| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 11527 |
| Parking brake: efficiency below requirements |3.7.B.7| | 11437 |
| Windscreen wiper does not clear the windscreen effectively | 11037 |
| Registration plate lamp issues | 8725 |
| Rear parking brake recording little or no effort | 6300 |
| Brake pipe excessively corroded | 6191 |
| Offside Stop lamp not working |1.2.1b| | 3923 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 3639 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 3549 |
| Nearside Stop lamp not working |1.2.1b| | 3316 |
| Brakes imbalanced across an axle | 2923 |
| Registration plate issues | 2876 |
| Rear brake binding | 2741 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 1874 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 1844 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 1793 |
| Service brake: efficiency below requirements |3.7.B.7| | 1772 |
| Offside Rear Stop lamp not working |1.2.1b| | 1701 |
| Parking brake lever has no reserve travel |3.1.6b| | 1588 |
| Nearside Rear Stop lamp not working |1.2.1b| | 1521 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 1520 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 1503 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1486 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1484 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 1430 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 1430 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 1412 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 1390 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 1278 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 1093 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 1071 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 1043 |
| Rear brake disc in such a condition that it is seriously weakened | 889 |
| Offside front brake binding |3.7.B.1| | 798 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 774 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 710 |
| Emissions not tested |7.0| | 708 |
| Front brake disc in such a condition that it is seriously weakened | 694 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 684 |
| Nearside front brake binding |3.7.B.1| | 676 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 676 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 660 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 647 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 634 |
| Anti-lock braking system warning lamp indicates an ABS fault | 627 |
| Battery insecure |1.9.1| | 603 |
| Front brake application uneven | 560 |
| Rear brake application uneven | 541 |
| Offside Front Direction indicators incorrect colour |1.4.A.2f| | 522 |
| Nearside Front Direction indicators incorrect colour |1.4.A.2f| | 506 |
| Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 500 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 500 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 485 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 482 |
| Nearside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 475 |
| Windscreen has damage | 467 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 462 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 461 |
| Offside Front front brake binding |3.7.B.1| | 456 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 443 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 427 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 421 |
| Offside Rear fog lamp not working |1.3.2b| | 419 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 418 |
| Rear Mechanical brake component has restricted free movement | 414 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 398 |
| Windscreen wiper blade insecure | 391 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 374 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 373 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 367 |
| Front Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 356 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 349 |
| Front Exhaust system not adequately supported |7.1.1| | 347 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 340 |
| Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 326 |
| Horn not working |1.6.2a| | 322 |
| Nearside Side repeater incorrect colour |1.4.A.2f| | 321 |
| Nearside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 315 |
| Exhaust system not adequately supported |7.1.1| | 313 |
| Nearside Front front brake binding |3.7.B.1| | 312 |
| Mechanical brake component has restricted free movement | 308 |
| Nearside Rear Seat belt retracting mechanism defective |5.2.5b| | 303 |
| Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 303 |
| Offside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 295 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 294 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 288 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 287 |
| Nearside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 283 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 282 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 281 |
| Brake hose excessively deteriorated | 270 |
| Offside Rear Seat belt retracting mechanism defective |5.2.5b| | 264 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 261 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 258 |
| Nearside Headlamp insecure |1.7.3| | 257 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 254 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 248 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 246 |
| Front position lamp|s| not working |1.1.A.3b| | 238 |
| Direction indicators incorrect colour |1.4.A.2f| | 226 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 221 |
| Offside Headlamp not working on main beam |1.7.5a| | 215 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 214 |
| Offside Headlamp insecure |1.7.3| | 208 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 208 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 205 |
| Rear brake disc excessively pitted |3.5.1h| | 205 |
| Nearside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 204 |
| Nearside Headlamp not working on main beam |1.7.5a| | 204 |
| Nearside Outer Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 202 |
| Offside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 197 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 197 |
| Offside Outer Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 195 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 194 |
| Stop lamp not working |1.2.1b| | 190 |
| Rear fog lamp not working |1.3.2b| | 188 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 185 |