| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 66 |
| Windscreen wiper does not clear the windscreen effectively | 56 |
| Brake pipe excessively corroded | 51 |
| Parking brake: efficiency below requirements |3.7.B.7| | 48 |
| Registration plate lamp issues | 46 |
| Brake hose excessively deteriorated | 45 |
| Exhaust emissions carbon monoxide content excessive |7.3.B.1a| | 24 |
| Offside Headlamp aim beam image kick up to the offside |1.8| | 23 |
| Nearside Headlamp aim beam image kick up to the offside |1.8| | 23 |
| Offside Rear fog lamp not working |1.3.2b| | 22 |
| Rear parking brake recording little or no effort | 21 |
| Horn not working |1.6.2a| | 19 |
| Brakes imbalanced across an axle | 19 |
| Offside Steering rack gaiter split |2.2.D.2d| | 19 |
| Rear fog lamp not working |1.3.2b| | 16 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 15 |
| Nearside Stop lamp not working |1.2.1b| | 15 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 15 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 13 |
| Rear fog lamp tell tale not working |1.3.1b| | 12 |
| Offside Stop lamp not working |1.2.1b| | 12 |
| Registration plate issues | 11 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 11 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 11 |
| Offside Headlamp not working on main beam |1.7.5a| | 11 |
| Windscreen washer not working | 10 |
| Offside front brake binding |3.7.B.1| | 9 |
| Service brake: efficiency below requirements |3.7.B.7| | 8 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 8 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 8 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 8 |
| Exhaust emissions hydrocarbon content excessive |7.3.B.1b| | 8 |
| Nearside Headlamp not working on main beam |1.7.5a| | 7 |
| Windscreen wiper blade insecure | 7 |
| Rear brake application uneven | 7 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 7 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 7 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 7 |
| Nearside Front Upper Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 7 |
| Offside Front Upper Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 7 |
| Rear brake binding | 7 |
| Hazard warning switch faulty |1.4.B.1d| | 7 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 6 |
| Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 6 |
| Horn not working (7.7 (a) (ii)) | 6 |
| Nearside Front Brake hose bulging under pressure |3.6.B.3| | 6 |
| Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 6 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 6 |
| Exhaust emissions carbon monoxide content excessive (8.2.1.2 (b)) | 6 |
| Nearside Front Steering rack gaiter split |2.2.D.2d| | 5 |
| Offside Front Steering rack gaiter split |2.2.D.2d| | 5 |
| Offside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 5 |
| Offside Rear wheel bearing has excessive play |2.6.2| | 5 |
| Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 5 |
| Horn not working |7.7 |a| |ii|| | 5 |
| Offside Front Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 5 |
| Fuel pipe leaking |7.2.3| | 5 |
| Parking brake lever has no reserve travel |3.1.6b| | 5 |
| Mechanical brake component has restricted free movement | 5 |
| Brake hose has insufficient room to move | 5 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 4 |
| Nearside Front front brake binding |3.7.B.1| | 4 |
| Offside Front Front wheel bearing rough when rotated |2.5.A.2| | 4 |
| Front brake application uneven | 4 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 4 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 4 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 4 |
| Nearside front brake binding |3.7.B.1| | 4 |
| Offside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 4 |
| Nearside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 4 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 4 |
| Nearside Front Upper Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 4 |
| Offside Front front brake binding |3.7.B.1| | 4 |
| Offside Rear Rear position lamp|s| not working |1.1.A.3b| | 4 |
| Offside Upper Front suspension ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 4 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 4 |
| Nearside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 4 |
| Nearside Front Lower Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 4 |
| Nearside Front Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 4 |
| Offside Front Anti-roll bar linkage fractured |2.4.G.1| | 4 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 4 |
| Nearside Front Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 4 |
| Offside Steering rack gaiter missing or no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 4 |
| Nearside Front Front wheel bearing rough when rotated |2.5.A.2| | 4 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 4 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 3 |
| Offside Headlamp not working on main beam (4.1.1 (a) (ii)) | 3 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 3 |
| Nearside Steering rack gaiter missing or no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 3 |
| Fuel system component insecure |7.2.1| | 3 |
| Nearside Windscreen wiper not operating automatically when switched on |8.2.1b| | 3 |
| Front brake disc in such a condition that it is seriously weakened | 3 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 3 |
| Emissions not tested |7.0| | 3 |
| Offside Front An item not tested |Manual| | 3 |
| Hazard warning lamps inoperative |1.4.B.1b| | 3 |
| Nearside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Nearside Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 3 |
| Nearside Headlamp not working on main beam (4.1.1 (a) (ii)) | 3 |
| Nearside Rear coil spring incomplete |2.4.C.1a| | 3 |
| Offside Rear fog lamp missing |1.3.2a| | 3 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 3 |
| Stop lamp|s| all not working |4.3.1 |a| |iii|| | 3 |
| Offside Front Upper Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 3 |
| Rear Mechanical brake component has restricted free movement | 3 |
| Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 3 |
| Offside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 3 |
| Nearside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 3 |
| Offside Front Body has a sharp edge caused by damage |6.1.C.1| | 3 |
| Offside Rear Body has a sharp edge caused by damage |6.1.C.1| | 3 |
| Nearside Front Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Stop lamp(s) all not working (4.3.1 (a) (iii)) | 3 |
| Offside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Hazard warning tell tale not working correctly |1.4.B.1e| | 3 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 3 |
| Rear fog lamp switch missing |1.3.1a| | 3 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 3 |
| Nearside Front Anti-roll bar linkage fractured |2.4.G.1| | 3 |
| Fuel system component leaking |7.2.3| | 3 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 3 |
| Offside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 3 |
| Horn not loud enough to be heard by another road user |1.6.2b| | 3 |
| Nearside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 3 |
| Offside Rear Exhaust has a major leak of exhaust gases |7.1.2| | 2 |
| Horn sound not in accordance with requirements (7.7 (c)) | 2 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 2 |
| Rear Stop lamp not working |1.2.1b| | 2 |
| Nearside Front coil spring fractured |2.4.C.1a| | 2 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 2 |
| Offside Windscreen wiper not operating automatically when switched on |8.2.1b| | 2 |
| Offside Outer Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Nearside Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Offside Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Nearside Front Headlamp aim beam image kick up to the offside |1.8| | 2 |
| Offside Rear Rear wheel bearing has excessive play |2.6.2| | 2 |
| Nearside Front Body has a sharp edge caused by corrosion |6.1.C.1| | 2 |
| Stop lamp not working |1.2.1b| | 2 |
| Offside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 2 |
| Nearside Front Fuel pipe leaking |7.2.3| | 2 |
| Offside Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 2 |
| Offside Steering rack gaiter missing or no longer prevents the ingress of dirt |2.1.3 |g| |ii|| | 2 |
| Offside Rear fog lamp not working |4.5.1 |a| |ii|| | 2 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 2 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 2 |
| Nearside Rear Rear wheel bearing has excessive play |2.6.2| | 2 |
| Windscreen wiper not working (3.4 (a)) | 2 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 2 |
| Steering wheel retaining device insecure |2.1.6| | 2 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 2 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 2 |
| Hazard warning switch inoperative |4.4.2 |a| |ii|| | 2 |
| Nearside Front Seat belt anchorage prescribed area strength or continuity significantly reduced (7.1.1 (a) (i)) | 2 |
| Nearside Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 2 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 2 |
| Offside Rear Service brake excessively binding |1.2.1 |f|| | 2 |
| Nearside Front Service brake excessively binding |1.2.1 |f|| | 2 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 2 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 2 |
| Offside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Nearside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength outer sill |5.3.6 |a| |i|| | 2 |
| Rear Fuel hose leaking |7.2.3| | 2 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 2 |
| Nearside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 2 |
| Offside Front Seat belt locking mechanism does not secure or release |5.2.5a| | 2 |
| Offside Front Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 2 |
| Nearside Front Lower Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 2 |
| Nearside Rear Suspension component mounting prescribed area is inadequately repaired |2.4.A.3| | 2 |
| Rear brake excessively fluctuating | 2 |
| Offside Front Seat belt anchorage prescribed area strength or continuity significantly reduced wheel arch x2 |7.1.1 |a| |i|| | 2 |
| Nearside Rear Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 2 |
| Rear Service brake excessively fluctuating both |1.2.1 |e|| | 2 |
| Driver`s door cannot be opened from outside the vehicle side door |6.2.3 |a|| | 2 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 2 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 2 |
| Offside Front Direction indicator not working |1.4.A.2c| | 2 |
| Nearside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength (5.3.6 (a) (i)) | 2 |
| Offside Obligatory mirror insecure |8.1.1| | 2 |
| Rear Rear fog lamp tell tale not working |1.3.1b| | 2 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 2 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 2 |
| Battery insecure |1.9.1| | 2 |
| Offside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength (5.3.6 (a) (i)) | 2 |
| Offside Body has a sharp edge caused by corrosion |6.1.C.1| | 2 |
| Headlamp not working on dipped beam |1.7.5a| | 2 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 2 |
| Nearside Upper Front suspension ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 2 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 2 |
| Nearside Rear Stop lamp not working |1.2.1b| | 2 |
| Fuel hose leaking (6.1.3 (b) (i)) | 2 |
| Headlamp switch faulty |1.7.1| | 2 |
| Emissions not tested |7.3.A.1| | 2 |
| Windscreen has a sticker or other obstruction encroaching by more than 10mm within zone `A` |8.3.1b| | 2 |
| Nearside Front An item not tested |Manual| | 2 |
| Offside Front Brake hose bulging under pressure |3.6.B.3| | 2 |
| Hazard warning switch insecure |1.4.B.1d| | 2 |
| Offside Rear Vehicle structure excessively corroded within 30cm of towbar mounting |6.6.6| | 2 |
| Nearside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 2 |
| Offside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 2 |
| Offside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 2 |
| Offside Rear Lower Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Brake pedal spongy |3.3.B.1b| | 2 |