| Most common failures | No# failures |
|---|
| Brakes imbalanced across an axle | 19 |
| Exhaust emissions carbon monoxide content excessive |7.3.B.1a| | 15 |
| Headlamp aim out of alignment | 14 |
| Direction indicators not working |1.4.A.2c| | 9 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 8 |
| Parking brake: efficiency below requirements |3.7.B.7| | 8 |
| Registration plate issues | 7 |
| Registration plate lamp issues | 7 |
| Horn not working |1.6.2a| | 7 |
| Rear brake binding | 6 |
| Exhaust emissions hydrocarbon content excessive |7.3.B.1b| | 6 |
| Offside Front Wheel insecure |4.2.A.1c| | 6 |
| Nearside front brake binding |3.7.B.1| | 5 |
| Rear parking brake recording little or no effort | 5 |
| Windscreen wiper does not clear the windscreen effectively | 5 |
| Nearside Front Wheel insecure |4.2.A.1c| | 5 |
| Offside Rear Wheel insecure |4.2.A.1c| | 5 |
| Hazard warning lamps inoperative |1.4.B.1b| | 4 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 4 |
| Nearside Rear Wheel insecure |4.2.A.1c| | 4 |
| Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 4 |
| Service brake: efficiency below requirements |3.7.B.7| | 4 |
| Offside Indicator tell tale inoperative |1.4.A.2a| | 4 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 3 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 3 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 3 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 3 |
| Brake pipe excessively corroded | 3 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 3 |
| Rear brake application uneven | 3 |
| Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 3 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 3 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 3 |
| Offside Headlamp not working on main beam |1.7.5a| | 3 |
| Brake hydraulic reservoir fluid level below minimum level |3.6.G.1b| | 3 |
| Exhaust emissions carbon monoxide content excessive |8.2.1.2 |b|| | 2 |
| Offside Front Service brake excessively binding |1.2.1 |f|| | 2 |
| Service brake is causing the vehicle to swerve to the offside |3.7.C.2| | 2 |
| Offside front brake binding |3.7.B.1| | 2 |
| Braking system leaking |3.6.A.1| | 2 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 2 |
| Offside Rear wheel cylinder leaking |3.6.A.1| | 2 |
| Steering system excessively tight |2.2.D.1| | 2 |
| Parking brake lever releases when knocked |3.1.6a| | 2 |
| Nearside Rear Wheel nut|s| loose |4.2.A.1e| | 2 |
| Parking brake lever defective so that it cannot be satisfactorily operated |3.1.3c| | 2 |
| Direction indicators not in good working order |function impaired| |1.5.A1b| | 2 |
| Rear fog lamp tell tale not working |1.3.1b| | 2 |
| Rear fog lamp not working |1.3.2b| | 2 |
| Stop lamp not working |1.2.1b| | 2 |
| Nearside Windscreen wiper not operating automatically when switched on |8.2.1b| | 2 |
| Offside Windscreen wiper not operating automatically when switched on |8.2.1b| | 2 |
| Offside Rear brake drum contaminated by oil |3.5.1h| | 2 |
| Hazard warning switch faulty |1.4.B.1d| | 2 |
| All position lamps not working |1.1.A.3b| | 2 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 2 |
| Headlamp not working on dipped beam |1.7.5a| | 2 |
| Headlamp not working on main beam |1.7.5a| | 2 |
| Direction indicators flashing less than 60 times a minute |1.4.A.2g| | 2 |
| Nearside Rear Direction indicator adversely affected by the operation of another lamp |1.4.A.2h| | 2 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 2 |
| Centre Exhaust system not adequately supported |7.1.1| | 2 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 2 |
| Rear Exhaust system not adequately supported |7.1.1| | 2 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 2 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 2 |
| Nearside Front Axle king pin is loose in the axle beam |5.1.2 |d| |i|| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Offside Front Position lamp not working |4.2.1 |a|| | 1 |
| Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Headlamp aim not tested |4.1.2 |b|| | 1 |
| Nearside Front front brake binding |3.7.B.1| | 1 |
| Offside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Offside Front position lamp|s| flickers when tapped lightly by hand |1.1.4c| | 1 |
| Nearside Obligatory mirror missing |8.1.1| | 1 |
| Offside Front Seat belt insecurely fixed to the vehicles structure |5.2.1a| | 1 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 1 |
| Brake pedal creeps down while the pedal is held under pressure |3.3.B.1a| | 1 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 1 |
| Offside Front Direction indicator not working |1.4.A.2c| | 1 |
| Offside Front Shock absorber has an excessively worn bush |2.7.4| | 1 |
| Offside brake disc contaminated by oil |3.5.1h| | 1 |
| Offside Front Headlamp light intensity severely reduced |4.1.4 |a|| | 1 |
| Windscreen washer not working | 1 |
| Offside Front Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 1 |
| Nearside Front Wheel nut|s| loose |4.2.A.1e| | 1 |
| Offside Rear Parking brake: efficiency below requirements |3.7.B.7| | 1 |
| Hazard warning tell tale not working correctly |1.4.B.1e| | 1 |
| Nearside Front Seat belt attachment fitting badly deteriorated |5.2.3| | 1 |
| Offside Front Statutory seat belt missing |5.1.1| | 1 |
| Nearside Front Lower Front suspension locking device ineffective king pin bolts |2.5.A.4| | 1 |
| Offside Front Lower Front suspension retaining device ineffective king pin bolts |2.5.A.4| | 1 |
| engine mounting bracket insecure and likely to fail gearbox mount bolts undone |6.1.D.1b| | 1 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Offside Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 1 |
| Brake pedal anti-slip provision missing |1.1.2 |c|| | 1 |
| Offside Front Driver`s door does not latch securely closed |6.2.B.1a| | 1 |
| Offside Front Driver`s door hinge insecure |6.2.B.2| | 1 |
| Brake hose damaged | 1 |
| Offside Front Lower Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Front Steering box has a significant oil leak |2.2.D.2e| | 1 |
| Front Front wheel bearing has excessive play both side |2.5.A.3c| | 1 |
| Nearside Front Steering pivot point has excessive play |2.2.B.1g| | 1 |
| Offside Front Steering pivot point has excessive play |2.2.B.1g| | 1 |
| Front Horn not working |1.6.2a| | 1 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 1 |
| Offside Rear brake drum contaminated by brake fluid |3.5.1h| | 1 |
| Nearside Front Suspension arm has excessive play in a pin/bearing |2.4.G.2| | 1 |
| Offside Front brake caliper has restricted free movement |3.5.1k| | 1 |
| Offside Front Fuel system component leaking |7.2.3| | 1 |
| Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Nearside Headlamp not working on main beam |1.7.5a| | 1 |
| Nearside Headlamp excessively damaged so that the light output is severely reduced |1.7.5a| | 1 |
| Windscreen wiper control is inaccessible to the driver |8.2.1a| | 1 |
| Battery insecure |1.9.1| | 1 |
| Exhaust system not adequately supported |7.1.1| | 1 |
| Nearside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Offside Brake master cylinder/servo mounting prescribed area is excessively corroded |3.6.C.3| | 1 |
| Centre Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 1 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Horn control missing |1.6.1| | 1 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Offside Front Steering system fouling |2.2.D.2a| | 1 |
| Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Horn not a constant note |1.7.1e| | 1 |
| Windscreen has damage | 1 |
| Nearside Axle king pin is loose in the axle beam |2.5.A.3a| | 1 |
| Offside Vehicle structure is damaged, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Vehicle structure is cracked, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Nearside Rear Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 1 |
| Nearside Rear Vehicle structure is cracked, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Rear Vehicle structure is cracked, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Lower Steering column universal joint has excessive play |2.1.5| | 1 |
| Steering box has relative movement between sector shaft and the drop arm |2.2.B.1b| | 1 |
| Nearside Front Wheel fitment excessively worn between the wheel and hub spigot mounting |4.2.B.5| | 1 |
| Offside Front Wheel fitment excessively worn between the wheel and hub spigot mounting |4.2.B.5| | 1 |
| Offside Rear Leaf spring to axle securing nut missing |2.4.B.7b| | 1 |
| Offside Rear Leaf spring to axle securing nut insecure |2.4.B.7b| | 1 |
| Nearside Front Lower Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 1 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Nearside Front Lower Axle swivel joint has excessive play |2.5.A.3b| | 1 |
| Offside Front Lower Axle swivel joint has excessive play |2.5.A.3b| | 1 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 1 |
| Steering system has excessive free play detected at the steering wheel |steering box fitted| |2.2.A.1a| | 1 |
| Offside Front Seat belt retracting mechanism defective |5.2.5b| | 1 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 1 |
| Nearside Front Suspension component mounting prescribed area is fractured |2.4.A.3| | 1 |
| Front brake disc contaminated by oil |3.5.1h| | 1 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 1 |
| Offside Front front brake binding |3.7.B.1| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Offside Rear Wheel nut|s| loose |4.2.A.1e| | 1 |
| Parking brake lever has no reserve travel |3.1.6b| | 1 |
| Offside Rear Service brake excessively binding |1.2.1 |f|| | 1 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 1 |
| Offside Rear Braking system leaking |3.6.A.1| | 1 |
| Front Exhaust system not adequately supported |7.1.1| | 1 |
| Nearside Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a| | 1 |
| Offside Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a| | 1 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 1 |
| Fuel system component leaking |7.2.3| | 1 |
| Offside Rear Stop lamp not working |1.2.1b| | 1 |
| Offside Front Direction indicators not working |1.4.A.2c| | 1 |
| Offside Front Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 1 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 1 |
| Brake fluid warning lamp illuminated |3.6.G.2| | 1 |
| Mechanical brake component has restricted free movement | 1 |
| Nearside Rear rear brake grabbing severely |3.7.A.5b| | 1 |
| Nearside Front position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Offside Front position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Nearside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Nearside Front Direction indicator adversely affected by the operation of another lamp |1.4.A.2h| | 1 |
| Offside Front Direction indicator adversely affected by the operation of another lamp |1.4.A.2h| | 1 |
| Offside Rear Direction indicator adversely affected by the operation of another lamp |1.4.A.2h| | 1 |
| Nearside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 1 |
| Offside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 1 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 1 |
| Nearside Front Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a| | 1 |
| Offside Front Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a| | 1 |
| Offside Rear Hydraulic brake cylinder insecurely mounted |3.6.A.2a| | 1 |
| Nearside Stop lamp not working |1.2.1b| | 1 |
| Offside Stop lamp not working |1.2.1b| | 1 |
| rear parking |secondary| brakes imbalanced | 1 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Steering wheel likely to become detached insecure (2.2.1 (b) (ii)) | 1 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Nearside Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Offside Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Nearside Rear Parking brake inoperative on one side grabbing (1.4.1 (a)) | 1 |
| Offside Rear Brake drum contaminated (1.1.14 (b)) | 1 |
| Steering box has relative movement between sector shaft and the drop arm (2.1.3 (a) (i)) | 1 |
| Brake pedal anti-slip provision missing (1.1.2 (c)) | 1 |
| Offside Rear Hydraulic brake cylinder insecurely mounted and braking performance affected Wheel cylinder (1.1.16 (c) (ii)) | 1 |