| Most common failures | No# failures |
|---|
| Brakes imbalanced across an axle | 96 |
| Windscreen wiper does not clear the windscreen effectively | 85 |
| Parking brake: efficiency below requirements |3.7.B.7| | 81 |
| Headlamp aim out of alignment | 79 |
| Rear parking brake recording little or no effort | 68 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 50 |
| Brake pipe excessively corroded | 49 |
| Registration plate lamp issues | 48 |
| Rear brake binding | 43 |
| Offside Rear fog lamp not working |1.3.2b| | 30 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 29 |
| Offside Stop lamp not working |1.2.1b| | 25 |
| Service brake: efficiency below requirements |3.7.B.7| | 25 |
| Exhaust emissions carbon monoxide content excessive |7.3.B.1a| | 24 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 23 |
| Nearside Stop lamp not working |1.2.1b| | 22 |
| Registration plate issues | 19 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 19 |
| Offside Front Steering component mounting prescribed area is excessively corroded |2.2.C.1h| | 18 |
| Brake hose excessively deteriorated | 18 |
| Nearside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 16 |
| Emissions not tested |7.0| | 15 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 15 |
| Front brake application uneven | 14 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 13 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 13 |
| Offside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 12 |
| Rear brake application uneven | 12 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 12 |
| Nearside Front Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 11 |
| Offside Front Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 11 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 11 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 11 |
| Rear fog lamp not working |1.3.2b| | 11 |
| Parking brake lever has no reserve travel |3.1.6b| | 11 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 11 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 11 |
| Battery insecure |1.9.1| | 10 |
| Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 10 |
| Horn not working |1.6.2a| | 10 |
| Brake pedal spongy |3.3.B.1b| | 10 |
| Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 9 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 9 |
| Rear Stop lamp not working |1.2.1b| | 8 |
| Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 8 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 8 |
| Stop lamp not working |1.2.1b| | 7 |
| Nearside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 7 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 7 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 7 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 7 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 7 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 7 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 7 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 7 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 7 |
| Offside Front Upper Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 6 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 6 |
| Offside Rear Rear wheel bearing has excessive play |2.6.2| | 6 |
| Nearside Seat belt locking mechanism does not secure or release |5.2.5a| | 6 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 6 |
| Offside Front Brake master cylinder/servo mounting prescribed area is excessively corroded |3.6.C.3| | 6 |
| Offside front brake recording little or no effort |3.7.B.5a| | 6 |
| Brake pedal has insufficient reserve movement |3.3.A.5| | 6 |
| Nearside Front Upper Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 5 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 5 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 5 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 5 |
| Offside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 5 |
| Nearside Rear Stop lamp not working |1.2.1b| | 5 |
| Offside Rear Stop lamp not working |1.2.1b| | 5 |
| Rear Mechanical brake component has restricted free movement | 5 |
| Offside Rear Direction indicator adversely affected by the operation of another lamp |1.4.A.2h| | 5 |
| Offside Front Upper Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 5 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 5 |
| Offside Steering component mounting prescribed area is excessively corroded |2.2.C.1h| | 5 |
| Rear Rear fog lamp not working |1.3.2b| | 5 |
| Nearside Front Upper Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 5 |
| Nearside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 5 |
| Offside Headlamp not working on main beam |1.7.5a| | 5 |
| Offside Rear wheel bearing has excessive play |2.6.2| | 5 |
| Offside front brake binding |3.7.B.1| | 5 |
| Nearside Rear Drive shaft which forms part of the suspension coupling gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.4.G.4e| | 4 |
| Offside Rear Drive shaft which forms part of the suspension coupling gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.4.G.4e| | 4 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 4 |
| Exhaust noise is clearly in excess of that emitted by a similar vehicle fitted with a standard silencer in average condition |7.1.4| | 4 |
| Exhaust emits excessive dense blue smoke during acceleration |7.3.A.2c| | 4 |
| Offside Rear Body has a sharp edge caused by corrosion |6.1.C.1| | 4 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 4 |
| Offside Rear Drive shaft which forms part of the suspension coupling gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.4.G.4e| | 4 |
| Nearside Rear Rear wheel bearing has excessive play |2.6.2| | 4 |
| Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 4 |
| Nearside Rear Rear wheel bearing rough when rotated |2.6.1| | 4 |
| Offside Front Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 4 |
| Rear fog lamp tell tale not working |1.3.1b| | 4 |
| Offside Rear Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 4 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 4 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 4 |
| Nearside Headlamp not working on main beam |1.7.5a| | 4 |
| Nearside Front Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 4 |
| Nearside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 4 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 4 |
| Nearside Front Lower Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 3 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 3 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 3 |
| Offside Front Body has a sharp edge caused by corrosion |6.1.C.1| | 3 |
| Offside Rear Front constant velocity joint gaiter split |2.5.C.1a| | 3 |
| Nearside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 3 |
| Brake pipe leaking |3.6.A.1| | 3 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 3 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 3 |
| Offside Rear Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 3 |
| Brake performance not tested |3.7.A.1| | 3 |
| Windscreen washer not working | 3 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 3 |
| Nearside Rear Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 3 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 3 |
| Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 3 |
| Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 3 |
| Exhaust engine idle speed too high |7.3.A.2a| | 3 |
| Nearside Front Front wheel bearing rough when rotated |2.5.A.2| | 3 |
| Offside Front Seat belt locking mechanism does not secure or release |5.2.5a| | 3 |
| Offside Rear Rear wheel bearing rough when rotated |2.6.1| | 3 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 3 |
| Windscreen wiper blade insecure | 3 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 3 |
| Offside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 3 |
| Nearside Rear Drive shaft which forms part of the suspension coupling gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.4.G.4e| | 3 |
| Offside Rear fog lamp missing |1.3.2a| | 3 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 3 |
| Front Steering component mounting prescribed area is excessively corroded |2.2.C.1h| | 3 |
| Nearside Rear Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 3 |
| Exhaust emissions hydrocarbon content excessive |7.3.B.1b| | 3 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 3 |
| Brake master cylinder/servo mounting prescribed area is excessively corroded |3.6.C.3| | 3 |
| Offside Rear An item not tested |Manual| | 3 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 3 |
| Offside Rear fog lamp insecure |1.3.2a| | 3 |
| Nearside Front front brake recording little or no effort |3.7.B.5a| | 3 |
| Exhaust tailpipe not capable of allowing the emission probe to be inserted |7.3.B.1| | 3 |
| Offside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 3 |
| Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 3 |
| Nearside Headlamp insecure |1.7.3| | 3 |
| Brake master cylinder fluid level below minimum level |3.6.G.1e| | 3 |
| Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 3 |
| Nearside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 3 |
| Brake actuating linkage mounting prescribed area is excessively corroded |3.3.A.2| | 3 |
| Brake hydraulic reservoir fluid level below minimum level |3.6.G.1b| | 3 |
| Hazard warning switch faulty |1.4.B.1d| | 2 |
| Offside Headlamp excessively damaged so that the light output is severely reduced |1.7.5a| | 2 |
| Nearside Rear Body has a sharp edge caused by corrosion |6.1.C.1| | 2 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 2 |
| Nearside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Body has a sharp edge caused by corrosion |6.1.C.1| | 2 |
| Brake pedal creeps down when held under pressure |3.3.B.1a| | 2 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 2 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 2 |
| Exhaust system not adequately supported |7.1.1| | 2 |
| Nearside Front Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 2 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 2 |
| Offside Brake cable has wires broken and is significantly weakened |3.5.1b| | 2 |
| Rear fog lamp missing |1.3.2a| | 2 |
| Nearside Rear Shock absorber has an excessively worn bush |2.7.4| | 2 |
| Offside Rear Shock absorber has an excessively worn bush |2.7.4| | 2 |
| Nearside Parking brake is not capable of being maintained in operation by direct mechanical action only |3.1.2| | 2 |
| Offside Inner Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 2 |
| Offside Rear fog lamp does not face the rear |1.3.2a| | 2 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Front passenger door cannot be opened from inside the vehicle |6.2.B.1b| | 2 |
| Front passenger door cannot be opened from outside the vehicle |6.2.B.1b| | 2 |
| Offside Seat belt locking mechanism does not secure or release |5.2.5a| | 2 |
| Direction indicators not working |1.4.A.2c| | 2 |
| Stop lamp(s) all not working (4.3.1 (a) (iii)) | 2 |
| Offside Rear Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 2 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 2 |
| Nearside Rear Direction indicator adversely affected by the operation of another lamp |1.4.A.2h| | 2 |
| Brake cable has wires broken and is significantly weakened |3.5.1b| | 2 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 2 |
| Nearside Front wheel cylinder leaking |3.6.A.1| | 2 |
| Nearside Headlamp not in good working order |not working| |1.2.4a| | 2 |
| Offside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Rear Exhaust system not adequately supported |7.1.1| | 2 |
| Offside Front front brake binding |3.7.B.1| | 2 |
| Nearside front brake binding |3.7.B.1| | 2 |
| Nearside Rear Leaf spring has a deteriorated shackle pin rubber bush resulting in excessive movement |2.4.B.2| | 2 |
| Offside Rear Leaf spring has a deteriorated shackle pin rubber bush resulting in excessive movement |2.4.B.2| | 2 |
| Nearside Rear Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 2 |
| Offside Front Lower Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Nearside Inner Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Steering component mounting prescribed area is excessively corroded |2.2.C.1h| | 2 |
| Offside Front front brake recording little or no effort |3.7.B.5a| | 2 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 2 |
| Offside Rear Drive shaft which forms part of the suspension damaged |2.4.G.4a| | 2 |
| Offside Inner Front Steering component mounting prescribed area is excessively corroded |2.2.C.1h| | 2 |
| Nearside Rear Rear fog lamp not working |1.3.2b| | 2 |
| Offside Front Lower Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 2 |
| Nearside Rear Direction indicators not working |1.4.A.2c| | 2 |
| Front Body insecure and dangerous to other road users |6.1.B.1b| | 2 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 2 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 2 |
| Exhaust emissions carbon monoxide content excessive (8.2.1.2 (b)) | 2 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 2 |
| Offside Inner Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 2 |
| Nearside Rear Brake pipe fouled by moving parts |3.6.B.2a| | 2 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 2 |
| Offside Rear Brake pivot has restricted free movement |3.5.1k| | 2 |
| Front Windscreen wiper not operating automatically when switched on |8.2.1b| | 2 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 2 |
| Nearside front brake recording little or no effort |3.7.B.5a| | 2 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 2 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 2 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 2 |
| Nearside Inner Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Offside Inner Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Rear Exhaust has a major leak of exhaust gases box |7.1.2| | 2 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 2 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 2 |
| Offside Rear Leaf spring has excessive wear in a shackle pin and/or bush |2.4.B.2| | 2 |
| Nearside Front Direction indicators not working |1.4.A.2c| | 2 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 2 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 2 |
| Nearside Front Suspension component mounting prescribed area is inadequately repaired |2.4.A.3| | 2 |