| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 6003 |
| Headlamp aim out of alignment | 3658 |
| Windscreen wiper does not clear the windscreen effectively | 3416 |
| Registration plate lamp issues | 3386 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 1767 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 1624 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 1436 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 1299 |
| Registration plate issues | 993 |
| Nearside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 788 |
| Brakes imbalanced across an axle | 771 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 713 |
| Anti-lock braking system warning lamp indicates an ABS fault | 707 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 702 |
| Offside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 650 |
| Offside Stop lamp not working |1.2.1b| | 627 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 623 |
| Nearside Stop lamp not working |1.2.1b| | 564 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 481 |
| Emissions not tested |7.0| | 448 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 435 |
| Parking brake: efficiency below requirements |3.7.B.7| | 424 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 413 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 397 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 397 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 380 |
| Rear brake application uneven | 346 |
| Offside Rear Stop lamp not working |1.2.1b| | 324 |
| Offside Rear fog lamp not working |1.3.2b| | 317 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 309 |
| Nearside Rear Stop lamp not working |1.2.1b| | 302 |
| Rear parking brake recording little or no effort | 290 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 285 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 273 |
| Brake hose excessively deteriorated | 264 |
| Nearside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 257 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 256 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 238 |
| Offside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 232 |
| Nearside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 218 |
| Windscreen wiper blade insecure | 201 |
| Service brake: efficiency below requirements |3.7.B.7| | 200 |
| Rear brake binding | 198 |
| Nearside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 196 |
| Offside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 186 |
| Nearside Rear Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 179 |
| Windscreen has damage | 171 |
| Offside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 171 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 164 |
| Front brake application uneven | 158 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 147 |
| Centre Stop lamp not working |1.2.1b| | 146 |
| Offside Rear Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 146 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 133 |
| Front position lamp|s| not working |1.1.A.3b| | 126 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 125 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 123 |
| Rear fog lamp tell tale not working |1.3.1b| | 119 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 114 |
| Front brake disc in such a condition that it is seriously weakened | 112 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 111 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 109 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 109 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 103 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 100 |
| Rear fog lamp switch faulty |1.3.1a| | 99 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 98 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 96 |
| Nearside Rear Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 94 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 94 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 94 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 91 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 91 |
| Horn not working |1.6.2a| | 86 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 86 |
| Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 82 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 82 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 81 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 80 |
| Nearside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 80 |
| Anti-lock braking system warning lamp does not illuminate |3.4.1b| | 78 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 78 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 78 |
| Offside Rear Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 76 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 76 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 73 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 72 |
| Battery insecure |1.9.1| | 71 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 71 |
| Rear fog lamp not working |1.3.2b| | 70 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 70 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 69 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 67 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 67 |
| Parking brake lever has no reserve travel |3.1.6b| | 66 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 61 |
| Fuel tank leaking |7.2.3| | 58 |
| Exhaust emits excessive dense blue smoke during acceleration |7.3.A.2c| | 58 |