| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 172 |
| Parking brake: efficiency below requirements |3.7.B.7| | 131 |
| Rear parking brake recording little or no effort | 94 |
| Horn not working |1.6.2a| | 57 |
| Brakes imbalanced across an axle | 56 |
| Registration plate lamp issues | 47 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 40 |
| Brake hose excessively deteriorated | 39 |
| Registration plate issues | 38 |
| Nearside Stop lamp not working |1.2.1b| | 31 |
| Offside Stop lamp not working |1.2.1b| | 27 |
| Battery insecure |1.9.1| | 25 |
| Service brake: efficiency below requirements |3.7.B.7| | 24 |
| Windscreen washer not working | 16 |
| Windscreen wiper does not clear the windscreen effectively | 16 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 15 |
| Steering system has excessive free play detected at the steering wheel |steering box fitted| |2.2.A.1a| | 15 |
| Rear brake application uneven | 15 |
| Rear brake binding | 14 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 14 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 14 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 13 |
| Offside Front Direction indicator not working |1.4.A.2c| | 12 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 12 |
| Nearside Headlamp aim beam image kick up to the offside |1.8| | 11 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 11 |
| Brake hose has insufficient room to move | 11 |
| Front brake application uneven | 11 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 11 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 10 |
| Offside Rear Stop lamp not working |1.2.1b| | 10 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 10 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 10 |
| Horn not working (7.7 (a) (ii)) | 10 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 10 |
| Nearside front brake binding |3.7.B.1| | 9 |
| Power steering pipe|s| or hose|s| fouling other parts of the vehicle |2.3.2| | 9 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 9 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 8 |
| Parking brake lever has no reserve travel |3.1.6b| | 8 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 8 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 7 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 7 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 7 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 7 |
| Stop lamp not working |1.2.1b| | 7 |
| Nearside Rear Stop lamp not working |1.2.1b| | 7 |
| Offside Steering pivot point has excessive play |2.2.B.1g| | 7 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 7 |
| Nearside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 7 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 7 |
| Parking brake lever defective so that it cannot be satisfactorily operated |3.1.3c| | 7 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 7 |
| Nearside Headlamp not working on main beam |1.7.5a| | 7 |
| Offside Headlamp aim beam image kick up to the offside |1.8| | 7 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 7 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 7 |
| Nearside Front position lamp|s| incorrect colour |1.1.A.3e| | 7 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 7 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 7 |
| Direction indicators not working |1.4.A.2c| | 6 |
| Nearside Front Seat belt insecurely fixed to the vehicles structure |5.2.1a| | 6 |
| Direction indicators incorrect colour |1.4.A.2f| | 6 |
| Service brake: efficiency below requirements |3.7.C.1a| | 6 |
| Offside Headlamp not working on main beam |1.7.5a| | 6 |
| Brake pipe excessively corroded | 6 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 6 |
| Offside Rear Wheel nut|s| missing |4.2.A.1e| | 5 |
| Horn control missing |1.6.1| | 5 |
| Offside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 5 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 5 |
| Nearside Front Steering component mounting prescribed area is excessively corroded |2.2.C.1h| | 5 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 5 |
| Nearside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 5 |
| Front position lamp|s| incorrect colour |1.1.A.3e| | 5 |
| Power steering pipe|s| or hose|s| leaking |2.3.3b| | 5 |
| Windscreen washer control missing |8.2.1a| | 5 |
| Driver`s seat cannot be secured in the upright position. |6.2.A.2| | 5 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 5 |
| Nearside Steering component is not secure to the vehicle structure |2.2.B.1a| | 5 |
| Steering wheel retaining device insecure |2.1.6| | 5 |
| Power steering inoperative |2.3.3a| | 5 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 5 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 4 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 4 |
| Offside front brake binding |3.7.B.1| | 4 |
| Hazard warning switch faulty |1.4.B.1d| | 4 |
| Nearside Drag link end ball joint has excessive play |2.2.B.1f| | 4 |
| Offside Steering arm has relative movement at its fixings |2.2.B.1h| | 4 |
| Nearside Front Exhaust has a major leak of exhaust gases |7.1.2| | 4 |
| Nearside Steering pivot point has excessive play |2.2.B.1g| | 4 |
| Offside Front Direction indicators not working |1.4.A.2c| | 4 |
| Offside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 4 |
| Offside Front Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 4 |
| Nearside Front Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 4 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 4 |
| Nearside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 4 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 4 |
| Offside Front Steering component mounting prescribed area is excessively corroded |2.2.C.1h| | 4 |
| Headlamp aim beam image obviously incorrect |1.8.A.1b| | 4 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 4 |
| Rear Direction indicators incorrect colour |1.4.A.2f| | 4 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 4 |
| Nearside Front Parking brake mechanism/associated mounting prescribed area is excessively corroded |3.1.9| | 4 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 4 |
| Nearside Rear Exhaust has a major leak of exhaust gases |7.1.2| | 4 |
| Offside Front Front wheel bearing rough when rotated |2.5.A.2| | 4 |
| Rear Mechanical brake component has restricted free movement | 4 |
| Offside Front position lamp|s| incorrect colour |1.1.A.3e| | 4 |
| Offside Obligatory mirror missing |8.1.1| | 4 |
| Nearside Rear Shock absorber has an excessively worn bush |2.7.4| | 4 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 3 |
| Windscreen washer control is inaccessible to the driver |8.2.1a| | 3 |
| Dipswitch operation does not extinguish all main beam headlamps leaving at least one pair of dipped beam headlamps |1.7.4b| | 3 |
| Nearside Front Drag link end ball joint has excessive play |2.2.B.1f| | 3 |
| Offside Front Exhaust has a major leak of exhaust gases |7.1.2| | 3 |
| Offside Rear Exhaust system not adequately supported |7.1.1| | 3 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 3 |
| Nearside Rear Rear position lamp|s| not working |1.1.A.3b| | 3 |
| Offside Front Steering pivot point has excessive play |2.2.B.1g| | 3 |
| Nearside 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 |
| Steering box insecure |2.2.B.1a| | 3 |
| Horn not loud enough to be heard by another road user |1.6.2b| | 3 |
| rear brakes release unevenly |3.7.B.4| | 3 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 3 |
| Headlamp not working on dipped beam |1.7.5a| | 3 |
| Ball joint has excessive play |2.2.B.1f| | 3 |
| Offside front brake recording little or no effort |3.7.B.5a| | 3 |
| Offside Front Brake pipe inadequately clipped |3.6.B.1| | 3 |
| Steering column movement between the shaft and steering wheel |2.1.2b| | 3 |
| Nearside Rear Suspension spring mounting prescribed area is fractured |2.4.A.3| | 3 |
| Indicator switch faulty |1.4.A.1| | 3 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 3 |
| Front position lamp|s| not working |1.1.A.3b| | 3 |
| Parking brake not fitted on at least two wheels |3.1.1| | 3 |
| Nearside Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 3 |
| Power steering pipe|s| or hose|s| excessively damaged |2.3.2| | 3 |
| Steering component is not secure to the vehicle structure |2.2.B.1a| | 3 |
| Main beam `tell-tale` not working |1.7.4c| | 3 |
| Fuel system component leaking |7.2.3| | 3 |
| Nearside Front Brake hose bulging under pressure |3.6.B.3| | 3 |
| Nearside Front Ball joint has excessive play |2.2.B.1f| | 3 |
| Power steering ram|s| leaking from a failed seal |2.3.3b| | 3 |
| Offside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 3 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 3 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 3 |
| Offside Rear Direction indicator adversely affected by the operation of another lamp |1.4.A.2h| | 3 |
| Nearside Front Brake pipe inadequately clipped |3.6.B.1| | 3 |
| Direction indicators flashing less than 60 times a minute |1.4.A.2g| | 3 |
| Nearside Front Front position lamp|s| incorrect colour |1.1.A.3e| | 3 |
| Offside Front Front position lamp|s| incorrect colour |1.1.A.3e| | 3 |
| Nearside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 3 |
| Offside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 3 |
| Power steering component|s| leaking |2.3.3b| | 3 |
| Nearside Front Wheel nut|s| missing |4.2.A.1e| | 2 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 2 |
| Offside Front Suspension arm attachment bracket/mounting insecure |2.4.G.1| | 2 |
| Horn control insecure |1.6.1| | 2 |
| Front Steering system excessively tight |2.2.D.1| | 2 |
| Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 2 |
| Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 2 |
| Offside Steering rack gaiter insecure |2.2.D.2d| | 2 |
| Nearside Front Upper Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 2 |
| Stop lamp(s) all not working (4.3.1 (a) (iii)) | 2 |
| Mechanical brake component has restricted free movement | 2 |
| Offside Steering locking device missing |2.2.C.1g| | 2 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 2 |
| Front Horn not working |1.6.2a| | 2 |
| Offside Front Seat belt insecurely fixed to the vehicles structure |5.2.1a| | 2 |
| Rear Stop lamp not working |1.2.1b| | 2 |
| Nearside Front Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 2 |
| Direction indicator incorrect colour |1.4.A.2f| | 2 |
| Steering box has relative movement between sector shaft and the drop arm |2.2.B.1b| | 2 |
| Headlamp not working on main beam |1.7.5a| | 2 |
| Offside Rear Shock absorber has an excessively worn bush |2.7.4| | 2 |
| Steering component damaged and unserviceable |2.2.C.1d| | 2 |
| Braking system leaking |3.6.A.1| | 2 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 2 |
| Headlamp aim so that beam "kick up" is not visible on the screen both (4.1.2 (a)) | 2 |
| Brake has no servo assistance |3.3.B.2| | 2 |
| Offside Front Upper Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 2 |
| Nearside front brake recording little or no effort |3.7.B.5a| | 2 |
| Front Headlamp aim projected beam image is obviously incorrect both (4.1.2 (c)) | 2 |
| Offside Front Tie bar/rod rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 2 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 2 |
| Nearside Front Brake hose twisted |found during steering lock to lock check| |2.2.D.2b| | 2 |
| Nearside Front Braking system leaking |3.6.A.1| | 2 |
| Drag link end loose |2.2.B.1d| | 2 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 2 |
| Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Track rod end loose |2.2.B.1d| | 2 |
| Offside Front Braking system leaking |3.6.A.1| | 2 |
| Parking brake lever is impeded in its travel |3.1.6c| | 2 |
| Offside Rear Direction indicators not working |1.4.A.2c| | 2 |
| Power steering ram|s| anchorage insecure |2.3.4a| | 2 |
| Electrical wiring inadequately supported |1.9.2a| | 2 |
| Offside Rear Wheel stud hole elongated |4.2.A.1d| | 2 |
| Offside Front Brake hose excessively damaged |3.6.B.4d| | 2 |
| Nearside Front Lower Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 2 |
| Nearside Headlamp aim does not move downwards when dipped |British American headlamp| |1.8.C.4| | 2 |
| Offside Headlamp aim does not move downwards when dipped |British American headlamp| |1.8.C.4| | 2 |
| Parking brake lever missing |3.1.3a| | 2 |
| Offside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Offside Body or chassis has an inadequate repair, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Nearside Front suspension locking device missing |2.5.A.4| | 2 |
| Offside Front suspension locking device missing |2.5.A.4| | 2 |
| Offside Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 2 |
| Power steering malfunctioning |2.3.3a| | 2 |
| Headlamp aim beam image obviously incorrect both |1.8.A.1b| | 2 |
| Front Direction indicators missing both |1.4.A.2b| | 2 |
| Nearside Rear Wheel nut|s| missing |4.2.A.1e| | 2 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 2 |
| Offside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 2 |
| Steering locking device missing |2.2.C.1g| | 2 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 2 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 2 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 2 |
| Nearside Rear Exhaust system not adequately supported |7.1.1| | 2 |
| Nearside Front Tie bar/rod which is adjustable, locking device missing |2.4.G.1| | 2 |
| Steering wheel locking device insecure |2.1.6| | 2 |
| Steering damper damaged and unserviceable |2.2.C.1d| | 2 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 2 |
| Rear Brake hose excessively damaged |3.6.B.4d| | 2 |
| Fuel hose leaking |7.2.3| | 2 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 2 |
| 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| | 2 |
| Nearside Steering locking device missing |2.2.C.1g| | 2 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 2 |
| Power steering ram|s| has excessive free play at anchorage |2.3.4c| | 2 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Nearside Rear wheel cylinder leaking |3.6.A.1| | 2 |
| Power steering ram|s| leaking from a failed component |2.3.3b| | 2 |
| Nearside Front Wheel nut|s| loose |4.2.A.1e| | 2 |
| Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 2 |
| Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 2 |
| Offside Front Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 2 |
| Brake pedal creeps down when held under pressure |3.3.B.1a| | 2 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Offside Front Direction indicator adversely affected by the operation of another lamp |1.4.A.2h| | 2 |
| Driver`s door does not latch securely closed |6.2.B.1a| | 2 |
| Offside Front Drag link end ball joint has excessive play |2.2.B.1f| | 2 |
| Offside Rear Brake cable has restricted free movement |3.5.1k| | 2 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 2 |
| Rear Direction indicator incorrect colour |1.4.A.2f| | 2 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 2 |
| Fuel pipe insecure |7.2.1| | 2 |
| Front Windscreen wiper not operating automatically when switched on |8.2.1b| | 2 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Nearside Front Front suspension retaining device missing |2.5.A.4| | 2 |
| Offside Front Front suspension retaining device missing |2.5.A.4| | 2 |
| Offside Front Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 2 |
| Offside Passenger`s seat cannot be secured in the upright position. |6.2.A.2| | 2 |
| Parking brake lever ratchet mechanism is broken |3.1.5| | 2 |
| Nearside Front Statutory seat belt of the wrong type. |5.1.1| | 2 |
| Offside Front Statutory seat belt of the wrong type. |5.1.1| | 2 |
| Nearside Front Driver`s seat cannot be secured in the upright position. |6.2.A.2| | 2 |
| Nearside Front Lower Shock absorber has an excessively worn bush |2.7.4| | 2 |
| Nearside Front Front suspension locking device missing |2.5.A.4| | 2 |
| Brake performance not tested |3.7.A.1| | 2 |
| Nearside Rear Direction indicators adversely affected by the operation of another lamp |1.4.A.2h| | 2 |
| Offside Rear Direction indicators adversely affected by the operation of another lamp |1.4.A.2h| | 2 |
| Nearside Front Steering component is not secure to the vehicle structure |2.2.B.1a| | 2 |
| Nearside Exhaust system not adequately supported |7.1.1| | 2 |
| Offside Rear Braking system leaking |3.6.A.1| | 2 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 2 |
| Nearside Rear Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 2 |
| Offside Rear Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 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 Direction indicator adversely affected by the operation of another lamp |1.4.A.2h| | 2 |
| Brake cable has restricted free movement |3.5.1k| | 2 |
| Nearside Front Front position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 2 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 2 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 2 |
| All position lamps not working |1.1.A.3b| | 2 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 2 |
| Offside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 2 |
| Brake hose damaged | 2 |
| Brake pedal has no servo assistance |3.3.B.2| | 2 |
| Steering arm has relative movement at its fixings |2.2.B.1h| | 2 |
| Nearside Front Direction indicators not working |1.4.A.2c| | 2 |
| Brake servo leaking |3.6.C.1c| | 2 |
| Nearside Obligatory mirror insecure |8.1.1| | 2 |
| Offside Front Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 2 |
| Power steering pipe|s| or hose|s| leaking from a joint |2.3.3b| | 2 |
| Nearside Rear Direction indicators not working |1.4.A.2c| | 2 |
| Nearside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 2 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |