| Most common failures | No# failures |
|---|
| Service brake: efficiency below requirements |3.7.B.7| | 4 |
| Brakes imbalanced across an axle | 4 |
| Headlamp aim out of alignment | 3 |
| Parking brake: efficiency below requirements |3.7.B.7| | 2 |
| Hazard warning tell tale not working correctly |1.5.4c| | 1 |
| Nearside Rear Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Power steering fluid level below minimum |2.3.1| | 1 |
| Nearside Front Air suspension unit totally deflated |2.4.D.1a| | 1 |
| Offside Front Air suspension unit totally deflated |2.4.D.1a| | 1 |
| Offside Front Braking system leaking |3.6.A.1| | 1 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Offside Front front brake recording little or no effort |3.7.B.5a| | 1 |
| Fuel system component leaking (6.1.3 (b) (i)) | 1 |
| Nearside Front Track rod end ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt x2 (2.1.3 (g) (ii)) | 1 |
| Offside Front Track rod end ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt x2 (2.1.3 (g) (ii)) | 1 |
| Brake pipe excessively corroded | 1 |
| Offside Front Drag link end ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 1 |
| Nearside Rear Air suspension bellows leaking |2.4.D.2| | 1 |
| Offside Air suspension accumulator leaking |2.4.D.2| | 1 |
| Offside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Hazard warning tell tale not working correctly |1.4.B.1e| | 1 |
| Horn not working |1.6.2a| | 1 |
| Nearside Air suspension has no suspension movement |2.4.D.5| | 1 |
| Offside Rear Braking system leaking air tank |3.6.A.1| | 1 |
| Offside Rear Air/vacuum reservoir leaking air tank |3.6.A.1| | 1 |
| Offside Rear Air/vacuum reservoir excessively weakened by corrosion air tank |3.6.A.2b| | 1 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 1 |
| Rear parking brake recording little or no effort | 1 |
| Hazard warning lamps not flashing in phase, with ignition off |1.5.4b| | 1 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 1 |
| Transmission brake efficiency below requirements |3.8.A.9/10| | 1 |
| Offside Headlamp aim beam image too far to the right |1.6.4| | 1 |
| Offside Headlamp insecure |1.2.4b| | 1 |