| Most common failures | No# failures |
|---|
| Parking brake: efficiency below requirements |3.7.B.7| | 49 |
| Brake pipe excessively corroded | 24 |
| Windscreen wiper does not clear the windscreen effectively | 19 |
| Headlamp aim out of alignment | 18 |
| Rear parking brake recording little or no effort | 16 |
| Registration plate lamp issues | 15 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 15 |
| Service brake: efficiency below requirements |3.7.B.7| | 10 |
| Brake hose excessively deteriorated | 9 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 8 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 8 |
| Brakes imbalanced across an axle | 7 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 7 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 7 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 7 |
| Nearside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 7 |
| Rear brake binding | 6 |
| Offside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 6 |
| Offside Front front brake binding |3.7.B.1| | 6 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 6 |
| Parking brake lever has no reserve travel |3.1.6b| | 6 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 6 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 5 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 5 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 5 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 5 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 5 |
| Nearside front brake binding |3.7.B.1| | 5 |
| Brake hose damaged | 5 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 5 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 5 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 5 |
| Nearside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 4 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 4 |
| Nearside Front coil spring incomplete |2.4.C.1a| | 4 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 4 |
| Nearside Rear brake caliper leaking |3.6.A.1| | 4 |
| Registration plate issues | 4 |
| Offside Rear Braking system leaking |3.6.A.1| | 3 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 3 |
| Offside Front coil spring incomplete |2.4.C.1a| | 3 |
| Offside Rear fog lamp not working |1.3.2b| | 3 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 3 |
| Nearside Front front brake binding |3.7.B.1| | 3 |
| Windscreen wiper blade insecure | 3 |
| Offside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 3 |
| Offside Front Lower Suspension arm has excessive play in a pin/bush |2.4.G.2| | 3 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 3 |
| Offside Front brake disc excessively pitted |3.5.1h| | 3 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 3 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 2 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 2 |
| Windscreen has damage | 2 |
| Nearside Rear Braking system leaking |3.6.A.1| | 2 |
| Nearside Outer Front Front constant velocity joint gaiter split |2.5.C.1a| | 2 |
| Offside Front coil spring fractured |2.4.C.1a| | 2 |
| Nearside Front Coil spring not correctly located |2.4.C.2| | 2 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 2 |
| Nearside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 2 |
| Nearside Front An item not tested |Manual| | 2 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 2 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 2 |
| Anti-lock braking system warning lamp does not illuminate |3.4.1b| | 2 |
| Offside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 2 |
| Nearside Outer Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Offside Outer Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 2 |
| Offside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 2 |
| Front brake application uneven | 2 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 2 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 2 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 2 |
| Front Front position lamp|s| not working |1.1.A.3b| | 2 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 2 |
| Nearside Front coil spring fractured |2.4.C.1a| | 2 |
| Emissions not tested |7.0| | 2 |
| Offside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 2 |
| Anti-lock braking system warning lamp indicates an ABS fault | 2 |
| Nearside Rear Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 2 |
| Offside Rear Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 2 |
| Horn not working (7.7 (a)) | 1 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 1 |
| Offside Front Headlamp aim beam image too far to the left |1.6.B4| | 1 |
| Nearside Rear Upper Macpherson strut corroded and seriously weakened |2.4.G.1| | 1 |
| Offside Rear Upper Macpherson strut corroded and seriously weakened |2.4.G.1| | 1 |
| Nearside Rear Brake cable locking device missing |3.5.1l| | 1 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 1 |
| Nearside Front Anti-roll bar linkage insecure |2.4.G.1| | 1 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 1 |
| Offside Outer Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 1 |
| Offside Front coil spring broken |2.4.C.1a| | 1 |
| Nearside Front Front passenger door does not latch securely closed |6.2.B.1a| | 1 |
| Offside Rear brake caliper has restricted free movement |3.5.1k| | 1 |
| Brake hose has insufficient room to move | 1 |
| Front Brake performance not tested |3.7.A.1| | 1 |
| Nearside Rear Tie bar/rod has excessive play in a pin/bush |2.4.G.2| | 1 |
| Offside Rear Tie bar/rod has excessive play in a pin/bush |2.4.G.2| | 1 |
| Brake master cylinder fluid level below minimum level |3.6.G.1e| | 1 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Centre Exhaust has part of the system excessively deteriorated |7.1.1a| | 1 |
| Nearside Rear Coil spring mounting corroded and seriously weakened |2.4.C.3c| | 1 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 1 |
| Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 1 |
| Offside Rear fog lamp adversely affected by the operation of another lamp |1.3.2f| | 1 |
| Nearside Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 1 |
| Nearside Direction indicators not working |1.4.A.2c| | 1 |
| Front brake disc excessively pitted |3.5.1h| | 1 |
| Rear brake disc excessively pitted |3.5.1h| | 1 |
| Offside front brakes release unevenly |3.7.B.4| | 1 |
| Offside Rear front brake binding |3.7.B.1| | 1 |
| Rear Mechanical brake component has restricted free movement | 1 |
| Offside Rear Brake lever has restricted free movement |3.5.1k| | 1 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 1 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Offside Inner Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Rear Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 1 |
| Rear Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 1 |
| Rear Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 1 |
| Rear Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 1 |
| Offside Front position lamp|s| not in good working order |function impaired| |1.1.4a| | 1 |
| Power steering malfunctioning |2.3.3a| | 1 |
| Nearside Front Wheel nut|s| missing |4.2.A.1e| | 1 |
| Nearside Rear Wheel nut|s| missing |4.2.A.1e| | 1 |
| Offside Rear Wheel nut|s| missing |4.2.A.1e| | 1 |
| Nearside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Offside Front Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b| | 1 |
| Mechanical brake component has restricted free movement | 1 |
| Offside Inner Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Nearside Inner Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Nearside Inner Rear Suspension component mounting prescribed area is inadequately repaired |2.4.A.3| | 1 |
| Offside Inner Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 1 |
| Offside front brake binding |3.7.B.1| | 1 |
| Offside Front Shock absorber insecure |2.7.2b| | 1 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 1 |
| Nearside Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Offside Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Nearside Rear An item not tested |Manual| | 1 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 1 |
| Nearside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 1 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 1 |
| Offside Rear Tie bar/rod has excessive play in a ball joint |2.4.G.2| | 1 |
| Nearside Rear Anti-roll bar linkage fractured |2.4.G.1| | 1 |
| Nearside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 1 |
| Front Power steering pipe|s| or hose|s| leaking |2.3.3b| | 1 |
| Offside Outer Headlamp not working on dipped beam |1.7.5a| | 1 |
| Rear Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Nearside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 1 |
| Offside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 1 |
| Exhaust engine idle speed too high |7.3.D.1| | 1 |
| Offside front brake juddering severely |3.7.A.2b| | 1 |
| rear brake recording little or no effort |3.7.B.5a| | 1 |
| Power steering ram|s| leaking from a failed seal |2.3.3b| | 1 |
| Nearside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Fuel cap/sealing device sealing washer deteriorated |7.2.4c| | 1 |
| Nearside Rear Rear fog lamp not working |1.3.2b| | 1 |
| Nearside Rear Rear position lamp|s| incorrect colour |1.1.A.3e| | 1 |
| Offside Front Brake hose twisted |found during steering lock to lock check| |2.2.D.2b| | 1 |
| Offside Headlamp aim not tested |1.8.A.1c| | 1 |
| Offside Stop lamp not working |1.2.1b| | 1 |
| Nearside Front Headlamp not in good working order |not working| |1.2.4a| | 1 |
| Rear fog lamp switch missing |1.3.1a| | 1 |
| Rear fog lamp missing |1.3.2a| | 1 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 1 |
| Nearside Power steering ram|s| leaking from a failed component |2.3.3b| | 1 |
| Rear Brake pipe inadequately clipped |3.6.B.1| | 1 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Brake lever has abnormal movement of levers indicating maladjustment |3.5.1f| | 1 |
| Nearside Front Front constant velocity joint is excessively worn |2.5.C.1b| | 1 |
| Nearside Front constant velocity joint is insecure |2.5.C.1b| | 1 |
| Nearside Headlamp extinguishes when tapped lightly by hand |1.2.4c| | 1 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Horn control missing |1.6.1| | 1 |
| Offside Rear Parking brake is not capable of being maintained in operation by direct mechanical action only |3.1.2| | 1 |
| Nearside Headlamp not working on main beam |1.7.5a| | 1 |
| Offside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Nearside Parking brake recording little or no effort |3.7.D.3a| | 1 |
| Offside Parking brake recording little or no effort |3.7.D.3a| | 1 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 1 |
| Nearside Lower Front suspension has excessive movement at a wishbone pin or bush |2.5.A.1c| | 1 |
| Offside Lower Front suspension has excessive movement at a wishbone pin or bush |2.5.A.1c| | 1 |
| Offside Headlamp insecure |1.7.3| | 1 |
| All position lamps adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Stop lamp not working |1.2.1b| | 1 |
| Nearside front brakes release unevenly |3.7.B.4| | 1 |
| Nearside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 1 |
| Offside Stop lamp excessively damaged so that it is not visible from a reasonable distance |1.2.1d| | 1 |
| Offside Front brake disc excessively scored |3.5.1h| | 1 |
| Central Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Offside Front Lower Suspension arm synthetic bush deteriorated resulting in excessive movement (2.4.G.2) | 1 |
| Nearside Front Anti-roll bar worn and seriously weakened (2.4.G.1) | 1 |
| Offside Front Anti-roll bar worn and seriously weakened (2.4.G.1) | 1 |
| Battery insecure and likely to fall from carrier (4.13 (a) (ii)) | 1 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 1 |
| Nearside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Offside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Nearside Front Front drive shaft coupling flexible rubber or fabric coupling unit breaking up |2.5.C.1d| | 1 |
| Offside Front Front drive shaft coupling flexible rubber or fabric coupling unit breaking up |2.5.C.1d| | 1 |
| Offside Rear Anti-roll bar linkage fractured |2.4.G.1| | 1 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 1 |
| Rear front parking brake recording little or no effort |3.7.B.6a| | 1 |
| Offside Rear Anti-roll bar linkage insecure |2.4.G.1| | 1 |
| Nearside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Rear Rear fog lamp not working |1.3.2b| | 1 |
| Offside brake caliper leaking |3.6.A.1| | 1 |