| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 121 |
| Registration plate lamp issues | 89 |
| Windscreen wiper does not clear the windscreen effectively | 85 |
| Headlamp aim out of alignment | 74 |
| Service brake: efficiency below requirements |3.7.B.7| | 63 |
| Horn not working |1.6.2a| | 29 |
| Offside Rear fog lamp not working |1.3.2b| | 29 |
| Offside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 27 |
| Exhaust emissions carbon monoxide content excessive |7.3.B.1a| | 24 |
| Nearside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 23 |
| Brakes imbalanced across an axle | 21 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 20 |
| Registration plate issues | 18 |
| Parking brake: efficiency below requirements |3.7.B.7| | 17 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 17 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 16 |
| Offside Stop lamp not working |1.2.1b| | 15 |
| Nearside Headlamp not working on main beam |1.7.5a| | 15 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 15 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 15 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 13 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 13 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 12 |
| Emissions not tested |7.0| | 12 |
| Rear fog lamp not working |1.3.2b| | 12 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 12 |
| Nearside Stop lamp not working |1.2.1b| | 12 |
| Parking brake lever has no reserve travel |3.1.6b| | 12 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 11 |
| Rear parking brake recording little or no effort | 11 |
| Brake load sensing valve linkage seized |3.6.E.3| | 11 |
| Rear brake binding | 9 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 9 |
| Offside Headlamp not working on main beam |1.7.5a| | 9 |
| Exhaust emissions hydrocarbon content excessive |7.3.B.1b| | 9 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 9 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 8 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 8 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 8 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 7 |
| Steering column top bearing excessively worn |2.1.2c| | 7 |
| Front brake application uneven | 7 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 7 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 7 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 7 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 6 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 6 |
| Rear brake application uneven | 6 |
| Brake performance not tested |3.7.A.1| | 6 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 6 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 6 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 5 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 5 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 5 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 5 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 5 |
| Front brake disc in such a condition that it is seriously weakened | 5 |
| Offside Side repeater not working |1.4.A.2c| | 5 |
| Brake pipe leaking |3.6.A.1| | 5 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 5 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 5 |
| Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 5 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 5 |
| Brake pedal spongy |3.3.B.1b| | 4 |
| Rear Rear fog lamp not working |1.3.2b| | 4 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 4 |
| Offside Rear Brake pipe leaking |3.6.A.1| | 4 |
| Offside Front Side repeater not working |1.4.A.2c| | 4 |
| Offside Rear fog lamp missing |1.3.2a| | 4 |
| Offside front brake binding |3.7.B.1| | 4 |
| Rear Brake load sensing valve linkage seized |3.6.E.3| | 4 |
| Offside Front brake disc excessively pitted |3.5.1h| | 4 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 4 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 4 |
| Nearside Side repeater not working |1.4.A.2c| | 4 |
| rear brake recording little or no effort |3.7.B.5a| | 4 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 4 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 4 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 4 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 4 |
| Offside Rear fog lamp insecure |1.3.2a| | 4 |
| Nearside Headlamp excessively damaged so that the light output is severely reduced |1.7.5a| | 3 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 3 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 3 |
| Nearside Rear Stop lamp not working |1.2.1b| | 3 |
| Offside Front coil spring incomplete |2.4.C.1a| | 3 |
| Nearside Front Brake pipe leaking |3.6.A.1| | 3 |
| Nearside front brake binding |3.7.B.1| | 3 |
| Nearside Rear position lamp|s| insecure |1.1.A.3a| | 3 |
| Nearside Rear position lamp|s| incomplete |1.1.4a| | 3 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 3 |
| Braking system leaking |3.6.A.1| | 3 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 3 |
| Nearside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 3 |
| Offside Front Direction indicator not working |1.4.A.2c| | 3 |
| Brake pedal has insufficient reserve movement |3.3.A.5| | 3 |
| Offside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 3 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 3 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 3 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 3 |
| Offside Front Steering component mounting prescribed area is excessively corroded |2.2.C.1h| | 3 |
| Offside Rear Stop lamp not working |1.2.1b| | 3 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 3 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 3 |
| Fuel tank leaking |7.2.3| | 2 |
| Nearside Obligatory mirror insecure |8.1.1| | 2 |
| Offside Rear position lamp|s| insecure |1.1.A.3a| | 2 |
| Front passenger seat insecure |6.2.3| | 2 |
| Offside Front Obligatory mirror missing |8.1.1| | 2 |
| Nearside Front front brake binding |3.7.B.1| | 2 |
| Offside Obligatory mirror missing |8.1.1| | 2 |
| Offside Front Front wheel bearing rough when rotated |2.5.A.2| | 2 |
| Brake hose excessively deteriorated | 2 |
| Offside Headlamp excessively damaged so that the light output is severely reduced |1.7.5a| | 2 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 2 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 2 |
| Offside Rear Braking system leaking |3.6.A.1| | 2 |
| Brake pedal creeps down while the pedal is held under pressure |3.3.B.1a| | 2 |
| Brake master cylinder fluid level below minimum level |3.6.G.1e| | 2 |
| Exhaust has a part missing |7.1.1a| | 2 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 2 |
| Nearside Rear Shock absorber has negligible damping effect |2.7.5| | 2 |
| All position lamps not working |1.1.A.3b| | 2 |
| Rear fog lamp tell tale not working |1.3.1b| | 2 |
| Exhaust emits dense blue smoke at idle |7.3.A.2b| | 2 |
| Body insecure and dangerous to other road users |6.1.B.1b| | 2 |
| Nearside Stop lamp emits other than a steady red light |1.2.1e| | 2 |
| Offside Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Offside Outer Track rod end ball joint has excessive play |2.2.B.1f| | 2 |
| Nearside Rear Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 2 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 2 |
| Brake hydraulic reservoir fluid level below minimum level |3.6.G.1b| | 2 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 2 |
| Brake load sensing valve seized |3.6.E.3| | 2 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 2 |
| Offside Front Brake pipe inadequately supported |3.6.B.1| | 2 |
| Rear Exhaust has a part missing |7.1.1a| | 2 |
| Headlamp aim not tested |1.8.A.1c| | 2 |
| Offside Front front brake juddering severely |3.7.A.2b| | 2 |
| Nearside Front Seat belt locking mechanism does not secure or release |5.2.5a| | 2 |
| Offside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 2 |
| Position lamp switch faulty |1.1.A.1| | 2 |
| Spare wheel insecure |6.4.2| | 2 |
| Offside Rear Direction indicator incomplete |1.5.A1b| | 2 |
| Front Windscreen wiper blade deteriorated |8.2.2| | 2 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 2 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 2 |
| Rear rear brake recording little or no effort |3.7.B.5a| | 2 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 2 |
| Offside Rear position lamp|s| incorrect colour |1.1.A.3e| | 2 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 2 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 2 |
| Front passenger door cannot be opened from outside the vehicle |6.2.B.1b| | 2 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 2 |
| Windscreen wiper blade insecure | 2 |
| Offside Rear Shock absorber has negligible damping effect |2.7.5| | 2 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 2 |
| Offside Rear Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 2 |
| Nearside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 2 |
| Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 2 |
| Windscreen has damage | 2 |
| An item not tested |Manual| | 2 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 2 |
| Brake pipe inadequately supported |3.6.B.1| | 2 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 2 |
| Windscreen washer not working | 2 |
| Front Windscreen wiper not operating automatically when switched on |8.2.1b| | 2 |
| Direction indicators not working |1.4.A.2c| | 2 |
| Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Nearside Rear reflector missing |1.5.1a| | 2 |
| Nearside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 2 |
| Exhaust tailpipe not capable of allowing the emission probe to be inserted |7.3.D.1| | 2 |
| Stop lamp not working |1.2.1b| | 2 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 2 |
| Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Horn not loud enough to be heard by another road user |1.6.2b| | 2 |
| Hazard warning tell tale not working correctly |1.4.B.1e| | 2 |
| Nearside Front Side repeater not working |1.4.A.2c| | 2 |
| Nearside Front Horn not working |1.6.2a| | 2 |
| Offside Outer Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 2 |
| Offside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 2 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 2 |
| Nearside Rear Braking system leaking |3.6.A.1| | 2 |
| Rear fog lamp missing |1.3.2a| | 2 |