Stop lamp not working |1.2.1b| | 322 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 317 |
| Offside Front coil spring incomplete |2.4.C.1a| | 303 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 284 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 283 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 278 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 274 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 268 |
| Offside Front coil spring fractured |2.4.C.1a| | 266 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 265 |
| Emissions not tested |7.0| | 259 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 256 |
| Rear brake disc in such a condition that it is seriously weakened | 245 |
| Windscreen has damage | 237 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 235 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 221 |
| Offside Front coil spring broken |2.4.C.1a| | 220 |
| Offside Rear fog lamp not working |1.3.2b| | 219 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 209 |
| Rear brake application uneven | 207 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 199 |
| Battery insecure |1.9.1| | 198 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 195 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 187 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 177 |
| Service brake: efficiency below requirements |3.7.B.7| | 167 |
| Rear Mechanical brake component has restricted free movement | 164 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 164 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 163 |
| Nearside Front coil spring incomplete |2.4.C.1a| | 163 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 161 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 154 |
| Offside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 152 |
| Nearside Front coil spring broken |2.4.C.1a| | 147 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 146 |
| Horn not working |1.6.2a| | 144 |
| Front brake application uneven | 141 |
| 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| | 139 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 136 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 135 |
| Nearside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 134 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 131 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 127 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 126 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 126 |
| Front Exhaust system not adequately supported |7.1.1| | 124 |
| Nearside Front coil spring fractured |2.4.C.1a| | 124 |
| Nearside Front Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 124 |
| Offside Front Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 123 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 120 |
| Windscreen wiper blade insecure | 115 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 115 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 112 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 109 |
| Nearside Front Brake hose bulging under pressure |3.6.B.3| | 108 |
| Offside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 107 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 106 |
| Rear fog lamp not working |1.3.2b| | 106 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 106 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 106 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 105 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 105 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 105 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 103 |
| Offside front brake binding |3.7.B.1| | 102 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 100 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 99 |
| Nearside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 98 |
| Nearside Headlamp not working on main beam |1.7.5a| | 91 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 91 |
| Offside Headlamp not working on main beam |1.7.5a| | 90 |
| Offside Front brake disc excessively pitted |3.5.1h| | 88 |
| Nearside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 87 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 87 |
| Offside Front Anti-roll bar linkage rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 85 |
| Offside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 85 |
| 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| | 83 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 81 |
| Brake hose damaged | 79 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 78 |
| Nearside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 78 |
| Offside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 75 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 74 |
| Nearside Front Anti-roll bar linkage rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 74 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 74 |
| Front Exhaust has part of the system excessively deteriorated |7.1.1a| | 74 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 72 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 72 |
| 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| | 71 |
| Front brake excessively fluctuating | 71 |
| Nearside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 70 |
| Nearside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 69 |
| Nearside Rear Rear position lamp|s| not working |1.1.A.3b| | 69 |
| Offside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 68 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 68 |
| Nearside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 68 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 67 |
| Nearside Headlamp insecure |1.7.3| | 67 |
| Offside Steering rack gaiter split |2.2.D.2d| | 66 |
| Offside Headlamp insecure |1.7.3| | 65 |
| Offside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 64 |
| Offside Rear Rear position lamp|s| not working |1.1.A.3b| | 64 |
| Nearside Rear Shock absorber has negligible damping effect |2.7.5| | 64 |
| Offside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 63 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 61 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 61 |
| Stop lamp not working |1.2.1b| | 60 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 60 |
| Nearside front brake binding |3.7.B.1| | 60 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 59 |
| 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| | 58 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 57 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 57 |
| Offside Rear Rear wheel bearing rough when rotated |2.6.1| | 57 |
| Offside Front Brake hose bulging under pressure |3.6.B.3| | 57 |
| Nearside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 56 |