| Most common failures | No# failures |
|---|
| Exhaust emissions carbon monoxide content excessive |7.3.B.1a| | 6 |
| Parking brake: efficiency below requirements |3.7.B.7| | 6 |
| Rear brake binding | 5 |
| Registration plate lamp issues | 5 |
| Brakes imbalanced across an axle | 4 |
| Brake pipe excessively corroded | 4 |
| Rear parking brake recording little or no effort | 3 |
| Horn not working |1.6.2a| | 3 |
| Nearside Headlamp not working on main beam |1.7.5a| | 3 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 3 |
| Windscreen wiper does not clear the windscreen effectively | 2 |
| Battery insecure |1.9.1| | 2 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 2 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 2 |
| Nearside Side repeater not working |1.4.A.2c| | 2 |
| Offside Hazard warning lamps inoperative |1.4.B.1b| | 2 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 2 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 2 |
| Offside Headlamp not working on main beam |1.7.5a| | 2 |
| Trailer electrical socket |13 pin| not operating the trailer lamps as intended |1.9.4| | 2 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 2 |
| Nearside Rear Lower Shock absorber insecure nylock nut not fitted |2.7.2b| | 1 |
| Headlamp aim out of alignment | 1 |
| Offside Front Lower Torque/reaction arm locating pin locking device missing split pin missing |2.4.G.3b| | 1 |
| Brake pedal creeps down when held under pressure |3.3.B.1a| | 1 |
| Front brake application uneven | 1 |
| Nearside Front Steering rack gaiter split |2.2.D.2d| | 1 |
| Registration plate issues | 1 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Exhaust emits excessive dense blue smoke during acceleration |7.3.A.2c| | 1 |
| Parking brake lever insecure |3.1.3b| | 1 |
| Rear fog lamp tell tale not working |1.3.1b| | 1 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 1 |
| Rear fog lamp not working |1.3.2b| | 1 |
| Indicator switch faulty |1.4.A.1| | 1 |
| Steering retaining device insecure |2.2.C.1g| | 1 |
| Brake servo leaking |3.6.C.1c| | 1 |
| Offside Front Direction indicator not working |1.4.A.2c| | 1 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Nearside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Nearside Front Brake hose excessively damaged |3.6.B.4d| | 1 |
| Centre Exhaust mounting missing |7.1.1b| | 1 |
| Centre Exhaust system not adequately supported |7.1.1| | 1 |
| Nearside Rear Service brake grabbing severely |3.7.C.2| | 1 |
| Exhaust engine idle speed too high |7.3.A.2a| | 1 |
| Offside Front Brake hose twisted |found during steering lock to lock check| |2.2.D.2b| | 1 |
| All position lamps not working |1.1.A.3b| | 1 |
| Offside Front Hazard warning lamps inoperative |1.4.B.1b| | 1 |
| Offside Rear Hazard warning lamps inoperative |1.4.B.1b| | 1 |
| Exhaust emissions hydrocarbon content excessive |7.3.B.1b| | 1 |
| Nearside rear brake grabbing severely |3.7.A.5b| | 1 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 1 |
| Offside Front Brake back plate|s| securing device missing |3.5.1j| | 1 |
| Brake hose damaged | 1 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Offside Front position lamp|s| flickers when tapped lightly by hand |1.1.4c| | 1 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 1 |
| Nearside Headlamp aim not tested |1.8.A.1c| | 1 |
| Brake hose excessively deteriorated | 1 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 1 |