| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 2115 |
| Headlamp aim out of alignment | 1792 |
| Windscreen wiper does not clear the windscreen effectively | 1686 |
| Parking brake: efficiency below requirements |3.7.B.7| | 832 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 739 |
| Rear parking brake recording little or no effort | 695 |
| Nearside Stop lamp not working |1.2.1b| | 673 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 668 |
| Offside Stop lamp not working |1.2.1b| | 585 |
| Rear brake binding | 530 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 430 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 410 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 375 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 353 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 344 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 343 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 341 |
| Offside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 325 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 324 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 318 |
| Offside Front coil spring broken |2.4.C.1a| | 316 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 289 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 285 |
| Registration plate issues | 285 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 283 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 268 |
| Front brake disc in such a condition that it is seriously weakened | 267 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 264 |
| Nearside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 255 |
| Nearside Rear coil spring broken |2.4.C.1a| | 251 |
| Rear brake disc in such a condition that it is seriously weakened | 249 |
| Offside Rear Stop lamp not working |1.2.1b| | 240 |
| Brake pipe excessively corroded | 234 |
| Offside Rear coil spring broken |2.4.C.1a| | 231 |
| Nearside Rear Stop lamp not working |1.2.1b| | 229 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 212 |
| Offside Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 209 |
| Anti-lock braking system warning lamp indicates an ABS fault | 207 |
| Nearside Front coil spring broken |2.4.C.1a| | 203 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 191 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 183 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 177 |
| Nearside Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 173 |
| Electronic parking brake warning indicates a malfunction |3.1.7| | 171 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 157 |
| Offside Front coil spring fractured |2.4.C.1a| | 156 |
| Brakes imbalanced across an axle | 154 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 152 |
| Rear Exhaust system not adequately supported |7.1.1| | 146 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 139 |
| Windscreen has damage | 136 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 133 |
| Battery insecure |1.9.1| | 130 |
| Horn not loud enough to be heard by another road user |1.6.2b| | 129 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 126 |
| Offside Front Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 125 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 122 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 119 |
| Offside Front coil spring incomplete |2.4.C.1a| | 113 |
| Nearside Front Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 105 |
| Rear Mechanical brake component has restricted free movement | 104 |
| Offside Rear fog lamp not working |1.3.2b| | 100 |
| Offside Outer Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 98 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 95 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 88 |
| 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| | 87 |
| 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| | 86 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 82 |
| Exhaust system not adequately supported |7.1.1| | 78 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 78 |
| Nearside Rear coil spring fractured |2.4.C.1a| | 78 |
| Nearside Front coil spring fractured |2.4.C.1a| | 76 |
| Nearside Steering arm has relative movement at its fixings |2.2.B.1h| | 72 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 72 |
| Nearside Front Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 71 |
| Offside Front Ball joint has excessive play |2.2.B.1f| | 69 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 68 |
| Nearside Front Steering arm has relative movement at its fixings |2.2.B.1h| | 67 |
| Offside Rear coil spring fractured |2.4.C.1a| | 66 |
| Offside Outer Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 64 |
| Nearside Headlamp not working on main beam |1.7.5a| | 62 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 62 |
| Rear fog lamp not working |1.3.2b| | 60 |
| Nearside Front Ball joint has excessive play |2.2.B.1f| | 59 |
| Nearside Outer Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 59 |
| Nearside Ball joint has excessive play |2.2.B.1f| | 58 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 56 |
| Offside Headlamp not working on main beam |1.7.5a| | 56 |
| Offside Front constant velocity joint is insecure |2.5.C.1b| | 50 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 49 |
| Centre Stop lamp not working |1.2.1b| | 48 |
| Nearside Front coil spring incomplete |2.4.C.1a| | 47 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 46 |
| Offside Ball joint has excessive play |2.2.B.1f| | 45 |
| Nearside Front constant velocity joint is insecure |2.5.C.1b| | 43 |
| Nearside Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b| | 43 |
| Nearside Rear coil spring incomplete |2.4.C.1a| | 42 |
| Emissions not tested |7.0| | 42 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 41 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 40 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 40 |
| Stop lamp remains on when the brakes are released | 40 |
| Offside Front Front constant velocity joint is insecure |2.5.C.1b| | 39 |
| Nearside Steering rack gaiter insecure |2.2.D.2d| | 39 |
| Front position lamp|s| not working |1.1.A.3b| | 39 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 38 |
| Offside Steering arm has relative movement at its fixings |2.2.B.1h| | 37 |