| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 112 |
| Service brake: efficiency below requirements |3.7.B.7| | 69 |
| Windscreen wiper does not clear the windscreen effectively | 68 |
| Registration plate lamp issues | 67 |
| Brake pipe excessively corroded | 62 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 41 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 39 |
| Brakes imbalanced across an axle | 27 |
| Registration plate issues | 27 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 24 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 24 |
| Horn not working |1.6.2a| | 24 |
| Offside Stop lamp not working |1.2.1b| | 18 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 18 |
| Offside Rear fog lamp not working |1.3.2b| | 18 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 17 |
| Emissions not tested |7.0| | 14 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 14 |
| Rear parking brake recording little or no effort | 13 |
| Nearside Stop lamp not working |1.2.1b| | 12 |
| Brake load sensing valve linkage seized |3.6.E.3| | 10 |
| Rear Exhaust has a part missing |7.1.1a| | 10 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 10 |
| Parking brake: efficiency below requirements |3.7.B.7| | 9 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 9 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 9 |
| Rear fog lamp not working |1.3.2b| | 8 |
| Offside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 7 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 7 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 7 |
| Offside Headlamp not working on main beam |1.7.5a| | 6 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 6 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 6 |
| Nearside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 6 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 6 |
| Nearside Headlamp not working on main beam |1.7.5a| | 6 |
| Rear brake application uneven | 6 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 6 |
| Centre Exhaust has part of the system excessively deteriorated |7.1.1a| | 5 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 5 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 5 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 5 |
| Windscreen has damage | 5 |
| Nearside Rear Leaf spring fractured |2.4.B.1a| | 5 |
| Rear brake binding | 5 |
| Brake hydraulic reservoir fluid level below minimum level |3.6.G.1b| | 4 |
| Offside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 4 |
| Brake pedal spongy |3.3.B.1b| | 4 |
| Front Direction indicator incorrect colour |1.4.A.2f| | 4 |
| Exhaust tailpipe not capable of allowing the emission probe to be inserted |7.3.D.1| | 4 |
| Offside Rear Stop lamp not working |1.2.1b| | 4 |
| Offside front brake binding |3.7.B.1| | 4 |
| Nearside Front Direction indicators incorrect colour |1.4.A.2f| | 4 |
| Offside Front Direction indicators incorrect colour |1.4.A.2f| | 4 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 4 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 3 |
| Parking brake lever has no reserve travel |3.1.6b| | 3 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Offside Headlamp excessively damaged so that the light output is severely reduced |1.7.5a| | 3 |
| Exhaust has a part missing |7.1.1a| | 3 |
| Offside Rear fog lamp missing |1.3.2a| | 3 |
| Offside Rear position lamp|s| incorrect colour |1.1.A.3e| | 3 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 3 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 3 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 3 |
| Windscreen wiper blade insecure | 3 |
| Horn not loud enough to be heard by another road user |1.6.2b| | 3 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 3 |
| Nearside Rear wheel cylinder leaking |3.6.A.1| | 3 |
| Nearside Rear position lamp|s| incorrect colour |1.1.A.3e| | 3 |
| Nearside Rear Braking system leaking |3.6.A.1| | 3 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 3 |
| Offside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 3 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 3 |
| Tailgate cannot be secured in the closed position |6.4.1| | 3 |
| Brake fluid warning lamp illuminated |3.6.G.2| | 2 |
| Exhaust system not adequately supported |7.1.1| | 2 |
| Nearside Front front brake binding |3.7.B.1| | 2 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Brake pedal has insufficient reserve movement |3.3.A.5| | 2 |
| Windscreen wiper blade deteriorated |8.2.2| | 2 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 2 |
| Brake load sensing valve seized |3.6.E.3| | 2 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 2 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 2 |
| Offside Rear Leaf spring fractured |2.4.B.1a| | 2 |
| Service brake efficiency below requirements |1.2.2 |a| |i|| | 2 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 2 |
| Offside Front Direction indicator not working |1.4.A.2c| | 2 |
| Nearside front brake binding |3.7.B.1| | 2 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 2 |
| Offside Front Direction indicator incorrect colour |4.4.3 |a|| | 2 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 2 |
| Nearside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 2 |
| Offside Stop lamp emits other than a steady red light |1.2.1e| | 2 |
| Offside Front Side repeater missing |1.4.A.2b| | 2 |
| Steering column top bearing excessively worn |2.1.2c| | 2 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 2 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 2 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 2 |
| Offside Rear fog lamp not visible from a reasonable distance |1.1.6b| | 2 |
| Rear Stop lamp not working |1.2.1b| | 2 |
| Rear Exhaust tailpipe not capable of allowing the emission probe to be inserted |7.3.D.1| | 2 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 2 |
| Nearside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 2 |
| Nearside Stop lamp emits other than a steady red light |1.2.1e| | 2 |
| Offside Headlamp insecure |1.7.3| | 2 |
| Offside Rear fog lamp does not face the rear |1.3.2a| | 2 |
| Brake hose excessively deteriorated | 2 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 2 |
| Rear Brake load sensing valve linkage seized |3.6.E.3| | 2 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 2 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 2 |
| Nearside Rear Stop lamp not working |1.2.1b| | 2 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 2 |
| Nearside Headlamp insecure |1.7.3| | 2 |
| Rear Rear fog lamp not working |1.3.2b| | 2 |
| Centre Rear Exhaust has a major leak of exhaust gases |7.1.2| | 2 |
| Fuel tank leaking |7.2.3| | 2 |
| Offside Front Direction indicator insecure |1.4.A.2b| | 2 |
| Offside Rear Shock absorber has an excessively worn bush |2.7.4| | 2 |