| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 8327 |
| Registration plate lamp issues | 6941 |
| Headlamp aim out of alignment | 5534 |
| Windscreen wiper does not clear the windscreen effectively | 4824 |
| Parking brake: efficiency below requirements |3.7.B.7| | 4420 |
| Rear parking brake recording little or no effort | 3876 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 2162 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 1990 |
| Brakes imbalanced across an axle | 1913 |
| Registration plate issues | 1517 |
| Offside Stop lamp not working |1.2.1b| | 1477 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 1458 |
| Nearside Stop lamp not working |1.2.1b| | 1362 |
| Parking brake lever has no reserve travel |3.1.6b| | 1301 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 1226 |
| Rear brake binding | 896 |
| Centre Stop lamp not working |1.2.1b| | 881 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 738 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 703 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 657 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 644 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 608 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 572 |
| Offside Rear fog lamp not working |1.3.2b| | 561 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 560 |
| Rear brake application uneven | 554 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 545 |
| Service brake: efficiency below requirements |3.7.B.7| | 544 |
| Offside Rear Stop lamp not working |1.2.1b| | 542 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 540 |
| Nearside Rear Stop lamp not working |1.2.1b| | 529 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 525 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 514 |
| Front brake disc in such a condition that it is seriously weakened | 508 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 498 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 480 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 478 |
| Rear Exhaust system not adequately supported |7.1.1| | 461 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 457 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 447 |
| Anti-lock braking system warning lamp indicates an ABS fault | 446 |
| Emissions not tested |7.0| | 445 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 402 |
| Battery insecure |1.9.1| | 391 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 381 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 373 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 372 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 338 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 336 |
| Offside Front Front wheel bearing rough when rotated |2.5.A.2| | 297 |
| Front brake application uneven | 293 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 286 |
| Stop lamp not working |1.2.1b| | 283 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 278 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 259 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 258 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 250 |
| Direction indicators incorrect colour |1.4.A.2f| | 243 |
| Windscreen wiper blade insecure | 242 |
| Nearside Front Front wheel bearing rough when rotated |2.5.A.2| | 235 |
| Windscreen has damage | 224 |
| Rear fog lamp not working |1.3.2b| | 214 |
| Offside Front Direction indicators incorrect colour |1.4.A.2f| | 212 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 212 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 208 |
| Horn not working |1.6.2a| | 206 |
| Centre Rear Stop lamp not working |1.2.1b| | 204 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 203 |
| Offside front brake binding |3.7.B.1| | 202 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 192 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 187 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 185 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 185 |
| Nearside Front Direction indicators incorrect colour |1.4.A.2f| | 182 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 179 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 175 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 172 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 170 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 169 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 168 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 164 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 160 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 157 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 150 |
| Front position lamp|s| not working |1.1.A.3b| | 145 |
| Exhaust emits excessive dense blue smoke during acceleration |7.3.A.2c| | 143 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 143 |
| Nearside front brake binding |3.7.B.1| | 138 |
| Nearside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 137 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 131 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 126 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 122 |
| Rear fog lamp tell tale not working |1.3.1b| | 121 |
| Offside Front brake disc excessively pitted |3.5.1h| | 121 |
| Offside Front front brake binding |3.7.B.1| | 119 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 119 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 118 |
| 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| | 117 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 117 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 116 |
| Offside Front position lamp|s| not in good working order |function impaired| |1.1.4a| | 114 |
| Offside Front Seat belt retracting mechanism defective |5.2.5b| | 114 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 114 |
| Exhaust system not adequately supported |7.1.1| | 111 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 106 |
| Nearside Front position lamp|s| not in good working order |function impaired| |1.1.4a| | 103 |
| Offside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 102 |
| 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| | 100 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 100 |
| Rear Mechanical brake component has restricted free movement | 100 |
| Nearside Headlamp not working on main beam |1.7.5a| | 100 |
| Nearside Headlamp insecure |1.7.3| | 98 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 97 |
| Offside Front Anti-roll bar linkage fractured |2.4.G.1| | 95 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 93 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 92 |
| Rear Rear fog lamp not working |1.3.2b| | 91 |