| Most common failures | No# failures |
|---|
| Brakes imbalanced across an axle | 10 |
| Registration plate lamp issues | 10 |
| Parking brake: efficiency below requirements |3.7.B.7| | 9 |
| Rear brake binding | 9 |
| Horn not working |1.6.2a| | 8 |
| Windscreen wiper does not clear the windscreen effectively | 8 |
| Headlamp aim out of alignment | 7 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 5 |
| Rear parking brake recording little or no effort | 5 |
| Offside Front Direction indicator not working |1.4.A.2c| | 4 |
| rear parking |secondary| brakes imbalanced | 4 |
| Front brake application uneven | 4 |
| Nearside Stop lamp not working |1.2.1b| | 3 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 3 |
| Rear Mechanical brake component has restricted free movement | 3 |
| Brake pipe excessively corroded | 3 |
| Service brake: efficiency below requirements |3.7.B.7| | 3 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 3 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 3 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 2 |
| Offside Stop lamp not working |1.2.1b| | 2 |
| Nearside Rear Stop lamp not working |1.2.1b| | 2 |
| Rear brake application uneven | 2 |
| Offside Rear Lower Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Nearside Front Side repeater not working |1.4.A.2c| | 2 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Mechanical brake component has restricted free movement | 2 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 2 |
| Offside Steering rack gaiter split |2.2.D.2d| | 2 |
| All position lamps not working |1.1.A.3b| | 2 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 2 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 2 |
| rear brakes release unevenly |3.7.B.4| | 2 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 2 |
| Brake pedal creeps down when held under pressure |3.3.B.1a| | 1 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 1 |
| front brake binding |3.7.B.1| | 1 |
| Nearside Front Lower Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Rear Stop lamp not working |1.2.1b| | 1 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Front Power steering pipe|s| or hose|s| leaking from a joint |2.3.3b| | 1 |
| Brake fluid contaminated |1.8 |a|| | 1 |
| Brake pipe leaking on an air braking system at servo |1.1.11 |b| |i|| | 1 |
| Nearside Front Upper Suspension arm ball joint dust cover no longer prevents the ingress of dirt |5.3.4 |b| |ii|| | 1 |
| Stop lamp not working |1.2.1b| | 1 |
| Nearside Front Direction indicator insecure |1.4.A.2b| | 1 |
| Centre Front Horn not loud enough to be heard by another road user |1.6.2b| | 1 |
| Nearside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Nearside Front Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b| | 1 |
| Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 1 |
| Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 1 |
| Fuel cap/sealing device mounting flange/sealing method defective |7.2.4c| | 1 |
| Nearside Rear Rear position lamp|s| not in a clean condition and function impaired |1.1.4a| | 1 |
| Nearside Rear Lower Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Offside Front Side repeater not working |1.4.A.2c| | 1 |
| Nearside Front Fluid suspension unit totally deflated |2.4.D.1a| | 1 |
| Nearside Rear Fluid suspension unit totally deflated |2.4.D.1a| | 1 |
| Nearside Outer Front Lower Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Nearside Indicator tell tale inoperative |1.4.A.2a| | 1 |
| Steering rack insecure |2.2.B.1a| | 1 |
| Offside rear brake grabbing severely |3.7.A.5b| | 1 |
| Registration plate issues | 1 |
| Nearside Rear Rear wheel bearing has excessive play |2.6.2| | 1 |
| Exhaust emits dense blue smoke at idle |7.3.A.2b| | 1 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Offside Outer Front Lower Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 1 |
| Offside Rear Sub-frame corroded and seriously weakened |2.4.G.1| | 1 |
| Front Power steering ram|s| leaking from a failed component |2.3.3b| | 1 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 1 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 1 |
| Offside Front Seat belt stitching badly frayed |5.2.2b| | 1 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Direction indicators flashing less than 60 times a minute |1.4.A.2g| | 1 |
| Brake hose excessively deteriorated | 1 |
| Steering damper leaking oil |2.2.C.1f| | 1 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 1 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Obligatory mirror is incapable of being adjusted to provide an adequate view to the rear |8.1.2b| | 1 |
| Offside Rear Rear wheel bearing rough when rotated |2.6.1| | 1 |
| Power steering component|s| leaking steering rack |2.3.3b| | 1 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 1 |
| Steering rack damaged and unserviceable excess play steering rack |2.2.C.1d| | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Horn not working (7.7 (a)) | 1 |
| Offside Obligatory mirror missing |8.1.1| | 1 |
| Centre Obligatory mirror insecure |8.1.1| | 1 |
| Front position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 1 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 1 |
| Nearside Front Direction indicator flashing less than 60 times a minute |1.4.A.2g| | 1 |
| Offside Front Direction indicator flashing less than 60 times a minute |1.4.A.2g| | 1 |
| Nearside Rear Direction indicator flashing less than 60 times a minute |1.4.A.2g| | 1 |
| Offside Rear Direction indicator flashing less than 60 times a minute |1.4.A.2g| | 1 |
| Nearside Rear Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Rear Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 1 |
| Nearside Rear Brake pivot has restricted free movement |3.5.1k| | 1 |
| Centre Rear Vehicle structure is damaged, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Front Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 1 |
| Central Front Power steering pump drive system defective |2.3.6| | 1 |
| Offside Rear Brake clevis joint has restricted free movement |3.5.1k| | 1 |
| Nearside Outer Front Lower Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 1 |
| Offside Lower Front suspension has excessive play in an outer ball joint |2.5.B.2a| | 1 |
| Offside Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Power steering component|s| leaking |2.3.3b| | 1 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Battery insecure |1.9.1| | 1 |
| Nearside Front Upper Ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Nearside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Suspension component mounting prescribed area is inadequately repaired |2.4.A.3| | 1 |
| Offside Front Front drive shaft coupling is excessively worn |2.5.C.1c| | 1 |
| Nearside Front Integral body structure has excessive corrosion which adversely affects braking or steering |6.1.1 |c| |ii|| | 1 |
| Offside Front Integral body structure has excessive corrosion which adversely affects braking or steering |6.1.1 |c| |ii|| | 1 |
| Nearside Front Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 1 |
| Nearside Front Service brake excessively binding |1.2.1 |f|| | 1 |
| Offside Front Service brake excessively binding |1.2.1 |f|| | 1 |
| Offside Rear Brake pipe excessively damaged |3.6.B.2c| | 1 |
| Offside Front Front drive shaft coupling flexible rubber or fabric coupling unit breaking up |2.5.C.1d| | 1 |
| Offside Front Lower Steering locking device insecure ball joint insecure |2.2.C.1g| | 1 |
| Offside Front Seat belt damaged sufficient to obstruct correct operation of the belt |5.2.2a| | 1 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 1 |
| Nearside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Headlamp not working on dipped beam |1.7.5a| | 1 |
| Offside Lower Ball joint has excessive play |2.2.B.1f| | 1 |
| Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 1 |
| Braking system leaking |3.6.A.1| | 1 |