| Most common failures | No# failures |
|---|
| Service brake: efficiency below requirements |3.7.B.7| | 12 |
| Headlamp aim out of alignment | 12 |
| Brakes imbalanced across an axle | 5 |
| Rear parking brake recording little or no effort | 3 |
| Parking brake: efficiency below requirements |3.7.D.4| | 3 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 3 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 3 |
| Registration plate lamp issues | 3 |
| Offside Rear Exhaust has a major leak of exhaust gases |6.3.2a| | 2 |
| Brake warning device not working correctly |3.3.D.3a| | 2 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 2 |
| Nearside Front front brake binding |3.8.A2a| | 2 |
| Offside Front Direction indicator not in good working order |not working| |1.5.1b| | 1 |
| Offside Rear Direction indicator not in good working order |not working| |1.5.1b| | 1 |
| Nearside Headlamp not in good working order |not working| |1.2.4a| | 1 |
| Offside Headlamp not in good working order |not working| |1.2.4a| | 1 |
| Nearside Headlamp not working on main beam |1.7.5a| | 1 |
| Centre Stop lamp adversely affected by the operation of another lamp |1.3.2f| | 1 |
| Offside Headlamp not working on main beam |1.7.5a| | 1 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 1 |
| Brake hydraulic reservoir leaking hydraulic fluid |3.6.A.1| | 1 |
| Brake operation has insufficient assistance for at least two more brake applications after the warning device has operated |3.3.D.3b| | 1 |
| Lower Emergency exit sign missing |6.2.D.3| | 1 |
| Lower Emergency exit window cannot be opened from inside the vehicle |6.2.D.1a| | 1 |
| Lower Emergency exit door cannot be opened from outside the vehicle |6.2.D.1a| | 1 |
| Windscreen washer control missing |8.2.1a| | 1 |
| Windscreen wiper does not clear the windscreen effectively | 1 |
| Parking brake lever pawl spring does not push the pawl positively into the ratchet teeth |3.1.5| | 1 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 1 |
| Exhaust tailpipe positioned so that fumes are likely to enter the passenger compartment |7.1.5| | 1 |
| Fuel hose insecure |7.2.1| | 1 |
| Offside Lower Emergency exit sign missing |6.2.D.3| | 1 |
| Fuel cap/sealing device sealing washer deteriorated |7.2.4c| | 1 |
| Rear brake binding | 1 |
| Intermediate drop arm insecure |2.2.B.1a| | 1 |
| Offside Rear position lamp|s| not in good working order |function impaired| |1.1.4a| | 1 |
| Brake operation has insufficient assistance for at least two more brake applications after the warning device has operated |3.3.C.3b| | 1 |
| Nearside Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a| | 1 |
| Offside Front Direction indicator adversely affected by the operation of another lamp |1.5.1e| | 1 |
| Nearside Rear Access panel cannot be secured in the closed position |6.4.1| | 1 |
| Offside Front Power steering pipe|s| or hose|s| leaking |2.3.1b| | 1 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.6| | 1 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.6| | 1 |
| Nearside Headlamp not working on main beam |1.2.4a| | 1 |
| Offside Headlamp not working on main beam |1.2.4a| | 1 |
| Nearside Front Headlamp not in a clean condition affecting beam image |1.2.4a| | 1 |
| Offside Rear Direction indicator adversely affected by the operation of another lamp |1.5.1e| | 1 |
| Offside Front wheel cylinder leaking |3.6.A.1| | 1 |
| Offside Front brake drum contaminated by oil |3.5.1h| | 1 |
| Trikes, quads or pre-68 vehicles, service brake efficiency below requirements |3.7.B.7| | 1 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 1 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Parking brake: efficiency below requirements |3.7.B.7| | 1 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 1 |
| Offside Front Direction indicator not working |1.4.A.2c| | 1 |
| Nearside Stop lamp not working |1.2.1b| | 1 |
| Offside Stop lamp not working |1.2.1b| | 1 |
| Speedometer cannot be illuminated. |6.7.3| | 1 |
| Offside Rear Hydraulic brake cylinder leaking |3.6.A.1| | 1 |
| Offside Front front brake binding |3.8.A2a| | 1 |
| Horn does not function |6.2.1b| | 1 |
| Brake leaking |3.6.A.1| | 1 |
| Ball joint has excessive play |2.2.B.1f| | 1 |
| Offside Front Hydraulic brake cylinder leaking |3.6.A.1| | 1 |
| Headlamp switch faulty |1.2.2| | 1 |
| Indicator tell tale missing |1.5.3| | 1 |