| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 368 |
| Brakes imbalanced across an axle | 277 |
| Exhaust emissions carbon monoxide content excessive |7.3.B.1a| | 217 |
| Windscreen wiper does not clear the windscreen effectively | 216 |
| Offside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 171 |
| Registration plate lamp issues | 157 |
| Brake pipe excessively corroded | 153 |
| Nearside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 152 |
| Offside Front Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 144 |
| Nearside Front Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 111 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 109 |
| Nearside Stop lamp not working |1.2.1b| | 105 |
| Rear brake binding | 100 |
| Brake hose excessively deteriorated | 100 |
| Offside Stop lamp not working |1.2.1b| | 98 |
| Offside Rear fog lamp not working |1.3.2b| | 94 |
| Horn not working |1.6.2a| | 94 |
| Registration plate issues | 93 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 93 |
| Rear fog lamp not working |1.3.2b| | 83 |
| Parking brake: efficiency below requirements |3.7.B.7| | 75 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 73 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 73 |
| Rear fog lamp tell tale not working |1.3.1b| | 71 |
| Offside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 67 |
| Front brake application uneven | 66 |
| Service brake: efficiency below requirements |3.7.C.1a| | 64 |
| Offside Front Direction indicator not working |1.4.A.2c| | 62 |
| Exhaust emissions hydrocarbon content excessive |7.3.B.1b| | 59 |
| Nearside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 58 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 56 |
| Windscreen washer not working | 52 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 48 |
| Battery insecure |1.9.1| | 45 |
| Parking brake lever has no reserve travel |3.1.6b| | 44 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 42 |
| Rear brake application uneven | 40 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 40 |
| Nearside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 40 |
| Stop lamp not working |1.2.1b| | 40 |
| Nearside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 40 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 39 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 36 |
| Service brake: efficiency below requirements |3.7.B.7| | 34 |
| Stop lamp remains on when the brakes are released | 34 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 33 |
| Nearside Rear Stop lamp not working |1.2.1b| | 33 |
| Rear Exhaust system not adequately supported |7.1.1| | 32 |
| Offside Rear Stop lamp not working |1.2.1b| | 32 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 32 |
| Offside Headlamp not working on main beam |1.7.5a| | 31 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 31 |
| Steering system has excessive free play detected at the steering wheel |steering box fitted| |2.2.A.1a| | 31 |
| Nearside Headlamp not working on main beam |1.7.5a| | 30 |
| Direction indicators not working |1.4.A.2c| | 30 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 30 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 30 |
| Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 30 |
| Service brake is causing the vehicle to swerve to the nearside |3.7.C.2| | 28 |
| Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 28 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 27 |
| Exhaust emissions carbon monoxide content excessive (8.2.1.2 (b)) | 26 |
| Stop lamp(s) all not working (4.3.1 (a) (iii)) | 26 |
| Rear Stop lamp not working |1.2.1b| | 26 |
| Offside Front Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 26 |
| Exhaust system not adequately supported |7.1.1| | 25 |
| Offside Rear Lower Shock absorber has an excessively worn bush |2.7.4| | 25 |
| Brake hydraulic reservoir fluid level below minimum level |3.6.G.1b| | 25 |
| Offside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 25 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 25 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 23 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 23 |
| Nearside Rear Shock absorber has an excessively worn bush |2.7.4| | 22 |
| Centre Exhaust system not adequately supported |7.1.1| | 22 |
| Service brake is causing the vehicle to swerve to the offside |3.7.C.2| | 22 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 22 |
| Rear Rear fog lamp not working |1.3.2b| | 22 |
| Offside Front Shock absorber has an excessively worn bush |2.7.4| | 21 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 21 |
| Nearside Front Lower Shock absorber has an excessively worn bush |2.7.4| | 21 |
| Offside Front Lower Shock absorber has an excessively worn bush |2.7.4| | 21 |
| Nearside front brake binding |3.7.B.1| | 21 |
| Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 21 |
| Brake performance not tested |3.7.A.1| | 21 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 21 |
| Offside Front Steering component mounting prescribed area is excessively corroded |2.2.C.1h| | 20 |
| Hazard warning switch faulty |1.4.B.1d| | 20 |
| Fuel tank leaking |7.2.3| | 20 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 19 |
| Nearside Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 19 |
| Nearside Front Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 18 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 18 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 18 |
| Nearside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 18 |
| Nearside Rear reflector missing |1.5.1a| | 18 |
| Nearside Front Leaf spring has excessive wear in a shackle pin and/or bush |2.4.B.2| | 17 |
| Nearside Front Axle swivel joint has excessive play |2.5.A.3b| | 17 |
| Nearside Front Shock absorber has an excessively worn bush |2.7.4| | 17 |
| Nearside Rear Lower Shock absorber has an excessively worn bush |2.7.4| | 17 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 17 |
| Hazard warning lamps inoperative |1.4.B.1b| | 17 |
| Service brake is causing the steering wheel to severely pull one way |3.7.C.2| | 17 |
| Rear Mechanical brake component has restricted free movement | 16 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 16 |
| Offside Front Direction indicators not working |1.4.A.2c| | 16 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 16 |
| Offside Rear reflector missing |1.5.1a| | 16 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 16 |
| Offside front brake binding |3.7.B.1| | 16 |
| Exhaust emissions carbon monoxide content excessive |8.2.1.2 |b|| | 15 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 15 |
| Mechanical brake component has restricted free movement | 15 |
| Offside Front Axle swivel joint has excessive play |2.5.A.3b| | 15 |
| Offside Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 15 |
| Nearside Front Direction indicators not working |1.4.A.2c| | 15 |
| Steering system excessively tight |2.2.D.1| | 15 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 15 |
| Vehicle structure excessively corroded within 30cm of towbar mounting |6.6.6| | 15 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 14 |
| Offside Rear Shock absorber has an excessively worn bush |2.7.4| | 14 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 14 |
| All direction indicators not working (4.4.1 (a) (ii)) | 14 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 14 |
| Rear parking brake recording little or no effort | 13 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 13 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 13 |
| Offside Front Brake master cylinder/servo mounting prescribed area is excessively corroded |3.6.C.3| | 13 |
| Driver`s seat cannot be secured in the upright position. |6.2.A.2| | 13 |
| Brake master cylinder/servo mounting prescribed area is excessively corroded |3.6.C.3| | 13 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 13 |
| Steering box has relative movement between sector shaft and the drop arm |2.2.B.1b| | 13 |
| Nearside Rear Leaf spring has excessive wear in a shackle pin and/or bush |2.4.B.2| | 12 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 12 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 12 |
| Horn not loud enough to be heard by another road user |1.6.2b| | 12 |
| Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 12 |
| Windscreen wiper not operating automatically when switched on |8.2.1b| | 12 |
| Nearside Rear Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 12 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 12 |
| Offside Rear Leaf spring splayed and action impaired |2.4.B.1c| | 12 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 12 |
| Nearside Drag link end ball joint has excessive play |2.2.B.1f| | 11 |
| Emissions not tested |7.0| | 11 |
| Rear fog lamp switch missing |1.3.1a| | 11 |
| Intermediate drop arm insecure |2.2.B.1a| | 11 |
| Offside Front Drag link end ball joint has excessive play |2.2.B.1f| | 11 |
| Nearside Rear Leaf spring splayed and action impaired |2.4.B.1c| | 11 |
| Offside Rear Leaf spring has excessive wear in a shackle pin and/or bush |2.4.B.2| | 10 |
| Stop lamp|s| all not working |4.3.1 |a| |iii|| | 10 |
| Rear fog lamp not working |4.5.1 |a| |ii|| | 10 |
| Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 10 |
| Offside Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 10 |
| Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 10 |
| Offside Headlamp insecure |1.7.3| | 10 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 10 |
| Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 10 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 10 |
| Brake pedal has insufficient reserve movement |3.3.A.5| | 10 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 10 |
| Nearside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 10 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 10 |
| Offside Rear Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 10 |
| Offside Front front brake binding |3.7.B.1| | 9 |
| Offside Front Leaf spring has excessive wear in a shackle pin and/or bush |2.4.B.2| | 9 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 9 |
| Nearside Rear brake drum contaminated by oil |3.5.1h| | 9 |
| Offside Front Axle swivel joint has excessive play in a swivel pin |2.5.A.3b| | 9 |
| Headlamp not working on main beam |1.7.5a| | 9 |
| Front position lamp|s| not working |1.1.A.3b| | 9 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 9 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 9 |
| Windscreen wiper blade insecure | 9 |
| Rear fog lamp switch faulty |1.3.1a| | 9 |
| Nearside Front Brake pipe inadequately clipped |3.6.B.1| | 9 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 9 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 9 |
| Offside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 9 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 9 |
| Steering column top bearing excessively worn |2.1.2c| | 8 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 8 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 8 |
| Offside Drag link end ball joint has excessive play |2.2.B.1f| | 8 |
| Offside Front Seat belt retracting mechanism defective |5.2.5b| | 8 |
| Offside Front Front wheel bearing rough when rotated |2.5.A.2| | 8 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 8 |
| Nearside Front Seat belt insecurely fixed to the vehicles structure |5.2.1a| | 8 |
| Nearside Seat belt insecurely fixed to the vehicles structure |5.2.1a| | 8 |
| Fuel cap/sealing device sealing washer deteriorated |7.2.4c| | 8 |
| Offside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 8 |
| Brake pedal spongy |3.3.B.1b| | 8 |
| Offside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 8 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 8 |
| Steering component mounting prescribed area is excessively corroded |2.2.C.1h| | 8 |
| Nearside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 8 |
| Exhaust emissions hydrocarbon content excessive (8.2.1.2 (b)) | 8 |
| Offside Front Suspension spring mounting prescribed area is excessively corroded chassis |2.4.A.3| | 8 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 8 |
| Nearside Indicator tell tale inoperative |1.4.A.2a| | 8 |
| Windscreen wiper not working (3.4 (a)) | 8 |
| Nearside Rear Rear reflector missing |1.5.1a| | 8 |
| Offside Front Body or chassis has an unsatisfactory modification, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 8 |
| All position lamps not working |1.1.A.3b| | 8 |
| Offside Obligatory mirror missing |8.1.1| | 8 |
| Hazard warning tell tale not working correctly |1.4.B.1e| | 8 |
| Direction indicators flashing less than 60 times a minute |1.4.A.2g| | 8 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 8 |
| Nearside Front Steering pivot point has excessive play |2.2.B.1g| | 8 |
| Nearside Headlamp insecure |1.7.3| | 8 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 8 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 7 |
| Headlamp switch faulty |1.7.1| | 7 |
| Offside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 7 |
| Exhaust engine idle speed too high |7.3.A.2a| | 7 |
| front brakes release unevenly |3.7.B.4| | 7 |
| Nearside Front Front wheel bearing rough when rotated |2.5.A.2| | 7 |
| Offside Rear Suspension spring mounting prescribed area is inadequately repaired |2.4.A.3| | 7 |
| Nearside Rear Rear position lamp|s| not working |1.1.A.3b| | 7 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 7 |
| Driver`s seat insecure |6.2.A.1| | 7 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 7 |
| Offside Front Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 7 |
| Offside Rear Service brake grabbing severely |3.7.C.2| | 7 |
| Nearside Front Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 7 |
| An item not tested |Manual| | 7 |
| Nearside Rear Brake pipe inadequately clipped |3.6.B.1| | 7 |
| Offside Front Suspension spring mounting prescribed area is inadequately repaired |2.4.A.3| | 7 |
| Offside Rear Rear reflector missing |1.5.1a| | 7 |
| Nearside Front front brake binding |3.7.B.1| | 7 |
| Headlamp aim not tested |1.8.A.1c| | 7 |
| Horn not working (7.7 (a) (ii)) | 7 |
| Offside Front Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a| | 7 |
| Offside Rear brake drum contaminated by oil |3.5.1h| | 7 |
| Front Windscreen wiper not operating automatically when switched on |8.2.1b| | 7 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 7 |
| Offside Front front brake recording little or no effort |3.7.B.5a| | 7 |