| Most common failures | No# failures |
|---|
| Exhaust emissions carbon monoxide content excessive |7.3.B.1a| | 567 |
| Headlamp aim out of alignment | 441 |
| Parking brake: efficiency below requirements |3.7.B.7| | 364 |
| Windscreen wiper does not clear the windscreen effectively | 281 |
| Rear brake binding | 189 |
| Registration plate lamp issues | 186 |
| Rear parking brake recording little or no effort | 184 |
| Brakes imbalanced across an axle | 176 |
| Horn not working |1.6.2a| | 120 |
| Registration plate issues | 102 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 98 |
| Nearside Stop lamp not working |1.2.1b| | 96 |
| Exhaust emissions hydrocarbon content excessive |7.3.B.1b| | 96 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 91 |
| Offside Stop lamp not working |1.2.1b| | 89 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 88 |
| Rear brake application uneven | 77 |
| Offside Steering rack gaiter split |2.2.D.2d| | 72 |
| Exhaust emissions carbon monoxide content excessive (8.2.1.2 (b)) | 70 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 67 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 66 |
| Nearside Headlamp not working on main beam |1.7.5a| | 64 |
| Service brake: efficiency below requirements |3.7.B.7| | 63 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 59 |
| Brake pipe excessively corroded | 59 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 59 |
| Offside Headlamp not working on main beam |1.7.5a| | 56 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 55 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 48 |
| Brake hose excessively deteriorated | 46 |
| Battery insecure |1.9.1| | 45 |
| Windscreen washer not working | 41 |
| Offside Rear Stop lamp not working |1.2.1b| | 41 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 40 |
| Nearside Rear Stop lamp not working |1.2.1b| | 39 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 38 |
| Steering column top bearing excessively worn |2.1.2c| | 37 |
| Rear Exhaust system not adequately supported |7.1.1| | 37 |
| Offside Rear wheel bearing has excessive play |2.6.2| | 36 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 36 |
| Power steering component|s| leaking |2.3.3b| | 35 |
| Offside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 35 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 34 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 32 |
| Nearside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 32 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 32 |
| Direction indicators flashing less than 60 times a minute |1.4.A.2g| | 32 |
| Parking brake lever has no reserve travel |3.1.6b| | 29 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 29 |
| Nearside Front Steering rack gaiter split |2.2.D.2d| | 29 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 28 |
| Rear Mechanical brake component has restricted free movement | 28 |
| Offside Front Steering rack gaiter split |2.2.D.2d| | 28 |
| Offside Side repeater not working |1.4.A.2c| | 28 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 28 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 27 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 27 |
| Direction indicators not working |1.4.A.2c| | 27 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 26 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 26 |
| Stop lamp not working |1.2.1b| | 25 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 25 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 25 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 25 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 25 |
| Nearside Side repeater not working |1.4.A.2c| | 24 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 24 |
| Fuel cap/sealing device sealing washer torn |7.2.4c| | 24 |
| Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 24 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 24 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 23 |
| Hazard warning switch faulty |1.4.B.1d| | 23 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 23 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 22 |
| Nearside Rear Rear wheel bearing has excessive play |2.6.2| | 22 |
| Offside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 22 |
| Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 22 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 22 |
| Hazard warning lamps inoperative |1.4.B.1b| | 22 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 21 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 21 |
| Front Windscreen wiper not operating automatically when switched on |8.2.1b| | 21 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 21 |
| Offside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 21 |
| Nearside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 21 |
| Offside front brake binding |3.7.B.1| | 21 |
| Nearside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 20 |
| Hazard warning tell tale not working correctly |1.4.B.1e| | 20 |
| Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b| | 20 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 20 |
| Brake hydraulic reservoir fluid level below minimum level |3.6.G.1b| | 20 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 19 |
| Nearside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 19 |
| 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| | 19 |
| All position lamps not working |1.1.A.3b| | 18 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 18 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 18 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 18 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 18 |
| Offside Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 18 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 17 |
| Offside Front Direction indicator not working |1.4.A.2c| | 17 |
| Nearside front brake binding |3.7.B.1| | 17 |
| Nearside Indicator tell tale inoperative |1.4.A.2a| | 17 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 17 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 17 |
| Fuel system component leaking |7.2.3| | 17 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 16 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 16 |
| Headlamp switch faulty |1.7.1| | 15 |
| Front brake application uneven | 15 |
| Offside Rear Direction indicators not working |1.4.A.2c| | 15 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 15 |
| Exhaust emissions carbon monoxide content excessive |8.2.1.2 |b|| | 14 |
| Nearside Rear Direction indicators not working |1.4.A.2c| | 14 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 14 |
| Nearside Front Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 14 |
| Nearside Windscreen wiper not operating automatically when switched on |8.2.1b| | 13 |
| Offside Windscreen wiper not operating automatically when switched on |8.2.1b| | 13 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 13 |
| Rear Stop lamp not working |1.2.1b| | 13 |
| Offside Rear Sub-frame rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 13 |
| Offside Front Side repeater not working |1.4.A.2c| | 13 |
| Brake pedal creeps down when held under pressure |3.3.B.1a| | 13 |
| Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 13 |
| Nearside Front Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 13 |
| Nearside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 13 |
| Offside Front Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 13 |
| Offside Rear Rear wheel bearing has excessive play |2.6.2| | 13 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 12 |
| Exhaust system not adequately supported |7.1.1| | 12 |
| Offside Front Seat belt retracting mechanism defective |5.2.5b| | 12 |
| Brake pedal spongy |3.3.B.1b| | 12 |
| Offside Front front brake binding |3.7.B.1| | 12 |
| Nearside Rear Sub-frame rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 12 |
| Brake performance not tested |3.7.A.1| | 12 |
| Nearside Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 12 |
| Windscreen wiper not operating automatically when switched on |8.2.1b| | 12 |
| Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 12 |
| Nearside Front Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 11 |
| Stop lamp remains on when the brakes are released | 11 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 11 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 11 |
| Nearside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 11 |
| 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| | 11 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 11 |
| Nearside Headlamp insecure |1.7.3| | 11 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 11 |
| Offside Front Ball joint has excessive play |2.2.B.1f| | 11 |
| Offside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 11 |
| Offside Front Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 11 |
| Horn not loud enough to be heard by another road user |1.6.2b| | 11 |
| Nearside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 11 |
| Fuel cap/sealing device sealing washer missing |7.2.4c| | 11 |
| Offside Front Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 11 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 11 |
| Offside Front Seat belt locking mechanism does not secure or release |5.2.5a| | 11 |
| Windscreen wiper blade insecure | 11 |
| Nearside Rear Seat belt retracting mechanism defective |5.2.5b| | 11 |
| Steering rack insecure |2.2.B.1a| | 11 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 10 |
| Nearside Direction indicators flashing less than 60 times a minute |1.4.A.2g| | 10 |
| Offside Front Steering arm has relative movement at its fixings |2.2.B.1h| | 10 |
| Emissions not tested |7.0| | 10 |
| Offside Front Seat belt damaged sufficient to obstruct correct operation of the belt |5.2.2a| | 10 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 10 |
| Nearside Front Side repeater not working |1.4.A.2c| | 10 |
| Stop lamp(s) all not working (4.3.1 (a) (iii)) | 10 |
| Centre Exhaust system not adequately supported |7.1.1| | 10 |
| Offside Steering rack gaiter insecure |2.2.D.2d| | 10 |
| Nearside Steering rack gaiter insecure |2.2.D.2d| | 10 |
| Nearside Front Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 10 |