| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 9266 |
| Headlamp aim out of alignment | 8509 |
| Windscreen wiper does not clear the windscreen effectively | 6683 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 6044 |
| Registration plate lamp issues | 4600 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 3885 |
| Parking brake: efficiency below requirements |3.7.B.7| | 3112 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 3098 |
| Brakes imbalanced across an axle | 2671 |
| Offside Stop lamp not working |1.2.1b| | 2520 |
| Nearside Stop lamp not working |1.2.1b| | 2371 |
| Nearside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 2069 |
| Service brake: efficiency below requirements |3.7.B.7| | 1915 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 1870 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 1774 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 1727 |
| Rear parking brake recording little or no effort | 1703 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 1684 |
| Offside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1679 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 1662 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 1572 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 1556 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 1546 |
| Rear brake binding | 1522 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 1407 |
| Emissions not tested |7.0| | 1339 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 1271 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 1184 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 1143 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 1072 |
| Registration plate issues | 1071 |
| Offside Rear Stop lamp not working |1.2.1b| | 1053 |
| Nearside Rear Stop lamp not working |1.2.1b| | 1032 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 1011 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 974 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 966 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 956 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 887 |
| Rear brake application uneven | 884 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 826 |
| Front brake disc in such a condition that it is seriously weakened | 723 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 717 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 703 |
| Anti-lock braking system warning lamp indicates an ABS fault | 681 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 664 |
| Offside Rear fog lamp not working |1.3.2b| | 660 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 637 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 629 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 620 |
| Nearside Rear Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 611 |
| Nearside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 580 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 573 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 559 |
| Windscreen has damage | 553 |
| Front brake application uneven | 549 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 529 |
| Parking brake lever has no reserve travel |3.1.6b| | 528 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 525 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 511 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 495 |
| Offside Rear Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 490 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 445 |
| Offside front brake binding |3.7.B.1| | 438 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 437 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 430 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 413 |
| Nearside Rear Radius arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 405 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 401 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 389 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 384 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 384 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 381 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 379 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 374 |
| Windscreen wiper blade insecure | 359 |
| Nearside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 342 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 336 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 332 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 321 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 317 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 307 |
| Offside Rear Radius arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 307 |
| Offside Front Direction indicators incorrect colour |1.4.A.2f| | 298 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 295 |
| Direction indicators incorrect colour |1.4.A.2f| | 283 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 273 |
| Offside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 273 |
| Offside Front front brake binding |3.7.B.1| | 267 |
| Nearside Front Direction indicators incorrect colour |1.4.A.2f| | 263 |
| Rear Direction indicator incorrect colour |1.4.A.2f| | 263 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 254 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 250 |
| Nearside Rear Trailing arm rubber bush bonding deteriorated resulting in excessive movement |2.4.G.2| | 250 |
| Nearside Rear Trailing arm has excessive play in a pin/bush |2.4.G.2| | 246 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 245 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 243 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 238 |
| Offside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 237 |
| Front Exhaust has part of the system excessively deteriorated |7.1.1a| | 236 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 235 |
| Offside Rear Trailing arm rubber bush bonding deteriorated resulting in excessive movement |2.4.G.2| | 234 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 234 |
| Nearside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 233 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 231 |
| Power steering pipe|s| or hose|s| leaking from a joint |2.3.3b| | 221 |
| Rear Mechanical brake component has restricted free movement | 220 |
| Power steering pipe|s| or hose|s| leaking |2.3.3b| | 208 |
| Offside Rear Trailing arm has excessive play in a pin/bush |2.4.G.2| | 201 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 200 |
| Offside Headlamp not working on main beam |1.7.5a| | 198 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 196 |
| Nearside front brake binding |3.7.B.1| | 192 |
| Nearside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 190 |
| Direction indicator incorrect colour |1.4.A.2f| | 186 |
| Centre Exhaust has part of the system excessively deteriorated |7.1.1a| | 182 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 180 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 179 |
| Nearside Headlamp not working on main beam |1.7.5a| | 173 |
| Offside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 172 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 164 |
| Horn not working |1.6.2a| | 162 |
| Front Direction indicator incorrect colour |1.4.A.2f| | 157 |
| Rear Direction indicators incorrect colour |1.4.A.2f| | 152 |
| Nearside Side repeater incorrect colour |1.4.A.2f| | 151 |
| Exhaust tailpipe not capable of allowing the emission probe to be inserted |7.3.D.1| | 148 |
| Offside Rear Body has a sharp edge caused by corrosion |6.1.C.1| | 148 |