| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 2743 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 1851 |
| Registration plate lamp issues | 1798 |
| Headlamp aim out of alignment | 1721 |
| Windscreen wiper does not clear the windscreen effectively | 1425 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 1061 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 896 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 869 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 711 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 695 |
| Brakes imbalanced across an axle | 578 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 564 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 540 |
| Registration plate issues | 511 |
| Brake hose excessively deteriorated | 495 |
| Offside Stop lamp not working |1.2.1b| | 467 |
| Nearside Stop lamp not working |1.2.1b| | 436 |
| Parking brake: efficiency below requirements |3.7.B.7| | 378 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 366 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 341 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 333 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 307 |
| Nearside Rear Stop lamp not working |1.2.1b| | 277 |
| Offside Rear Stop lamp not working |1.2.1b| | 275 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 265 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 248 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 233 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 218 |
| Rear parking brake recording little or no effort | 213 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 202 |
| Emissions not tested |7.0| | 187 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 175 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 165 |
| Service brake: efficiency below requirements |3.7.B.7| | 145 |
| Front brake application uneven | 138 |
| Parking brake lever has no reserve travel |3.1.6b| | 136 |
| Nearside Rear Shock absorber has negligible damping effect |2.7.5| | 131 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 130 |
| Offside Rear fog lamp not working |1.3.2b| | 130 |
| Offside Rear Shock absorber has negligible damping effect |2.7.5| | 123 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 118 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 114 |
| Rear brake binding | 112 |
| Offside front brake binding |3.7.B.1| | 112 |
| Rear brake application uneven | 106 |
| Nearside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 105 |
| Windscreen has damage | 105 |
| Front brake disc in such a condition that it is seriously weakened | 104 |
| Offside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 101 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 89 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 89 |
| Windscreen wiper blade insecure | 87 |
| Horn not working |1.6.2a| | 84 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 83 |
| Nearside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 83 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 80 |
| Offside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 79 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 78 |
| Nearside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 77 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 74 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 73 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 72 |
| Nearside front brake binding |3.7.B.1| | 72 |
| Offside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 72 |
| Nearside Headlamp insecure |1.7.3| | 68 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 66 |
| Exhaust emits excessive dense blue smoke during acceleration |7.3.A.2c| | 65 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 62 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 62 |
| Nearside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 62 |
| Offside Front front brake binding |3.7.B.1| | 59 |
| Offside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 59 |
| Offside Headlamp insecure |1.7.3| | 59 |
| Exhaust engine idle speed too high |7.3.D.1| | 56 |
| Nearside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 53 |
| Mechanical brake component has restricted free movement | 53 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 51 |
| Front position lamp|s| not working |1.1.A.3b| | 50 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 48 |
| Brake hose damaged | 47 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 44 |
| Nearside Front front brake binding |3.7.B.1| | 44 |
| Offside Front brake disc excessively pitted |3.5.1h| | 42 |
| Offside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 40 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 40 |
| Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 37 |
| Rear fog lamp tell tale not working |1.3.1b| | 36 |
| Nearside Rear Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 36 |
| Rear Shock absorber has a serious fluid leak |2.7.3| | 36 |
| Rear Stop lamp not working |1.2.1b| | 34 |
| Nearside Headlamp not working on main beam |1.7.5a| | 34 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 33 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 33 |
| Stop lamp not working |1.2.1b| | 33 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 33 |
| Centre Front Exhaust has a major leak of exhaust gases |7.1.2| | 31 |
| Front Front position lamp|s| not working |1.1.A.3b| | 31 |
| Anti-lock braking system warning lamp indicates an ABS fault | 31 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 31 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 31 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 30 |
| Nearside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 30 |
| Offside Rear Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 30 |