| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 132 |
| Parking brake: efficiency below requirements |3.7.B.7| | 114 |
| Horn not working |1.6.2a| | 65 |
| Rear parking brake recording little or no effort | 64 |
| Windscreen wiper does not clear the windscreen effectively | 60 |
| Registration plate lamp issues | 52 |
| Rear brake binding | 47 |
| Parking brake lever has no reserve travel |3.1.6b| | 46 |
| Nearside Stop lamp not working |1.2.1b| | 34 |
| Offside Stop lamp not working |1.2.1b| | 34 |
| Brakes imbalanced across an axle | 33 |
| Nearside Headlamp not working on main beam |1.7.5a| | 29 |
| Service brake: efficiency below requirements |3.7.B.7| | 28 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 27 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 27 |
| Offside Headlamp not working on main beam |1.7.5a| | 25 |
| Nearside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 21 |
| Battery insecure |1.9.1| | 19 |
| Steering column top bearing excessively worn |2.1.2c| | 18 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 18 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 17 |
| Offside Rear Stop lamp not working |1.2.1b| | 17 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 17 |
| Registration plate issues | 15 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 15 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 14 |
| Nearside Rear Stop lamp not working |1.2.1b| | 14 |
| Stop lamp not working |1.2.1b| | 14 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 13 |
| Direction indicators not working |1.4.A.2c| | 13 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 13 |
| Offside Front Direction indicator not working |1.4.A.2c| | 12 |
| Windscreen washer not working | 12 |
| Nearside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 12 |
| Fuel system component leaking |7.2.3| | 12 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 12 |
| Brake hose has insufficient room to move | 11 |
| Service brake: efficiency below requirements |3.7.C.1a| | 11 |
| Rear brake application uneven | 10 |
| Offside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 10 |
| Steering rack insecure |2.2.B.1a| | 10 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 10 |
| Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b| | 10 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 9 |
| Offside Steering rack gaiter split |2.2.D.2d| | 9 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 9 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 9 |
| Offside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 9 |
| Offside Rear wheel bearing has excessive play |2.6.2| | 9 |
| All position lamps not working |1.1.A.3b| | 9 |
| Front brake application uneven | 8 |
| Offside front brake binding |3.7.B.1| | 8 |
| 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| | 8 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 8 |
| 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| | 8 |
| Indicator tell tale inoperative |1.4.A.2a| | 8 |
| Brake performance not tested |3.7.A.1| | 8 |
| Nearside Front Upper Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 7 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 7 |
| Nearside Headlamp aim beam image kick up to the offside |1.8| | 7 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 7 |
| Driver`s seat insecure |6.2.A.1| | 7 |
| 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| | 7 |
| 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| | 7 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 7 |
| Offside Front Lower Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 6 |
| Offside Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 6 |
| Headlamp not working on dipped beam |1.7.5a| | 6 |
| Front Windscreen wiper not operating automatically when switched on |8.2.1b| | 6 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 6 |
| Brake fluid warning lamp illuminated |3.6.G.2| | 6 |
| Nearside Front Lower Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 6 |
| Rear Stop lamp not working |1.2.1b| | 6 |
| Brake hydraulic reservoir fluid level below minimum level |3.6.G.1b| | 6 |
| 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| | 5 |
| Steering column shaft has excessive end float |2.1.3| | 5 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 5 |
| Offside Front Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 5 |
| Headlamp not working on main beam |1.7.5a| | 5 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 5 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 5 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 5 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 5 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 5 |
| Steering column universal joint insecure |2.1.5| | 5 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 5 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 5 |
| Offside Front Steering rack gaiter split |2.2.D.2d| | 5 |
| Nearside front brake binding |3.7.B.1| | 4 |
| Offside Rear Braking system leaking |3.6.A.1| | 4 |
| Nearside Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 4 |
| Nearside Indicator tell tale inoperative |1.4.A.2a| | 4 |
| Nearside Front Steering rack gaiter split |2.2.D.2d| | 4 |
| 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| | 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 |
| Windscreen wiper blade insecure | 4 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 4 |
| Offside Headlamp aim beam image kick up to the offside |1.8| | 4 |
| Nearside Rear Braking system leaking |3.6.A.1| | 4 |
| Nearside Front Braking system leaking |3.6.A.1| | 4 |
| Fuel tank leaking |7.2.3| | 4 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 4 |
| Centre 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 |
| Rear Mechanical brake component has restricted free movement | 4 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 4 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 4 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 4 |
| Offside Rear brake caliper leaking |3.6.A.1| | 4 |
| Offside Direction indicators not working |1.4.A.2c| | 4 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 4 |
| Nearside Rear brake disc contaminated by oil |3.5.1h| | 4 |
| Steering column movement between the shaft and steering wheel |2.1.2b| | 4 |
| Nearside Steering rack gaiter insecure |2.2.D.2d| | 4 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 4 |
| Nearside Rear Wheel insecure |4.2.A.1c| | 3 |
| Offside Front Wheel insecure |4.2.A.1c| | 3 |
| Nearside Front Brake master cylinder/servo mounting prescribed area is excessively corroded |3.6.C.3| | 3 |
| Lower Steering column universal joint insecure |2.1.5| | 3 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 3 |
| Offside Steering rack insecure |2.2.B.1a| | 3 |
| Indicator switch faulty |1.4.A.1| | 3 |
| Main beam `tell-tale` not working |1.7.4c| | 3 |
| Brake pedal creeps down when held under pressure |3.3.B.1a| | 3 |
| Nearside Front Lower Front suspension ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 3 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 3 |
| Front Steering rack insecure |2.2.B.1a| | 3 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 3 |
| Nearside Rear Suspension component mounting prescribed area is inadequately repaired |2.4.A.3| | 3 |
| Hazard warning tell tale not working correctly |1.4.B.1e| | 3 |
| Driver`s seat fore and aft adjustment mechanism not functioning as intended. |6.2.A.3| | 3 |
| Offside Front Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 3 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 3 |
| Nearside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 3 |
| Stop lamp remains on when the brakes are released | 3 |
| Front position lamp|s| not working |1.1.A.3b| | 3 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 3 |
| Nearside Front Seat belt damaged sufficient to obstruct correct operation of the belt |5.2.2a| | 3 |
| Nearside Front Direction indicators not working |1.4.A.2c| | 3 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 3 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 3 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 3 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 3 |
| Hazard warning switch faulty |1.4.B.1d| | 3 |
| Service brake is causing the vehicle to swerve to the nearside |3.7.C.2| | 3 |
| Braking system leaking |3.6.A.1| | 3 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 3 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Nearside Rear brake caliper leaking |3.6.A.1| | 3 |
| Nearside Front Wheel insecure |4.2.A.1c| | 3 |
| Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 3 |
| Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 3 |
| Exhaust system not adequately supported |7.1.1| | 3 |
| Offside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 3 |
| Brake hose excessively deteriorated | 3 |
| Horn not working |7.7 |a| |ii|| | 3 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 3 |
| Steering wheel weakened by cracks |2.1.1| | 3 |
| Steering system excessively tight |2.2.D.1| | 3 |
| Nearside Upper Front suspension ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 3 |
| Offside Obligatory mirror missing |8.1.1| | 3 |
| Headlamp switch faulty |1.7.1| | 3 |
| Front passenger door cannot be opened from inside the vehicle |6.2.B.1b| | 3 |
| Offside Front Steering rack insecure |2.2.B.1a| | 3 |
| Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 3 |
| Nearside Front Upper Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 3 |
| Nearside Direction indicators not working |1.4.A.2c| | 3 |
| Stop lamp(s) all not working (4.3.1 (a) (iii)) | 3 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 3 |
| Horn not working (7.7 (a) (ii)) | 3 |
| Parking (secondary brake) on a single line braking system imbalanced across an axle Axle 1 (1.3.1 (b) (i)) | 3 |