| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 274 |
| Brake pipe excessively corroded | 261 |
| Headlamp aim out of alignment | 243 |
| Windscreen wiper does not clear the windscreen effectively | 194 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 86 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 77 |
| Parking brake: efficiency below requirements |3.7.B.7| | 76 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 75 |
| Registration plate issues | 71 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 71 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 63 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 56 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 55 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 54 |
| Nearside Stop lamp not working |1.2.1b| | 50 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 48 |
| Brakes imbalanced across an axle | 45 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 40 |
| Anti-lock braking system warning lamp indicates an ABS fault | 39 |
| Offside Stop lamp not working |1.2.1b| | 38 |
| Rear parking brake recording little or no effort | 37 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 37 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 35 |
| Emissions not tested |7.0| | 30 |
| Offside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 29 |
| Offside Rear fog lamp not working |1.3.2b| | 27 |
| Parking brake lever has no reserve travel |3.1.6b| | 27 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 25 |
| Nearside Rear Stop lamp not working |1.2.1b| | 25 |
| Offside Rear Stop lamp not working |1.2.1b| | 25 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 23 |
| Nearside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 22 |
| Rear brake binding | 22 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 21 |
| Rear brake disc in such a condition that it is seriously weakened | 19 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 18 |
| Service brake: efficiency below requirements |3.7.B.7| | 18 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 18 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 18 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 17 |
| Nearside front brake binding |3.7.B.1| | 17 |
| Offside front brake binding |3.7.B.1| | 17 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 16 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 15 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 15 |
| Nearside Headlamp not working on main beam |1.7.5a| | 15 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 14 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 13 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 13 |
| Brake hose excessively deteriorated | 13 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 13 |
| Rear brake application uneven | 13 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 13 |
| Windscreen has damage | 13 |
| Mechanical brake component has restricted free movement | 12 |
| Front brake application uneven | 12 |
| Offside Front coil spring fractured |2.4.C.1a| | 12 |
| Nearside Front front brake binding |3.7.B.1| | 12 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 11 |
| Offside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 11 |
| Offside Headlamp not working on main beam |1.7.5a| | 11 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 11 |
| Offside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 11 |
| Offside Front coil spring incomplete |2.4.C.1a| | 11 |
| Nearside Front coil spring fractured |2.4.C.1a| | 10 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 10 |
| Offside Front brake disc excessively pitted |3.5.1h| | 9 |
| Offside Front Shock absorber has negligible damping effect |2.7.5| | 9 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 9 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 9 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 9 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 9 |
| Nearside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 9 |
| Offside Front front brake binding |3.7.B.1| | 9 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 8 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 8 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 8 |
| Nearside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 8 |
| Nearside Rear Shock absorber has negligible damping effect |2.7.5| | 8 |
| Windscreen wiper blade insecure | 8 |
| Rear Stop lamp not working |1.2.1b| | 7 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 7 |
| Rear fog lamp tell tale not working |1.3.1b| | 7 |
| Offside Rear Shock absorber has negligible damping effect |2.7.5| | 7 |
| Rear Mechanical brake component has restricted free movement | 7 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 7 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 7 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 7 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 6 |
| Offside Outer Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 6 |
| Bonnet cannot be secured in the closed position |8.4.1| | 6 |
| Offside Headlamp insecure |1.7.3| | 6 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 6 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 6 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 6 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 6 |
| Bonnet retaining device ineffective |8.4.2| | 6 |
| Nearside Outer Front Front constant velocity joint gaiter split |2.5.C.1a| | 6 |
| Offside Headlamp aim not tested |1.8.A.1c| | 6 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 6 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 6 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 6 |
| Nearside Front Steering rack gaiter split |2.2.D.2d| | 6 |
| Windscreen washer not working | 5 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 5 |
| Horn not working |1.6.2a| | 5 |
| Rear Rear fog lamp not working |1.3.2b| | 5 |
| Fuel tank leaking |7.2.3| | 5 |
| Offside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 5 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 5 |
| Brake load sensing valve linkage defective and function impaired |3.6.E.3| | 5 |
| Nearside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 5 |
| Nearside Rear brake disc excessively scored |3.5.1h| | 5 |
| Brake hydraulic reservoir fluid level below minimum level |3.6.G.1b| | 5 |
| Rear brake disc excessively pitted |3.5.1h| | 5 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 5 |