| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 1004 |
| Brake pipe excessively corroded | 992 |
| Headlamp aim out of alignment | 861 |
| Windscreen wiper does not clear the windscreen effectively | 637 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 529 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 374 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 349 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 298 |
| Parking brake: efficiency below requirements |3.7.B.7| | 292 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 263 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 247 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 226 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 225 |
| Brake hose excessively deteriorated | 221 |
| Offside Stop lamp not working |1.2.1b| | 215 |
| Brakes imbalanced across an axle | 200 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 191 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 182 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 179 |
| Rear parking brake recording little or no effort | 178 |
| Nearside Stop lamp not working |1.2.1b| | 173 |
| Registration plate issues | 172 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 167 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 164 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 159 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 107 |
| Offside Rear Stop lamp not working |1.2.1b| | 102 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 100 |
| Emissions not tested |7.0| | 93 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 85 |
| Nearside Rear Stop lamp not working |1.2.1b| | 84 |
| Parking brake lever has no reserve travel |3.1.6b| | 76 |
| Service brake: efficiency below requirements |3.7.B.7| | 71 |
| Offside Rear fog lamp not working |1.3.2b| | 68 |
| Indicator switch faulty |1.4.A.1| | 66 |
| Rear brake binding | 64 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 63 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 54 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 54 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 52 |
| Nearside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 51 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 51 |
| Rear brake application uneven | 50 |
| Offside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 48 |
| Nearside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 48 |
| Offside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 48 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 47 |
| Offside Rear Shock absorber has negligible damping effect |2.7.5| | 47 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 45 |
| Nearside Rear Shock absorber has negligible damping effect |2.7.5| | 45 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 44 |
| Front brake application uneven | 44 |
| Windscreen has damage | 43 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 40 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 39 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 38 |
| Windscreen wiper blade insecure | 32 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 32 |
| Nearside front brake binding |3.7.B.1| | 32 |
| Front Exhaust system not adequately supported |7.1.1| | 31 |
| Offside front brake binding |3.7.B.1| | 30 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 28 |
| Front brake disc in such a condition that it is seriously weakened | 27 |
| Exhaust emissions carbon monoxide content excessive |7.3.B.1a| | 26 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 26 |
| Nearside Headlamp insecure |1.7.3| | 25 |
| Offside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 24 |
| Nearside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 23 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 23 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 22 |
| Offside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 22 |
| Offside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 21 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 20 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 20 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 20 |
| Nearside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 19 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 19 |
| Nearside Headlamp not working on main beam |1.7.5a| | 19 |
| Horn not working |1.6.2a| | 18 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 18 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 18 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 18 |
| Front Exhaust has part of the system excessively deteriorated |7.1.1a| | 17 |
| Nearside Rear Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 16 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 16 |
| Nearside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 16 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 16 |
| Exhaust engine idle speed too high |7.3.D.1| | 16 |
| Brake hydraulic reservoir fluid level below minimum level |3.6.G.1b| | 15 |
| Rear Rear fog lamp not working |1.3.2b| | 15 |
| Offside Front front brake binding |3.7.B.1| | 15 |
| Stop lamp not working |1.2.1b| | 15 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 15 |
| Brake hose damaged | 15 |
| Nearside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 14 |
| Offside Rear Fluid suspension unit leaking |2.4.D.2| | 14 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 14 |
| Rear Shock absorber has a serious fluid leak |2.7.3| | 14 |
| Parking brake lever, pawl mechanism pivots or their associated mountings are insecure |3.1.4b| | 14 |