| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 10 |
| Parking brake: efficiency below requirements |3.7.B.7| | 8 |
| Registration plate lamp issues | 6 |
| Brakes imbalanced across an axle | 4 |
| Brake load sensing valve linkage seized |3.6.E.3| | 4 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 4 |
| Rear parking brake recording little or no effort | 4 |
| Offside Side repeater not working |1.4.A.2c| | 3 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 3 |
| Rear brake binding | 3 |
| Offside Headlamp insecure |1.7.3| | 2 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 2 |
| Nearside Front Side repeater not working |1.4.A.2c| | 2 |
| Rear brake application uneven | 2 |
| Nearside Stop lamp not working |1.2.1b| | 2 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 2 |
| Windscreen has damage | 2 |
| Registration plate issues | 2 |
| rear brakes release unevenly |3.7.B.4| | 2 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 2 |
| Nearside Front Headlamp insecure |1.7.3| | 2 |
| Front brake application uneven | 2 |
| front brakes release unevenly |3.7.B.4| | 2 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 2 |
| Parking brake lever has no reserve travel |3.1.6b| | 1 |
| Position lamp switch faulty |1.1.A.1| | 1 |
| Offside Front Direction indicators not working |1.4.A.2c| | 1 |
| Offside Stop lamp not working |1.2.1b| | 1 |
| Offside Rear fog lamp not working |1.3.2b| | 1 |
| Offside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Side repeater not working |1.4.A.2c| | 1 |
| Nearside Rear Rear position lamp|s| missing |1.1.A.3a| | 1 |
| Nearside Front Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Offside Front Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Nearside Rear Radius arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Offside Front Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 1 |
| Windscreen wiper does not clear the windscreen effectively | 1 |
| Wheel bolt|s| missing |4.2.A.1e| | 1 |
| Rear Exhaust mounting missing |7.1.1b| | 1 |
| Nearside Ball joint has excessive play |2.2.B.1f| | 1 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Nearside Headlamp insecure |1.7.3| | 1 |
| Fuel pipe union leaking |7.2.3| | 1 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 1 |
| Steering pivot point has excessive play |2.2.B.1g| | 1 |
| Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 1 |
| brake disc has restricted free movement |3.5.1j| | 1 |
| Offside brake disc in such a condition that it is seriously weakened |3.5.1i| | 1 |
| Brake pipe excessively corroded | 1 |
| Nearside Rear Wheel bolt|s| missing |4.2.A.1e| | 1 |
| Offside Front Body has a projection caused by damage |6.1.C.1| | 1 |
| Nearside Body has a projection caused by damage |6.1.C.1| | 1 |
| Stop lamp not working |1.2.1b| | 1 |
| Horn not working |1.6.2a| | 1 |
| Headlamp not working on dipped beam |1.7.5a| | 1 |
| Headlamp aim not tested |1.8.A.1c| | 1 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 1 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 1 |
| Rear Brake valve leaking |3.6.A.1| | 1 |
| Front position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Headlamp not in a clean condition affecting beam image |1.2.4a| | 1 |
| Offside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 1 |
| Brake pedal has excessive side movement indicating a badly worn bearing or pivot |3.3.A.1d| | 1 |
| Parking brake lever defective so that it cannot be satisfactorily operated |3.1.3c| | 1 |
| Nearside Brake cable has restricted free movement |3.5.1k| | 1 |
| Nearside Rear Stop lamp not working |1.2.1b| | 1 |
| Offside Rear Stop lamp not working |1.2.1b| | 1 |
| Offside Obligatory mirror does not provide a view to the rear |8.1.2b| | 1 |
| Nearside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Offside Front Side repeater not working |1.4.A.2c| | 1 |
| Nearside Rear Brake pipe excessively chafed |3.6.B.2c| | 1 |
| Offside Brake cable has restricted free movement |3.5.1k| | 1 |
| Rear Mechanical brake component has restricted free movement | 1 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 1 |
| Fuel tank leaking |7.2.3| | 1 |
| Nearside Front coil spring fractured |2.4.C.1a| | 1 |
| Offside Front Headlamp insecure |1.7.3| | 1 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 1 |
| Nearside Headlamp aim beam image kick up to the offside |1.8| | 1 |
| Offside Headlamp aim beam image kick up to the offside |1.8| | 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 |
| Hazard warning tell tale not working correctly |1.4.B.1e| | 1 |
| Nearside front brake binding |3.7.B.1| | 1 |
| Offside Front coil spring fractured |2.4.C.1a| | 1 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 1 |
| Nearside Side repeater not working |1.4.A.2c| | 1 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 1 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 1 |
| Offside Front Headlamp excessively damaged so that the light output is severely reduced |1.7.5a| | 1 |
| Indicator tell tale inoperative |1.4.A.2a| | 1 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 1 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 1 |
| Offside Front brake disc excessively pitted |3.5.1h| | 1 |