| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 4067 |
| Headlamp aim out of alignment | 2785 |
| Windscreen wiper does not clear the windscreen effectively | 2562 |
| Rear brake binding | 1308 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 1011 |
| Brake pipe excessively corroded | 961 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 808 |
| Offside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 769 |
| Parking brake: efficiency below requirements |3.7.B.7| | 769 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 707 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 676 |
| Nearside Stop lamp not working |1.2.1b| | 666 |
| Nearside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 603 |
| Offside Stop lamp not working |1.2.1b| | 599 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 599 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 591 |
| Registration plate issues | 591 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 545 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 541 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 532 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 525 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 511 |
| Brakes imbalanced across an axle | 500 |
| Rear parking brake recording little or no effort | 499 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 497 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 486 |
| Rear brake disc in such a condition that it is seriously weakened | 485 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 479 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 479 |
| Front brake disc in such a condition that it is seriously weakened | 474 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 405 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 360 |
| Offside Front Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 322 |
| Nearside Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 317 |
| Offside Front coil spring broken |2.4.C.1a| | 312 |
| Offside Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 310 |
| Offside Rear Stop lamp not working |1.2.1b| | 267 |
| Nearside Rear Stop lamp not working |1.2.1b| | 247 |
| Anti-lock braking system warning lamp indicates an ABS fault | 244 |
| Offside Front coil spring fractured |2.4.C.1a| | 241 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 239 |
| Rear Mechanical brake component has restricted free movement | 238 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 229 |
| Nearside Front coil spring broken |2.4.C.1a| | 228 |
| Nearside Front Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 219 |
| Nearside Rear coil spring broken |2.4.C.1a| | 206 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 196 |
| Centre Stop lamp not working |1.2.1b| | 194 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 190 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 187 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 186 |
| Battery insecure |1.9.1| | 185 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 184 |
| Offside Front coil spring incomplete |2.4.C.1a| | 184 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 173 |
| Offside Rear coil spring broken |2.4.C.1a| | 163 |
| Offside Outer Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 162 |
| Windscreen has damage | 152 |
| 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| | 151 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 145 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 143 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 138 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 138 |
| 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| | 137 |
| 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| | 137 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 136 |
| Electronic parking brake warning indicates a malfunction |3.1.7| | 136 |
| 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| | 134 |
| Offside Rear fog lamp not working |1.3.2b| | 128 |
| Front brake application uneven | 128 |
| Horn not loud enough to be heard by another road user |1.6.2b| | 128 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 127 |
| Nearside Outer Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 121 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 112 |
| Nearside Rear coil spring fractured |2.4.C.1a| | 108 |
| Nearside Front coil spring fractured |2.4.C.1a| | 105 |
| Nearside Front coil spring incomplete |2.4.C.1a| | 103 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 103 |
| Rear Exhaust system not adequately supported |7.1.1| | 100 |
| Horn not working |1.6.2a| | 99 |
| Nearside Front Ball joint has excessive play |2.2.B.1f| | 98 |
| Nearside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 95 |
| Nearside Rear Shock absorber has an excessively worn bush |2.7.4| | 94 |
| Nearside Headlamp not working on main beam |1.7.5a| | 92 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 90 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 86 |
| Offside Front brake disc excessively pitted |3.5.1h| | 86 |
| Nearside Front constant velocity joint is insecure |2.5.C.1b| | 83 |
| Rear fog lamp not working |1.3.2b| | 83 |
| Offside Front Ball joint has excessive play |2.2.B.1f| | 82 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 81 |
| Nearside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 80 |
| Emissions not tested |7.0| | 80 |
| Offside Headlamp not working on main beam |1.7.5a| | 79 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 78 |
| Stop lamp not working |1.2.1b| | 78 |
| Offside Front constant velocity joint is insecure |2.5.C.1b| | 74 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 74 |
| Offside Rear Shock absorber has an excessively worn bush |2.7.4| | 74 |
| Nearside Ball joint has excessive play |2.2.B.1f| | 74 |
| Nearside Front Steering arm has relative movement at its fixings |2.2.B.1h| | 74 |
| Exhaust system not adequately supported |7.1.1| | 73 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 73 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 72 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 71 |
| Offside Front Lower Ball joint has excessive play |2.2.B.1f| | 71 |
| Nearside Steering arm has relative movement at its fixings |2.2.B.1h| | 71 |
| Nearside Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b| | 70 |
| Windscreen wiper blade insecure | 68 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 68 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 67 |
| Rear brake disc excessively pitted |3.5.1h| | 65 |
| Offside Front Front constant velocity joint is insecure |2.5.C.1b| | 65 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 64 |
| Nearside Front Lower Ball joint has excessive play |2.2.B.1f| | 63 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 62 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 62 |
| Service brake: efficiency below requirements |3.7.B.7| | 61 |
| Parking brake lever has no reserve travel |3.1.6b| | 60 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 60 |