| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 138 |
| Parking brake: efficiency below requirements |3.7.B.7| | 111 |
| Registration plate lamp issues | 88 |
| Horn not working |1.6.2a| | 76 |
| Brakes imbalanced across an axle | 76 |
| Windscreen wiper does not clear the windscreen effectively | 71 |
| Rear parking brake recording little or no effort | 51 |
| Offside Stop lamp not working |1.2.1b| | 35 |
| Rear brake binding | 33 |
| Nearside Stop lamp not working |1.2.1b| | 32 |
| Parking brake lever has no reserve travel |3.1.6b| | 30 |
| Nearside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 29 |
| Offside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 29 |
| Service brake: efficiency below requirements |3.7.B.7| | 28 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 26 |
| Registration plate issues | 24 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 23 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 20 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 20 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 19 |
| Direction indicators not working |1.4.A.2c| | 18 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 16 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 15 |
| Rear Exhaust system not adequately supported |7.1.1| | 15 |
| Battery insecure |1.9.1| | 15 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 14 |
| Rear brake application uneven | 13 |
| Offside Headlamp not working on main beam |1.7.5a| | 12 |
| Brake hose excessively deteriorated | 12 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 11 |
| Stop lamp not working |1.2.1b| | 11 |
| Windscreen washer not working | 11 |
| Brake pipe excessively corroded | 11 |
| Hazard warning switch faulty |1.4.B.1d| | 11 |
| Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 11 |
| Fuel system component leaking |7.2.3| | 10 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 10 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 10 |
| Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 10 |
| Horn not working (7.7 (a)) | 10 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 10 |
| Nearside Rear Leaf spring has a deteriorated shackle pin rubber bush resulting in excessive movement |2.4.B.2| | 10 |
| Nearside Front Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a| | 10 |
| All position lamps not working |1.1.A.3b| | 9 |
| Offside Front Shock absorber has negligible damping effect |2.7.5| | 9 |
| Nearside front brake binding |3.7.B.1| | 9 |
| Direction indicators flashing less than 60 times a minute |1.4.A.2g| | 9 |
| Offside Front Direction indicator not working |1.4.A.2c| | 9 |
| Nearside Headlamp not working on main beam |1.7.5a| | 9 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 9 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 9 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 8 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 8 |
| Offside Steering rack gaiter split |2.2.D.2d| | 8 |
| Offside Rear Leaf spring has a deteriorated shackle pin rubber bush resulting in excessive movement |2.4.B.2| | 8 |
| Nearside Rear Braking system leaking |3.6.A.1| | 7 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 7 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 7 |
| Rear Stop lamp not working |1.2.1b| | 7 |
| Position lamp switch faulty |1.1.A.1| | 7 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 7 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 7 |
| Centre Exhaust system not adequately supported |7.1.1| | 7 |
| Offside Front Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a| | 7 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 7 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 6 |
| Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b| | 6 |
| Indicator switch faulty |1.4.A.1| | 6 |
| Nearside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 6 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 6 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 6 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 6 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 6 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 6 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 6 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 6 |
| Stop lamp(s) all not working (4.3.1 (a) (iii)) | 6 |
| Brake hose has insufficient room to move | 5 |
| Steering wheel retaining device insecure |2.1.6| | 5 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 5 |
| Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 5 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 5 |
| Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 5 |
| Fuel tank leaking |7.2.3| | 5 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 5 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 5 |
| Parking brake lever, pawl mechanism pivots or their associated mountings are insecure |3.1.4b| | 5 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 5 |
| Offside Front Steering rack gaiter split |2.2.D.2d| | 5 |
| Offside Front brake disc excessively pitted |3.5.1h| | 5 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 5 |
| Horn not working |7.7 |a| |ii|| | 5 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 5 |
| Offside Rear Stop lamp not working |1.2.1b| | 5 |
| Nearside Front Shock absorber has an excessively worn shock absorber pivot |2.7.4| | 5 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 5 |
| Horn not working (7.7 (a) (ii)) | 5 |
| Nearside Front Shock absorber has negligible damping effect |2.7.5| | 4 |
| Nearside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 4 |
| Offside Front Suspension component mounting prescribed area is inadequately repaired |2.4.A.3| | 4 |
| Steering wheel locking device insecure |2.1.6| | 4 |
| Fuel system component insecure |7.2.1| | 4 |
| Offside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 4 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 4 |
| Offside Front Seat belt retracting mechanism defective |5.2.5b| | 4 |
| Hazard warning lamps inoperative |1.4.B.1b| | 4 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 4 |
| Nearside Front Lower Suspension arm has excessive play in a pin/bush |2.4.G.2| | 4 |
| Nearside Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 4 |
| Rear Brake hose bulging under pressure |3.6.B.3| | 4 |
| Horn not loud enough to be heard by another road user |1.6.2b| | 4 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 4 |
| Nearside Front Wheel insecure |4.2.A.1c| | 4 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 4 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 4 |
| Headlamp switch faulty |1.7.1| | 4 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 4 |
| Offside Front front brake binding |3.7.B.1| | 4 |
| Main beam `tell-tale` not working |1.7.4c| | 4 |
| Nearside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 4 |
| Offside Headlamp insecure |1.7.3| | 4 |
| Steering column movement between the shaft and steering wheel |2.1.2b| | 4 |
| Offside Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 4 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 4 |
| Speedometer cannot be illuminated. |6.7.3| | 4 |
| Exhaust system not adequately supported |7.1.1| | 3 |
| Nearside Front Suspension component mounting prescribed area is inadequately repaired |2.4.A.3| | 3 |
| Nearside Steering arm has relative movement at its fixings |2.2.B.1h| | 3 |
| Offside Front Steering rack gaiter missing or no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 3 |
| Parking (secondary brake) on a single line braking system imbalanced across an axle Axle 1 (1.3.1 (b) (i)) | 3 |
| Nearside Front Steering rack gaiter insecure |2.2.D.2d| | 3 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 3 |
| Nearside Front Seat belt insecurely fixed to the vehicles structure |5.2.1a| | 3 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 3 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 3 |
| All direction indicators not working (4.4.1 (a) (ii)) | 3 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 3 |
| Headlamp not working on dipped beam |1.7.5a| | 3 |
| Nearside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 3 |
| Nearside Front Direction indicators not working |1.4.A.2c| | 3 |
| Nearside Rear Stop lamp not working |1.2.1b| | 3 |
| Nearside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 3 |
| Offside front brake binding |3.7.B.1| | 3 |
| Nearside Front Lower Steering pivot point has excessive play |2.2.B.1g| | 3 |
| Offside Rear Leaf spring has excessive wear in a shackle pin and/or bush |2.4.B.2| | 3 |
| Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 3 |
| Nearside Rear Direction indicators not working |1.4.A.2c| | 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 |
| Rear Mechanical brake component has restricted free movement | 3 |
| Centre Exhaust mounting missing |7.1.1b| | 3 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 3 |
| front brake binding |3.7.B.1| | 3 |
| Nearside Rear Service brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 3 |
| Nearside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 3 |
| Offside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Offside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 3 |
| Nearside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Offside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Nearside Front Front wheel bearing rough when rotated |2.5.A.2| | 3 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 3 |
| Offside Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 3 |
| Offside Front position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 3 |
| All direction indicators not working |4.4.1 |a| |ii|| | 3 |
| Offside Front Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| 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| | 3 |
| 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| | 3 |
| Offside Indicator tell tale inoperative |1.4.A.2a| | 3 |
| Front brake application uneven | 3 |
| Nearside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 3 |
| Offside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 3 |
| Brake pedal anti-slip provision missing (1.1.2 (c)) | 3 |
| Offside Rear Leaf spring cracked |2.4.B.1a| | 3 |