| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 310 |
| Headlamp aim out of alignment | 132 |
| Windscreen wiper does not clear the windscreen effectively | 130 |
| Parking brake: efficiency below requirements |3.7.B.7| | 99 |
| Registration plate lamp issues | 99 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 83 |
| Rear parking brake recording little or no effort | 68 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 60 |
| Offside Stop lamp not working |1.2.1b| | 54 |
| Registration plate issues | 53 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 49 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 48 |
| Nearside Stop lamp not working |1.2.1b| | 47 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 43 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 42 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 41 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 40 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 35 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 34 |
| Emissions not tested |7.0| | 33 |
| Service brake: efficiency below requirements |3.7.B.7| | 33 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 31 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 30 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 29 |
| Nearside Rear Stop lamp not working |1.2.1b| | 29 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 28 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 28 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 26 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 25 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 24 |
| Offside Rear Stop lamp not working |1.2.1b| | 24 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 23 |
| Rear brake binding | 23 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 23 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 22 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 22 |
| Brakes imbalanced across an axle | 21 |
| Anti-lock braking system warning lamp indicates an ABS fault | 19 |
| Parking brake lever has no reserve travel |3.1.6b| | 18 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 17 |
| Windscreen has damage | 15 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 14 |
| Rear Exhaust system not adequately supported |7.1.1| | 14 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 14 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 13 |
| Nearside Front Shock absorber has negligible damping effect |2.7.5| | 12 |
| Nearside Rear Shock absorber has negligible damping effect |2.7.5| | 11 |
| Offside Front Shock absorber has negligible damping effect |2.7.5| | 11 |
| Steering column top bearing excessively worn |2.1.2c| | 10 |
| Offside Rear fog lamp not working |1.3.2b| | 10 |
| Steering system has excessive free play detected at the steering wheel |steering box fitted| |2.2.A.1a| | 10 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 10 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 9 |
| Offside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 9 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 8 |
| Exhaust tailpipe not capable of allowing the emission probe to be inserted |7.3.D.1| | 8 |
| Horn not working |1.6.2a| | 8 |
| Windscreen wiper blade insecure | 8 |
| Stop lamp not working |1.2.1b| | 8 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 7 |
| Rear brake disc in such a condition that it is seriously weakened | 7 |
| Offside Front Brake pipe leaking |3.6.A.1| | 7 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 7 |
| Offside Rear Shock absorber has negligible damping effect |2.7.5| | 7 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 7 |
| Brake hydraulic reservoir fluid level below minimum level |3.6.G.1b| | 7 |
| Front position lamp|s| not working |1.1.A.3b| | 7 |
| Nearside Rear Seat belt has a cut which has significantly weakened the webbing |5.2.2a| | 7 |
| Front brake disc in such a condition that it is seriously weakened | 7 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 7 |
| Offside Outer Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 6 |
| Brake hose excessively deteriorated | 6 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 6 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 6 |
| Front wheel bearing has excessive play |2.5.A.3c| | 6 |
| Fuel tank leaking |7.2.3| | 6 |
| Offside Front Direction indicator not working |1.4.A.2c| | 6 |
| Nearside Front Exhaust has a major leak of exhaust gases |7.1.2| | 6 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 6 |
| Steering column movement between the shaft and steering wheel |2.1.2b| | 6 |
| Anti-lock braking system warning lamp does not illuminate |3.4.1b| | 6 |
| Offside Headlamp insecure |1.7.3| | 5 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 5 |
| Rear Fuel pipe leaking |7.2.3| | 5 |
| Steering column top mounting bracket insecure |2.1.2d| | 5 |
| Nearside front brake binding |3.7.B.1| | 5 |
| Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 5 |
| Offside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 5 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 5 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 5 |
| Offside Front Exhaust has a major leak of exhaust gases |7.1.2| | 5 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 5 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 5 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 5 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 5 |
| Offside Rear Rear position lamp|s| incomplete |1.1.4a| | 5 |
| Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 5 |
| Offside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 5 |
| Nearside Headlamp insecure |1.7.3| | 5 |
| Offside Rear Seat belt has a cut which has significantly weakened the webbing |5.2.2a| | 5 |
| Nearside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 5 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 5 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 4 |
| Nearside Outer Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 4 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 4 |
| Centre Exhaust has part of the system excessively deteriorated |7.1.1a| | 4 |
| Nearside Front Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 4 |
| Offside Front Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 4 |
| Rear Stop lamp not working |1.2.1b| | 4 |
| Exhaust system not adequately supported |7.1.1| | 4 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 4 |
| Offside Rear position lamp|s| incomplete |1.1.4a| | 4 |
| Offside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 4 |
| Centre Rear Exhaust has a major leak of exhaust gases |7.1.2| | 4 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 4 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 4 |
| Nearside Rear position lamp|s| incomplete |1.1.4a| | 4 |
| Fuel system component leaking |7.2.3| | 4 |
| Nearside Rear position lamp|s| insecure |1.1.A.3a| | 4 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 4 |
| Offside Front Steering component mounting prescribed area is excessively corroded |2.2.C.1h| | 4 |
| Nearside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 4 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 4 |
| Nearside Rear position lamp|s| incorrect colour |1.1.A.3e| | 4 |
| Nearside Rear Statutory seat belt missing |5.1.1| | 4 |
| Offside Front Lower Ball joint has excessive play |2.2.B.1f| | 4 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 4 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 4 |
| Nearside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 4 |
| Front brake application uneven | 4 |
| Offside Front Lower Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 3 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 3 |
| Rear fog lamp not working |1.3.2b| | 3 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Offside front brake binding |3.7.B.1| | 3 |
| Offside Rear position lamp|s| incorrect colour |1.1.A.3e| | 3 |
| Offside Rear Fuel pipe leaking |7.2.3| | 3 |
| Rear Mechanical brake component has restricted free movement | 3 |
| Offside Front Braking system leaking |3.6.A.1| | 3 |
| Offside Rear Brake pipe leaking |3.6.A.1| | 3 |
| Centre Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 3 |
| Hazard warning switch faulty |1.4.B.1d| | 3 |
| Direction indicators not working |1.4.A.2c| | 3 |
| Offside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 3 |
| Offside Headlamp not working on main beam |1.7.5a| | 3 |
| Front Exhaust has part of the system excessively deteriorated |7.1.1a| | 3 |
| Fuel hose leaking |7.2.3| | 3 |
| Front Power steering pipe|s| or hose|s| leaking |2.3.3b| | 3 |
| Centre Exhaust system not adequately supported |7.1.1| | 3 |
| Nearside Front Direction indicators not working |1.4.A.2c| | 3 |
| Nearside Rear Body has a sharp edge caused by corrosion |6.1.C.1| | 3 |
| Rear Exhaust has a part missing |7.1.1a| | 3 |
| rear brake recording little or no effort |3.7.B.5a| | 3 |
| Offside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 3 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 3 |
| Offside Rear position lamp|s| excessively damaged so that it is not visible from a reasonable distance |1.1.A.3d| | 3 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 3 |
| Nearside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 3 |
| Offside Front Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 3 |
| Nearside Stop lamp emits other than a steady red light |1.2.1e| | 3 |
| Power steering pipe|s| or hose|s| leaking |2.3.3b| | 3 |
| Nearside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 3 |
| Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 3 |
| Nearside Rear Wheel nut|s| missing |4.2.A.1e| | 3 |
| Nearside Front Lower Ball joint has excessive play |2.2.B.1f| | 3 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 3 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 3 |
| Nearside Side repeater not working |1.4.A.2c| | 3 |
| Offside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 3 |
| Centre Front Exhaust has a major leak of exhaust gases |7.1.2| | 3 |
| Offside Front Upper Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 3 |
| Front Exhaust system not adequately supported |7.1.1| | 3 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 3 |