| Most common failures | No# failures |
|---|
| Parking brake: efficiency below requirements |3.7.B.7| | 6 |
| Offside Rear fog lamp not working |1.3.2b| | 5 |
| Headlamp aim out of alignment | 5 |
| Windscreen wiper does not clear the windscreen effectively | 4 |
| Exhaust emissions carbon monoxide content excessive |7.3.B.1a| | 4 |
| Brake pipe excessively corroded | 4 |
| Service brake: efficiency below requirements |3.7.B.7| | 4 |
| Rear fog lamp tell tale not working |1.3.1b| | 3 |
| Rear brake application uneven | 3 |
| Brakes imbalanced across an axle | 3 |
| Brake master cylinder/servo mounting prescribed area is excessively corroded |3.6.C.3| | 3 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 3 |
| Nearside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 3 |
| Registration plate lamp issues | 2 |
| Brake load sensing valve linkage seized |3.6.E.3| | 2 |
| Brake hose excessively deteriorated | 2 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 2 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 2 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 2 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 2 |
| Nearside Front Direction indicator incomplete |1.5.A1b| | 2 |
| Offside Stop lamp emits other than a steady red light |1.2.1e| | 2 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 1 |
| Exhaust system not adequately supported |7.1.1| | 1 |
| Nearside Rear Anti-roll bar attachment bracket/mounting worn and its strength is seriously reduced |2.4.G.1| | 1 |
| Fuel pipe leaking |7.2.3| | 1 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 1 |
| Offside Brake cable has wires broken and is significantly weakened |3.5.1b| | 1 |
| Headlamp not in good working order adversely affecting beam image |1.2.4a| | 1 |
| Nearside Headlamp not working on main beam |1.7.5a| | 1 |
| Statutory seat belt missing |5.1.1| | 1 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 1 |
| Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 1 |
| Parking brake lever has no reserve travel |3.1.6b| | 1 |
| Offside Rear fog lamp insecure |1.3.2a| | 1 |
| Rear Rear fog lamp does not face the rear |1.3.2a| | 1 |
| Offside Rear Anti-roll bar attachment bracket/mounting insecure |2.4.G.1| | 1 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 1 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 1 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 1 |
| Nearside Front Brake pipe inadequately clipped |3.6.B.1| | 1 |
| Front Exhaust system not adequately supported |7.1.1| | 1 |
| Rear Exhaust system not adequately supported |7.1.1| | 1 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Exhaust engine idle speed too high |7.3.A.2a| | 1 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 1 |
| Nearside Rear Suspension spring 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 |
| Offside Brake master cylinder/servo mounting prescribed area is excessively corroded |3.6.C.3| | 1 |
| Offside Front Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a| | 1 |
| Nearside Front front brake grabbing severely |3.7.A.2b| | 1 |
| Nearside Front Seat belt retracting mechanism defective |5.2.5b| | 1 |
| Offside Headlamp not working on main beam |1.7.5a| | 1 |
| Offside Front Drag link end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Offside Rear Lower Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Offside Front Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Hazard warning lamps inoperative |1.4.B.1b| | 1 |
| Nearside Rear Lower Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Brake pedal spongy |3.3.B.1b| | 1 |
| Nearside Front Upper Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Offside Front Upper Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Nearside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 1 |
| Offside Front Upper Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 1 |
| Service brake: efficiency below requirements |3.7.C.1a| | 1 |
| Rear fog lamp not working |1.3.2b| | 1 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 1 |
| Emissions not tested |7.0| | 1 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 1 |
| Rear parking brake recording little or no effort | 1 |
| Offside Rear position lamp|s| has less than 50% of the light sources illuminating |1.1.A.3b| | 1 |
| Nearside Front Wheel bearing has excessive play requires adjustment (5.1.3 (a) (i)) | 1 |
| Offside Front Wheel bearing has excessive play requires adjustment (5.1.3 (a) (i)) | 1 |
| Exhaust emissions carbon monoxide content excessive (8.2.1.2 (b)) | 1 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 1 |
| Offside Rear Upper Direction indicator not working |1.4.A.2c| | 1 |
| Offside Side repeater not working |1.4.A.2c| | 1 |
| Registration plate issues | 1 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 1 |
| Offside Body or chassis is damaged, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Nearside Direction indicators not working |1.4.A.2c| | 1 |
| Offside Direction indicators not working |1.4.A.2c| | 1 |
| Nearside Rear Brake pipe inadequately clipped |3.6.B.1| | 1 |
| Offside Rear Brake pipe inadequately clipped |3.6.B.1| | 1 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 1 |
| Hazard warning switch faulty |1.4.B.1d| | 1 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |