| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 136 |
| Brakes imbalanced across an axle | 112 |
| Windscreen wiper does not clear the windscreen effectively | 83 |
| Rear brake binding | 63 |
| Horn not working |1.6.2a| | 61 |
| Registration plate lamp issues | 61 |
| Nearside Stop lamp not working |1.2.1b| | 58 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 57 |
| Offside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 47 |
| Nearside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 46 |
| Offside Stop lamp not working |1.2.1b| | 45 |
| Parking brake: efficiency below requirements |3.7.B.7| | 45 |
| Service brake: efficiency below requirements |3.7.C.1a| | 41 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 40 |
| Parking brake lever has no reserve travel |3.1.6b| | 38 |
| Offside Front Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 36 |
| Offside Headlamp not working on main beam |1.7.5a| | 35 |
| Nearside Headlamp not working on main beam |1.7.5a| | 34 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 33 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 31 |
| Service brake: efficiency below requirements |3.7.B.7| | 31 |
| Rear brake application uneven | 29 |
| Front brake application uneven | 29 |
| Nearside Front Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 29 |
| Registration plate issues | 28 |
| Brake hose excessively deteriorated | 28 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 27 |
| Battery insecure |1.9.1| | 24 |
| Offside Front Direction indicator not working |1.4.A.2c| | 20 |
| Direction indicators not working |1.4.A.2c| | 20 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 19 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 18 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 17 |
| Steering system has excessive free play detected at the steering wheel |steering box fitted| |2.2.A.1a| | 17 |
| Brake pipe excessively corroded | 17 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 16 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 16 |
| Nearside front brake binding |3.7.B.1| | 16 |
| Nearside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 16 |
| Nearside Rear Shock absorber has an excessively worn bush |2.7.4| | 15 |
| Offside front brake binding |3.7.B.1| | 15 |
| Indicator tell tale inoperative |1.4.A.2a| | 15 |
| Rear Exhaust system not adequately supported |7.1.1| | 14 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 13 |
| Rear parking brake recording little or no effort | 13 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 13 |
| Steering box insecure |2.2.B.1a| | 13 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 12 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 12 |
| Offside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 12 |
| Nearside Front Shock absorber has an excessively worn bush |2.7.4| | 12 |
| Brake pedal has insufficient reserve movement |3.3.A.5| | 12 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 12 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 12 |
| Steering system excessively tight |2.2.D.1| | 11 |
| Windscreen washer not working | 11 |
| Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 11 |
| Brake performance not tested |3.7.A.1| | 11 |
| Nearside Front Lower Shock absorber has an excessively worn bush |2.7.4| | 11 |
| Service brake is causing the vehicle to swerve to the nearside |3.7.C.2| | 11 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 11 |
| Nearside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 11 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 10 |
| Service brake is causing the vehicle to swerve to the offside |3.7.C.2| | 10 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 10 |
| Mechanical brake component has restricted free movement | 10 |
| Centre Exhaust system not adequately supported |7.1.1| | 10 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 10 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 10 |
| Nearside Rear Stop lamp not working |1.2.1b| | 10 |
| Stop lamp remains on when the brakes are released | 10 |
| Offside Front Leaf spring has excessive wear in a shackle pin and/or bush |2.4.B.2| | 9 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 9 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 9 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 9 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 9 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 9 |
| Nearside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 9 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 9 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 9 |
| Fuel cap/sealing device sealing washer missing |7.2.4c| | 9 |
| Offside Front Shock absorber has an excessively worn bush |2.7.4| | 9 |
| Steering box has relative movement between sector shaft and the drop arm |2.2.B.1b| | 9 |
| Brake pedal spongy |3.3.B.1b| | 9 |
| Nearside Rear Lower Shock absorber has an excessively worn bush |2.7.4| | 8 |
| Offside Front Lower Shock absorber has an excessively worn bush |2.7.4| | 8 |
| Headlamp not working on main beam |1.7.5a| | 8 |
| Offside Rear Leaf spring splayed and action impaired |2.4.B.1c| | 8 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 8 |
| Offside Rear Braking system leaking |3.6.A.1| | 8 |
| Offside Headlamp insecure |1.7.3| | 7 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 7 |
| Fuel tank leaking |7.2.3| | 7 |
| All position lamps not working |1.1.A.3b| | 7 |
| Stop lamp not working |1.2.1b| | 7 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 7 |
| Rear Mechanical brake component has restricted free movement | 7 |
| Nearside Front Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 7 |
| Offside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 7 |
| Offside Front Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 7 |
| Offside Rear Stop lamp not working |1.2.1b| | 7 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 7 |
| Offside Rear Shock absorber has an excessively worn bush |2.7.4| | 7 |
| Nearside Front front brake binding |3.7.B.1| | 6 |
| Nearside Front Axle swivel joint has excessive play |2.5.A.3b| | 6 |
| Front Windscreen wiper not operating automatically when switched on |8.2.1b| | 6 |
| Offside Front front brake binding |3.7.B.1| | 6 |
| Windscreen washer control missing |8.2.1a| | 6 |
| Main beam `tell-tale` not working |1.7.4c| | 6 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 6 |
| Nearside Rear brake drum contaminated by oil |3.5.1h| | 6 |
| Fuel cap/sealing device sealing washer deteriorated |7.2.4c| | 6 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 6 |
| Offside Front Steering component mounting prescribed area is excessively corroded |2.2.C.1h| | 6 |
| Nearside Front brake drum contaminated by oil |3.5.1h| | 6 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 6 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 6 |
| Exhaust system not adequately supported |7.1.1| | 6 |
| Nearside Front Statutory seat belt missing |5.1.1| | 6 |
| Intermediate drop arm insecure |2.2.B.1a| | 6 |
| Offside Obligatory mirror missing |8.1.1| | 5 |
| Offside Rear Lower Shock absorber has an excessively worn bush |2.7.4| | 5 |
| Speedometer cannot be illuminated. |6.7.3| | 5 |
| Offside Front Statutory seat belt missing |5.1.1| | 5 |
| Rear Stop lamp not working |1.2.1b| | 5 |
| Offside Front Axle swivel joint has excessive play |2.5.A.3b| | 5 |
| Brake hose has insufficient room to move | 5 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 5 |
| Offside Front Seat belt insecurely fixed to the vehicles structure |5.2.1a| | 5 |
| Nearside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 5 |
| Offside Front Steering pivot point has excessive play |2.2.B.1g| | 5 |
| Brake hose damaged | 5 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 5 |
| Offside Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 5 |
| Nearside Drag link end ball joint has excessive play |2.2.B.1f| | 5 |
| Nearside Front Leaf spring has excessive wear in a shackle pin and/or bush |2.4.B.2| | 5 |
| Offside Rear Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 5 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 5 |
| Offside Front Brake master cylinder/servo mounting prescribed area is excessively corroded |3.6.C.3| | 5 |
| Offside Windscreen wiper not operating automatically when switched on |8.2.1b| | 5 |
| Horn not working (7.7 (a) (ii)) | 5 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 5 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 5 |
| Nearside Front Direction indicators not working |1.4.A.2c| | 4 |
| Nearside Rear Brake pipe inadequately clipped |3.6.B.1| | 4 |
| Brake linkage locking device insecure |3.5.1l| | 4 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 4 |
| Nearside Rear Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 4 |
| Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 4 |
| Nearside Front Seat belt insecurely fixed to the vehicles structure |5.2.1a| | 4 |
| Nearside Rear reflector missing |1.5.1a| | 4 |
| Offside Rear reflector missing |1.5.1a| | 4 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 4 |
| Offside Front Axle swivel joint has excessive play in a swivel pin |2.5.A.3b| | 4 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 4 |
| front brakes release unevenly |3.7.B.4| | 4 |
| Nearside Headlamp insecure |1.7.3| | 4 |
| Headlamp not working on dipped beam |1.7.5a| | 4 |
| Brake master cylinder/servo mounting prescribed area is excessively corroded |3.6.C.3| | 4 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 4 |
| Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 4 |
| Nearside front brake recording little or no effort |3.7.B.5a| | 4 |
| Service brake is causing the steering wheel to severely pull one way |3.7.C.2| | 4 |
| Offside Rear wheel bearing has excessive play |2.6.2| | 4 |
| Offside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 4 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 4 |
| Braking system leaking |3.6.A.1| | 4 |
| Nearside Windscreen wiper not operating automatically when switched on |8.2.1b| | 4 |
| Offside Rear front brake binding |3.7.B.1| | 4 |
| Offside Indicator tell tale inoperative |1.4.A.2a| | 4 |
| Nearside Front Leaf spring has a deteriorated shackle pin rubber bush resulting in excessive movement |2.4.B.2| | 4 |
| Offside Headlamp excessively damaged so that the light output is severely reduced |1.7.5a| | 4 |
| Nearside Rear Leaf spring splayed and action impaired |2.4.B.1c| | 4 |
| rear brakes release unevenly |3.7.B.4| | 4 |
| Headlamp aim not tested |1.8.A.1c| | 4 |
| Steering wheel retaining device insecure |2.1.6| | 4 |
| Nearside Front Front wheel bearing rough when rotated |2.5.A.2| | 4 |
| Windscreen wiper not operating automatically when switched on |8.2.1b| | 4 |
| Windscreen wiper blade insecure | 4 |
| Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 4 |
| Nearside Steering system fouling |2.2.D.2a| | 3 |
| Offside Rear Leaf spring to axle securing nut insecure |2.4.B.7b| | 3 |
| Offside Seat belt insecurely fixed to the vehicles structure |5.2.1a| | 3 |
| Offside Rear Brake pipe inadequately clipped |3.6.B.1| | 3 |
| Offside Direction indicator not working |1.4.A.2c| | 3 |
| Offside Rear Leaf spring has excessive wear in a shackle pin and/or bush |2.4.B.2| | 3 |
| Brake pipe inadequately clipped |3.6.B.1| | 3 |
| Nearside Rear Leaf spring has excessive wear in a shackle pin and/or bush |2.4.B.2| | 3 |
| Offside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 3 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 3 |
| Nearside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 3 |
| Offside Front Electrical wiring insecure |1.9.2a| | 3 |
| Fuel system component leaking |7.2.3| | 3 |
| Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 3 |
| Nearside Front Seat belt has a cut which has significantly weakened the webbing |5.2.2a| | 3 |
| Nearside Rear position lamp|s| incorrect colour |1.1.A.3e| | 3 |
| Offside Direction indicators not working |1.4.A.2c| | 3 |
| Rear Vehicle structure excessively corroded within 30cm of towbar mounting |6.6.6| | 3 |
| Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 3 |
| Offside Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 3 |
| Nearside Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 3 |
| Brake has no servo assistance |3.3.B.2| | 3 |
| Nearside Indicator tell tale inoperative |1.4.A.2a| | 3 |
| Steering arm has relative movement at its fixings |2.2.B.1h| | 3 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 3 |
| Offside Rear Direction indicator incomplete |1.5.A1b| | 3 |
| Nearside Front Axle swivel joint has excessive movement between a swivel joint and its housing |2.5.A.1b| | 3 |
| Nearside Rear Leaf spring to axle securing nut insecure |2.4.B.7b| | 3 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 3 |
| Rear Exhaust has a part missing |7.1.1a| | 3 |
| Brake pedal anti-slip provision worn smooth |3.3.A.1b| | 3 |
| Dipswitch operation does not extinguish all main beam headlamps leaving at least one pair of dipped beam headlamps |1.7.4b| | 3 |
| Headlamp switch faulty |1.7.1| | 3 |
| Nearside Seat belt insecurely fixed to the vehicles structure |5.2.1a| | 3 |
| Offside Front Drag link end ball joint has excessive play |2.2.B.1f| | 3 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 3 |
| Dipswitch operation does not deflect all main beam headlamps to make them dipped beams |1.7.4b| | 3 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 3 |
| Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Steering box has a significant oil leak |2.2.D.2e| | 3 |
| Offside Front Wheel stud|s| missing |4.2.A.1e| | 3 |
| Exhaust emits excessive dense blue smoke during acceleration |7.3.A.2c| | 3 |
| Nearside Rear front brake binding |3.7.B.1| | 3 |
| Offside Rear Direction indicators not working |1.4.A.2c| | 3 |
| Rear position lamp|s| not working |1.1.A.3b| | 3 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 3 |
| Drag link end ball joint has excessive play |2.2.B.1f| | 3 |
| Rear Brake hose bulging under pressure |3.6.B.3| | 3 |
| Offside Front Braking system leaking |3.6.A.1| | 3 |
| Direction indicators flashing less than 60 times a minute |1.4.A.2g| | 3 |
| Centre Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Offside Drag link end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 3 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 3 |
| Nearside Axle swivel joint has excessive play |2.5.A.3b| | 3 |
| Nearside Drag link end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 3 |
| Nearside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 3 |
| Nearside Headlamp excessively damaged so that the light output is severely reduced |1.7.5a| | 3 |
| Front Drive shaft uj which forms part of the suspension has excessive play in a universal joint |2.4.G.4b| | 3 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 3 |
| Nearside Front Seat belt locking mechanism does not secure or release |5.2.5a| | 3 |
| Driver`s seat cannot be secured in the upright position. |6.2.A.2| | 3 |
| Nearside Rear Direction indicator flashing more than 120 times a minute |1.4.A.2g| | 3 |
| Nearside Rear Leaf spring fractured |2.4.B.1a| | 3 |
| Nearside Front Vehicle structure has an inadequate repair, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 3 |
| Steering pivot point has excessive play |2.2.B.1g| | 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 Steering arm has relative movement at its fixings |2.2.B.1h| | 3 |
| Offside Front Track rod end loose |2.2.B.1d| | 3 |