| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 16 |
| Brakes imbalanced across an axle | 10 |
| Windscreen wiper does not clear the windscreen effectively | 7 |
| Brake pipe excessively corroded | 5 |
| Horn not working |1.6.2a| | 5 |
| Registration plate lamp issues | 5 |
| Parking brake: efficiency below requirements |3.7.B.7| | 4 |
| Rear brake binding | 4 |
| Exhaust emissions carbon monoxide content excessive |7.3.B.1a| | 4 |
| Service brake: efficiency below requirements |3.7.C.1a| | 3 |
| Offside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Front brake application uneven | 3 |
| Nearside Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 2 |
| Stop lamp remains on when the brakes are released | 2 |
| Rear fog lamp tell tale not working |1.3.1b| | 2 |
| Hazard warning tell tale not working correctly |1.4.B.1e| | 2 |
| Emissions not tested |7.0| | 2 |
| Front Windscreen wiper not operating automatically when switched on |8.2.1b| | 2 |
| Mechanical brake component has restricted free movement | 2 |
| Offside Front Shock absorber has an excessively worn bush |2.7.4| | 2 |
| Brake load sensing valve linkage seized |3.6.E.3| | 2 |
| Nearside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Position lamp switch does not illuminate the front and rear position lamps with a single operation |1.1.A.2| | 2 |
| All position lamps adversely affected by the operation of another lamp |1.1.A.3f| | 2 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 1 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 1 |
| Centre Front Horn not working |1.6.2a| | 1 |
| Nearside Rear Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Offside Rear Upper Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Braking system leaking |3.6.A.1| | 1 |
| Front Horn not working |1.6.2a| | 1 |
| Nearside Front Steering box insecure |2.2.B.1a| | 1 |
| Nearside Rear Service brake grabbing severely |3.7.C.2| | 1 |
| Front Electrical wiring insecure |1.9.2a| | 1 |
| Brake servo leaking |3.6.C.1c| | 1 |
| Offside Seat belt insecurely fixed to the vehicles structure |5.2.1a| | 1 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Offside Rear Suspension spring mounting prescribed area is inadequately repaired |2.4.A.3| | 1 |
| Brake has no servo assistance |3.3.B.2| | 1 |
| Brake pedal creeps down while the pedal is held under pressure |3.3.B.1a| | 1 |
| Parking brake lever has no reserve travel |3.1.6b| | 1 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Offside Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Nearside Front Service brake is causing the vehicle to swerve to the nearside |3.7.C.2| | 1 |
| Offside Front Lower Shock absorber has an excessively worn bush |2.7.4| | 1 |
| Offside Rear fog lamp emits a light other than red |1.3.2e| | 1 |
| Nearside Front Shock absorber has an excessively worn bush |2.7.4| | 1 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 1 |
| Nearside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Horn not loud enough to be heard by another road user |1.6.2b| | 1 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Nearside Front Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Offside Front Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Indicator tell tale inoperative |1.4.A.2a| | 1 |
| Oil leaking excessively from engine |8.4.1 |a| |i|| | 1 |
| Exhaust emissions carbon monoxide content excessive |8.2.1.2 |b|| | 1 |
| Offside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 1 |
| Brake pedal has insufficient reserve movement |3.3.A.5| | 1 |
| Brake load sensing valve has been disconnected and was fitted as standard |3.6.E.2| | 1 |
| Nearside Vehicle structure excessively corroded within 30cm of towbar mounting |6.6.6| | 1 |
| Nearside Front Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 1 |
| Offside Front Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Nearside front brake binding |3.7.B.1| | 1 |
| Nearside Front Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Steering box has relative movement between sector shaft and the drop arm |2.2.B.1b| | 1 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Centre Front Brake hose leaking |3.6.A.1| | 1 |
| Offside Rear fog lamp not working |1.3.2b| | 1 |
| Nearside Rear Shock absorber has an excessively worn bush |2.7.4| | 1 |
| Offside Rear Shock absorber has an excessively worn bush |2.7.4| | 1 |
| Exhaust emissions hydrocarbon content excessive |7.3.B.1b| | 1 |
| Nearside Axle swivel joint has excessive play |2.5.A.3b| | 1 |
| Rear fog lamp switch faulty |1.3.1a| | 1 |
| Hydraulic brake cylinder leaking hydraulic fluid |3.6.A.1| | 1 |
| Steering arm has relative movement at its fixings |2.2.B.1h| | 1 |
| Service brake: efficiency below requirements |3.7.B.7| | 1 |
| Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Rear Stop lamp not working |1.2.1b| | 1 |
| Rear Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 1 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 1 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 1 |
| Service brake is causing the steering wheel to severely pull one way |3.7.C.2| | 1 |
| Nearside Front Service brake is causing the steering wheel to severely pull one way |3.7.C.2| | 1 |
| Offside Fuel cap/sealing device sealing washer missing |7.2.4c| | 1 |
| Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 1 |
| Fuel cap/sealing device sealing washer torn |7.2.4c| | 1 |
| Offside Front Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Brake load sensing valve linkage defective and function impaired |3.6.E.3| | 1 |
| Hazard warning lamps inoperative |1.4.B.1b| | 1 |
| Offside Rear reflector missing |1.5.1a| | 1 |
| Offside Rear fog lamp missing |1.3.2a| | 1 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 1 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Brake hose excessively deteriorated | 1 |
| Rear fog lamp emits a light other than red |1.3.2e| | 1 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 1 |
| Front Shock absorber has an excessively worn bush |2.7.4| | 1 |
| Electrical wiring inadequately supported |1.9.2a| | 1 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 1 |