| Most common failures | No# failures |
|---|
| Parking brake: efficiency below requirements |3.7.B.7| | 13 |
| Brake pipe excessively corroded | 12 |
| Registration plate lamp issues | 10 |
| Parking brake lever has no reserve travel |3.1.6b| | 6 |
| Offside Rear fog lamp not working |1.3.2b| | 6 |
| Headlamp aim out of alignment | 5 |
| Brake hose excessively deteriorated | 4 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 4 |
| Rear parking brake recording little or no effort | 4 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 4 |
| Brakes imbalanced across an axle | 3 |
| Offside Rear Leaf spring saddle is moving relative to the spring |2.4.B.7a| | 3 |
| Windscreen wiper does not clear the windscreen effectively | 3 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 3 |
| Service brake: efficiency below requirements |3.7.B.7| | 3 |
| Nearside Rear Lower Shock absorber has an excessively worn bush |2.7.4| | 2 |
| Nearside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 2 |
| Offside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 2 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 2 |
| Emissions not tested |7.3.A.1| | 2 |
| Offside Rear brake disc contaminated by oil |3.5.1h| | 2 |
| Offside Headlamp not working on main beam |1.7.5a| | 2 |
| Nearside Front Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 2 |
| Registration plate issues | 2 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 2 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 2 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 2 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 2 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 2 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 2 |
| Trailer electrical socket damaged so that lead cannot be securely connected |1.9.3b| | 1 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 1 |
| Offside Front brake disc excessively scored |3.5.1h| | 1 |
| Nearside Front Brake hose twisted |3.6.B.4c| | 1 |
| Offside Front Front wheel bearing rough when rotated |2.5.A.2| | 1 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 1 |
| Nearside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength undersill (5.3.6 (a) (i)) | 1 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Nearside Front Front position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Rear brake binding | 1 |
| Nearside Front Lower Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 1 |
| Offside Front Lower Anti-roll bar linkage 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 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 1 |
| Offside Front Lower Ball joint has excessive play |2.2.B.1f| | 1 |
| Nearside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Offside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Offside Rear Lower Shock absorber has an excessively worn bush |2.7.4| | 1 |
| Rear Exhaust mounting missing |7.1.1b| | 1 |
| Offside Parking brake: efficiency below requirements |3.7.B.7| | 1 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 1 |
| Fuel system component leaking |7.2.3| | 1 |
| Front brake disc in such a condition that it is seriously weakened | 1 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Horn control missing |1.6.1| | 1 |
| Horn not working |1.6.2a| | 1 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Nearside Windscreen wiper blade missing |8.2.2| | 1 |
| Fuel system component insecure |7.2.1| | 1 |
| Windscreen has damage | 1 |
| Nearside Front brake disc excessively scored |3.5.1h| | 1 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 1 |
| Brake load sensing valve seized |3.6.E.3| | 1 |
| Offside Rear Stop lamp not working |1.2.1b| | 1 |
| Front Direction indicator incorrect colour |1.4.A.2f| | 1 |
| Front Direction indicators incorrect colour |1.4.A.2f| | 1 |
| Offside Front Direction indicators incorrect colour |1.4.A.2f| | 1 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Offside Direction indicator incomplete |1.5.A1b| | 1 |
| Nearside Stop lamp not working |1.2.1b| | 1 |
| Nearside Rear Brake load sensing valve seized |3.6.E.3| | 1 |
| Nearside Front Battery insecure |1.9.1| | 1 |
| Nearside Rear Lower Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Nearside Rear Upper Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Battery insecure |1.9.1| | 1 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 1 |
| Offside Front Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Centre Exhaust system not adequately supported |7.1.1| | 1 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Front Brake cable has wires broken and is significantly weakened |3.5.1b| | 1 |
| Nearside Front position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 1 |
| Offside Outer Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Offside Inner Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Nearside Rear Leaf spring saddle is moving relative to the spring |2.4.B.7a| | 1 |
| Nearside Obligatory mirror insecure |8.1.1| | 1 |
| Nearside Direction indicator incomplete |1.5.A1b| | 1 |