| Most common failures | No# failures |
|---|
| Parking brake: efficiency below requirements |3.7.B.7| | 36 |
| Headlamp aim out of alignment | 36 |
| Exhaust emissions carbon monoxide content excessive |7.3.B.1a| | 18 |
| Windscreen wiper does not clear the windscreen effectively | 11 |
| Offside Rear fog lamp not working |1.3.2b| | 11 |
| Exhaust emissions hydrocarbon content excessive |7.3.B.1b| | 11 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 11 |
| Horn not working |1.6.2a| | 10 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 10 |
| Rear parking brake recording little or no effort | 9 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 9 |
| Brakes imbalanced across an axle | 8 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 8 |
| Registration plate lamp issues | 8 |
| Rear brake binding | 7 |
| Service brake: efficiency below requirements |3.7.B.7| | 6 |
| Emissions not tested |7.0| | 4 |
| Nearside Side repeater not working |1.4.A.2c| | 4 |
| Brake hose excessively deteriorated | 4 |
| Nearside front brake binding |3.7.B.1| | 4 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 4 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 4 |
| Registration plate issues | 4 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 4 |
| Nearside Stop lamp not working |1.2.1b| | 4 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 4 |
| Rear Rear fog lamp not working |1.3.2b| | 4 |
| Brake pipe excessively corroded | 4 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 3 |
| Battery insecure |1.9.1| | 3 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 3 |
| Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 3 |
| Nearside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 3 |
| Offside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 3 |
| Offside Side repeater not working |1.4.A.2c| | 3 |
| Nearside Headlamp not working on main beam |1.7.5a| | 3 |
| Steering column top mounting bracket insecure |2.1.2d| | 3 |
| Offside Stop lamp not working |1.2.1b| | 3 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 3 |
| Stop lamp not working |1.2.1b| | 2 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 2 |
| Offside front brake binding |3.7.B.1| | 2 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 2 |
| Nearside Front front brake binding |3.7.B.1| | 2 |
| Offside Front front brake binding |3.7.B.1| | 2 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Rear fog lamp tell tale not working |1.3.1b| | 2 |
| Nearside Front Steering rack gaiter insecure |2.2.D.2d| | 2 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 2 |
| Steering wheel retaining device insecure |2.1.6| | 2 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 2 |
| Offside Headlamp not working on main beam |1.7.5a| | 2 |
| Nearside Side repeater incomplete |1.5.A1b| | 2 |
| Nearside Front Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 2 |
| Nearside Rear brake caliper leaking |3.6.A.1| | 2 |
| Nearside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Exhaust tailpipe not capable of allowing the emission probe to be inserted |7.3.B.1| | 2 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 2 |
| Front brake application uneven | 2 |
| Direction indicators flashing less than 60 times a minute |1.4.A.2g| | 2 |
| Mechanical brake component has restricted free movement | 2 |
| Rear Mechanical brake component has restricted free movement | 2 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 2 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 2 |
| Offside Front Front wheel bearing rough when rotated |2.5.A.2| | 2 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 2 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 2 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded outer sill/closing panel |2.4.A.3| | 1 |
| Offside Rear Brake back plate|s| securing device excessively deteriorated back plate excessively corroded and breaking up |3.5.1j| | 1 |
| Front Access panel cannot be secured in the closed position |6.4.1| | 1 |
| Windscreen has a sticker or other obstruction encroaching by more than 10mm within zone `A` |8.3.1b| | 1 |
| Offside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 1 |
| Nearside Side repeater insecure |1.4.A.2b| | 1 |
| Rear brake disc excessively pitted |3.5.1h| | 1 |
| Offside Seat belt anchorage prescribed area is inadequately repaired |5.2.6| | 1 |
| Nearside Front Vehicle structure has an inadequate repair which adversely affects braking or steering |6.1.A.1| | 1 |
| Front brake disc excessively pitted |3.5.1h| | 1 |
| Nearside Front Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 1 |
| Offside Front Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 1 |
| Nearside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 1 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 1 |
| Offside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 1 |
| Nearside Rear Brake pipe leaking |3.6.A.1| | 1 |
| Front Bootlid cannot be secured in the closed position |6.4.1| | 1 |
| Body insecure and dangerous to other road users |6.1.B.1b| | 1 |
| Offside Front Side repeater not working |1.4.A.2c| | 1 |
| Nearside Rear Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 1 |
| Offside Rear Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 1 |
| Windscreen wiper not operating automatically when switched on |8.2.1b| | 1 |
| Nearside Electrical wiring insecure under dashboard |1.9.2a| | 1 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Emissions not tested |7.3.A.1| | 1 |
| Fuel cap/sealing device sealing washer missing |7.2.4c| | 1 |
| Nearside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Nearside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength Inner wheel arch (multiple holes (5.3.6 (a) (i)) | 1 |
| Suspension component mounting prescribed area excessively corroded significantly reducing structural strength Nearside engine bay (5.3.6 (a) (i)) | 1 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 1 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 1 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 1 |
| Offside Headlamp not working on dipped beam Headlight unit lift motor inoperative (4.1.1 (a) (ii)) | 1 |
| Offside Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Nearside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength arch/inner wing areas (5.3.6 (a) (i)) | 1 |
| Fuel cap/sealing device missing rubber seal missing (6.1.3 (b) (i)) | 1 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Brake pedal has insufficient reserve movement |3.3.A.5| | 1 |
| Nearside Direction indicators not working |1.4.A.2c| | 1 |
| Nearside Front position lamp|s| excessively damaged so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Steering column movement between the shaft and steering wheel |2.1.2b| | 1 |
| Nearside Headlamp not in a clean condition affecting beam image |1.2.4a| | 1 |
| Offside Headlamp not in a clean condition affecting beam image |1.2.4a| | 1 |
| Offside Front Direction indicator not working |1.4.A.2c| | 1 |
| Bootlid cannot be secured in the closed position |6.4.1| | 1 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 1 |
| Service brake efficiency below requirements |1.2.2 |a| |i|| | 1 |
| Offside Rear Body has a sharp edge caused by corrosion |6.1.C.1| | 1 |
| Offside Outer Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Offside Inner Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Front Body has a sharp edge caused by corrosion |6.1.C.1| | 1 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 1 |
| Offside Direction indicator incorrect colour |1.4.A.2f| | 1 |
| Brake pedal anti-slip provision incomplete |3.3.A.1b| | 1 |
| Nearside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Offside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Offside Front Body has a sharp edge caused by corrosion |6.1.C.1| | 1 |
| Offside Body has a sharp edge caused by corrosion |6.1.C.1| | 1 |
| Nearside Headlamp excessively damaged so that the light output is severely reduced |1.7.5a| | 1 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 1 |
| Nearside Lower Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Nearside Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 1 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 1 |
| Rear Exhaust noise is clearly in excess of that emitted by a similar vehicle fitted with a standard silencer in average condition |7.1.4| | 1 |
| Nearside Front Lower Front suspension ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 1 |
| Nearside Front Steering system has a road wheel fouling a part of the vehicle |2.2.D.2a| | 1 |
| Nearside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Nearside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Nearside Rear Body panel damaged and likely to cause injury wing corroded + holed (6.2.1 (a) (i)) | 1 |
| Offside Rear Body panel corroded and likely to cause injury wing corroded + holed (6.2.1 (a) (i)) | 1 |
| Offside Front Body panel corroded and likely to cause injury wing corroded + holed (6.2.1 (a) (i)) | 1 |
| Rear Bumper insecure plate corroded + holed (6.1.4 (a) (i)) | 1 |
| Offside Rear Braking system leaking |3.6.A.1| | 1 |
| Parking brake lever has no reserve travel |3.1.6b| | 1 |
| Offside Headlamp aim not tested |1.8.A.1c| | 1 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Rear Seat belt anchorage prescribed area is fractured |5.2.6| | 1 |
| Offside Front Steering rack gaiter split |2.2.D.2d| | 1 |
| Nearside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength shock absorber area inside engine bay |5.3.6 |a| |i|| | 1 |
| Exhaust emissions carbon monoxide content excessive |8.2.1.2 |b|| | 1 |
| Rear fog lamp adversely affected by the operation of another lamp Not working with high beam |4.5.4 |b|| | 1 |
| Offside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Windscreen wiper blade insecure | 1 |
| Position lamp switch does not illuminate the front and rear position lamps with a single operation |1.1.A.2| | 1 |
| Offside Front Direction indicators not working |1.4.A.2c| | 1 |
| Rear fog lamp missing (4.5.1 (a) (ii)) | 1 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 1 |
| Brake pedal has no servo assistance |3.3.B.2| | 1 |
| Bonnet cannot be secured in the closed position |8.4.1| | 1 |
| Offside Direction indicators not in good working order |function impaired| |1.5.A1b| | 1 |
| Offside Front Direction indicator adversely affected by the operation of another lamp |1.4.A.2h| | 1 |
| Offside Rear Direction indicator adversely affected by the operation of another lamp |1.4.A.2h| | 1 |
| Front Bonnet cannot be secured in the closed position |8.4.1| | 1 |
| Rear Bonnet cannot be secured in the closed position |8.4.1| | 1 |
| Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Offside Headlamp insecure |1.7.3| | 1 |
| Offside Steering rack gaiter split |2.2.D.2d| | 1 |
| Offside Front Suspension component mounting prescribed area is inadequately repaired |2.4.A.3| | 1 |
| Rear Stop lamp not working |1.2.1b| | 1 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 1 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 1 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 1 |
| Centre Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 1 |
| Rear Fuel system component leaking |7.2.3| | 1 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Brake pedal has insufficient reserve travel |1.1.2 |a|| | 1 |
| Nearside Rear Inner Suspension component mounting prescribed area excessively corroded significantly reducing structural strength |5.3.6 |a| |i|| | 1 |
| Offside Rear Inner Suspension component mounting prescribed area excessively corroded significantly reducing structural strength |5.3.6 |a| |i|| | 1 |
| Offside Rear Service brake excessively binding |1.2.1 |f|| | 1 |
| Service brake efficiency less than 50% of the required value |1.2.2 |a| |ii|| | 1 |
| Offside Front Suspension component mounting prescribed area is excessively corroded floor/chassis |2.4.A.3| | 1 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded suspension strut mounting |2.4.A.3| | 1 |
| Nearside Front Brake pipe leaking |3.6.A.1| | 1 |
| Rear Rear fog lamp tell tale not working |1.3.1b| | 1 |
| Nearside Inner Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Nearside Inner Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Offside Inner Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 1 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 1 |
| Offside Front Steering rack gaiter insecure |2.2.D.2d| | 1 |
| Nearside Front Side repeater not working |1.4.A.2c| | 1 |
| Rear brake caliper leaking |3.6.A.1| | 1 |
| Offside Front Suspension component mounting prescribed area is excessively corroded front of floorpan |2.4.A.3| | 1 |
| Offside Seat belt anchorage prescribed area is excessively corroded floor pan |5.2.6| | 1 |
| Rear fog lamp tell-tale not working (4.9.1 (a) (ii)) | 1 |
| Exhaust emissions - engine idle speed too high (8.2.1.2 (e)) | 1 |
| Nearside Rear Drive shaft which forms part of the suspension distorted |2.4.G.4a| | 1 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 1 |
| Nearside Rear Brake back plate|s| securing device loose Brake backing plates deteriorated and rubbing on the discs |3.5.1j| | 1 |
| Offside Rear Brake back plate|s| securing device missing |3.5.1j| | 1 |
| Exhaust emissions hydrocarbon content excessive (8.2.1.2 (b)) | 1 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 1 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 1 |
| Offside Rear Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Brake pedal spongy |3.3.B.1b| | 1 |
| Brake performance not tested |3.7.A.1| | 1 |
| Brake pedal creeps down when held under pressure |3.3.B.1a| | 1 |
| Direction indicators not working |1.4.A.2c| | 1 |
| Hazard warning tell tale not working correctly |1.4.B.1e| | 1 |
| Nearside Rear Suspension component mounting prescribed area is inadequately repaired |2.4.A.3| | 1 |
| Front brake disc in such a condition that it is seriously weakened | 1 |
| Nearside Front Steering arm has relative movement at its fixings |2.2.B.1h| | 1 |
| Rear Rear position lamp|s| excessively damaged so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Service brake: efficiency below requirements |3.7.D.4| | 1 |
| Parking brake: efficiency below requirements |3.7.D.4| | 1 |
| Rear fog lamp does not emit a steady red light (4.5.4 (a)) | 1 |
| Emissions not tested (8.2.1.2 (d)) | 1 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 1 |
| Exhaust emissions carbon monoxide content excessive (8.2.1.2 (b)) | 1 |
| Front Bonnet cannot be secured in the closed position (3.1 (b) (i)) | 1 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 1 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 1 |
| Nearside Front Suspension component mounting prescribed area excessively corroded significantly reducing structural strength inner wheel arch (5.3.6 (a) (i)) | 1 |
| Nearside Rear Suspension component ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 1 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 1 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Nearside Rear Service brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Offside Rear Service brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |
| Nearside Rear Brake pipe leaking on a hydraulic braking system (1.1.11 (b) (ii)) | 1 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 1 |
| Speedometer cannot be illuminated (7.8 (c) (ii)) | 1 |