| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 12710 |
| Brake pipe excessively corroded | 9599 |
| Parking brake: efficiency below requirements |3.7.B.7| | 9496 |
| Windscreen wiper does not clear the windscreen effectively | 6576 |
| Rear parking brake recording little or no effort | 6456 |
| Rear brake binding | 5460 |
| Brakes imbalanced across an axle | 3746 |
| Registration plate lamp issues | 3499 |
| Service brake: efficiency below requirements |3.7.B.7| | 2259 |
| Parking brake lever has no reserve travel |3.1.6b| | 2012 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 1304 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 1292 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 1210 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 1198 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 1168 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 1167 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 1074 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 1029 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 982 |
| Nearside Side repeater not working |1.4.A.2c| | 757 |
| Fuel tank leaking |7.2.3| | 755 |
| Rear Mechanical brake component has restricted free movement | 749 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 731 |
| Offside Side repeater not working |1.4.A.2c| | 720 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 697 |
| Emissions not tested |7.0| | 653 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 627 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 575 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 562 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 514 |
| Rear brake application uneven | 493 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 492 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 479 |
| Front brake application uneven | 447 |
| Battery insecure |1.9.1| | 435 |
| Registration plate issues | 433 |
| Offside Headlamp insecure |1.7.3| | 419 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 380 |
| Nearside Headlamp insecure |1.7.3| | 374 |
| Horn not working |1.6.2a| | 369 |
| Nearside Front Direction indicators incorrect colour |1.4.A.2f| | 359 |
| Offside front brake binding |3.7.B.1| | 356 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 356 |
| Windscreen wiper blade insecure | 355 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 346 |
| Offside Stop lamp not working |1.2.1b| | 340 |
| Front brake disc in such a condition that it is seriously weakened | 338 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 336 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 325 |
| Offside Front Direction indicators incorrect colour |1.4.A.2f| | 325 |
| Brake hose excessively deteriorated | 318 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 314 |
| Windscreen has damage | 308 |
| Front Exhaust system not adequately supported |7.1.1| | 303 |
| Nearside Stop lamp not working |1.2.1b| | 275 |
| Nearside front brake binding |3.7.B.1| | 274 |
| Nearside Rear Rear wheel bearing rough when rotated |2.6.1| | 243 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 242 |
| Offside Rear Rear wheel bearing rough when rotated |2.6.1| | 241 |
| Offside Front Direction indicator not working |1.4.A.2c| | 225 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 220 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 218 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 214 |
| Offside Rear Brake lever has restricted free movement |3.5.1k| | 211 |
| Driver`s seat insecure |6.2.A.1| | 209 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 207 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 204 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 202 |
| Nearside Front Side repeater not working |1.4.A.2c| | 197 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 193 |
| Offside Front front brake binding |3.7.B.1| | 192 |
| Exhaust system not adequately supported |7.1.1| | 192 |
| Offside Front Side repeater not working |1.4.A.2c| | 191 |
| Mechanical brake component has restricted free movement | 189 |
| Offside Front coil spring broken |2.4.C.1a| | 187 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 186 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 173 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 172 |
| Offside Front Headlamp insecure |1.7.3| | 165 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 161 |
| Windscreen washer not working | 159 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 154 |
| Offside Front brake disc excessively pitted |3.5.1h| | 154 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 153 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 152 |
| Offside Windscreen wiper not operating over a large enough area to give an adequate view |8.2.1c| | 150 |
| rear brake recording little or no effort |3.7.B.5a| | 149 |
| Offside Rear An item not tested |Manual| | 147 |
| Nearside Front front brake binding |3.7.B.1| | 144 |
| Offside Headlamp not working on main beam |1.7.5a| | 143 |
| Rear Exhaust system not adequately supported |7.1.1| | 140 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 139 |
| Nearside Front Headlamp insecure |1.7.3| | 139 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 138 |
| Nearside Side repeater incorrect colour |1.4.A.2f| | 137 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 134 |
| Offside Front Brake pipe leaking |3.6.A.1| | 128 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 122 |
| Offside Rear Stop lamp not working |1.2.1b| | 121 |