| Most common failures | No# failures |
|---|
| Brakes imbalanced across an axle | 14 |
| Parking brake: efficiency below requirements |3.7.B.7| | 8 |
| Rear parking brake recording little or no effort | 8 |
| Horn not working |1.6.2a| | 6 |
| Registration plate lamp issues | 4 |
| Nearside front brake recording little or no effort |3.7.B.5a| | 4 |
| Headlamp aim out of alignment | 4 |
| Offside Stop lamp not working |1.2.1b| | 3 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 3 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 3 |
| Nearside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 2 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 2 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 2 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 2 |
| Offside Steering rack gaiter split |2.2.D.2d| | 2 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 2 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 2 |
| Rear brake binding | 2 |
| Nearside Front front brake recording little or no effort |3.7.B.5a| | 2 |
| Service brake: efficiency below requirements |3.7.B.7| | 2 |
| Front brake application uneven | 2 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 2 |
| Braking system leaking |3.6.A.1| | 2 |
| Indicator tell tale inoperative |1.4.A.2a| | 1 |
| Steering column top bearing excessively worn |2.1.2c| | 1 |
| Nearside Rear reflector missing |1.5.1a| | 1 |
| Offside Rear reflector missing |1.5.1a| | 1 |
| Rear Exhaust system not adequately supported |7.1.1| | 1 |
| Nearside Steering pivot point has excessive play |2.2.B.1g| | 1 |
| Nearside Front Shock absorber insecure |2.7.2b| | 1 |
| Stop lamp not working |1.2.1b| | 1 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 1 |
| Nearside Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Nearside Steering arm has relative movement at its fixings |2.2.B.1h| | 1 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 1 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 1 |
| Steering column universal joint has excessive play |2.1.5| | 1 |
| Nearside Front Valve stem seriously misaligned |4.1.D.1e| | 1 |
| Offside Front Valve stem seriously misaligned |4.1.D.1e| | 1 |
| Nearside Rear Braking system leaking |3.6.A.1| | 1 |
| Service brake: efficiency below requirements |3.7.C.1a| | 1 |
| Offside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Nearside Front Windscreen wiper not operating automatically when switched on |8.2.1b| | 1 |
| Offside Front Windscreen wiper not operating automatically when switched on |8.2.1b| | 1 |
| Windscreen washer control missing |8.2.1a| | 1 |
| Offside Front coil spring incomplete |2.4.C.1a| | 1 |
| Rear Service brake application uneven across the axle |3.7.D.2b| | 1 |
| Nearside Rear Trikes, quads or pre-68 vehicles, service brake efficiency below requirements |3.7.D.4| | 1 |
| Offside Front Road wheel badly damaged |4.2.A.1a| | 1 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Offside Front front brake recording little or no effort |3.7.B.5a| | 1 |
| Brake master cylinder insecure (1.1.10 (c)) | 1 |
| Nearside Front Brake hose connection leaking on a hydraulic braking system (1.1.12 (c) (ii)) | 1 |
| Offside Front Brake hose connection leaking on a hydraulic braking system (1.1.12 (c) (ii)) | 1 |
| Nearside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Nearside front brake binding |3.7.B.1| | 1 |
| Offside Front Brake hose leaking |3.6.A.1| | 1 |
| Offside Front Brake hose bulging under pressure |3.6.B.3| | 1 |
| Offside Rear Brake hose bulging under pressure |3.6.B.3| | 1 |
| Nearside Front Semaphore indicator arm does not extend smoothly |1.4.C.1a| | 1 |
| Nearside Front Steering rack gaiter split |2.2.D.2d| | 1 |
| Offside Front Body has a projection caused by corrosion |6.1.C.1| | 1 |
| Nearside Steering locking device missing |2.2.C.1g| | 1 |
| Offside Steering locking device missing |2.2.C.1g| | 1 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 1 |
| Offside Fuel pipe leaking |7.2.3| | 1 |
| Nearside Front front brake binding |3.7.B.1| | 1 |
| Offside Front front brake binding |3.7.B.1| | 1 |
| Offside Rear front brake recording little or no effort |3.7.B.5a| | 1 |
| Offside Rear front parking brake recording little or no effort |3.7.B.6a| | 1 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 1 |
| Rear brake application uneven | 1 |
| Offside Front Road wheel distorted |4.2.A.1a| | 1 |
| Nearside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Horn control missing |1.6.1| | 1 |
| Front Braking system leaking |3.6.A.1| | 1 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 1 |
| Offside front brake binding |3.7.B.1| | 1 |
| Offside Front Track rod end loose |2.2.B.1d| | 1 |
| Brake pipe leaking |3.6.A.1| | 1 |
| Nearside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Offside Brake pipe inadequately clipped |3.6.B.1| | 1 |
| Steering wheel locking device insecure |2.1.6| | 1 |
| Nearside Outer Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Rear Fuel tank leaking |7.2.3| | 1 |
| Offside front brake grabbing severely |3.7.A.2b| | 1 |
| Nearside Fuel pipe union leaking |7.2.3| | 1 |
| Offside Front Upper Front suspension has excessive movement at a wishbone pin or bush |2.5.A.1c| | 1 |
| Nearside Front Service brake is causing the steering wheel to severely pull one way |3.7.C.2| | 1 |
| Nearside Rear Service brake is causing the vehicle to swerve to the offside |3.7.C.2| | 1 |
| Service brake is causing the steering wheel to severely pull one way |3.7.C.2| | 1 |
| Nearside Rear wheel cylinder leaking |3.6.A.1| | 1 |
| Offside Rear wheel cylinder leaking |3.6.A.1| | 1 |
| Nearside Rear Leaf spring has excessive side play at eye |anchor| |2.4.B.4| | 1 |
| Offside Rear Leaf spring has excessive side play at eye |anchor| |2.4.B.4| | 1 |
| Nearside Rear Leaf spring has excessive side play at eye |shackle| |2.4.B.4| | 1 |
| Offside Rear Leaf spring has excessive side play at eye |shackle| |2.4.B.4| | 1 |