| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 11 |
| Windscreen wiper does not clear the windscreen effectively | 9 |
| Exhaust emissions carbon monoxide content excessive |7.3.B.1a| | 9 |
| Brake hose excessively deteriorated | 7 |
| Registration plate lamp issues | 5 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 4 |
| Brakes imbalanced across an axle | 4 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Horn not working |1.6.2a| | 3 |
| Offside Rear fog lamp not working |1.3.2b| | 3 |
| Registration plate issues | 3 |
| Brake pipe excessively corroded | 3 |
| Horn not loud enough to be heard by another road user |1.6.2b| | 3 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 2 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 2 |
| Rear Stop lamp not working |1.2.1b| | 2 |
| Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 2 |
| Rear fog lamp tell tale not working |1.3.1b| | 2 |
| Brake hose has insufficient room to move | 2 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 2 |
| Parking brake: efficiency below requirements |3.7.B.7| | 2 |
| Offside Front front brake binding |3.7.B.1| | 2 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Windscreen wiper blade insecure | 2 |
| Offside Rear Lower Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Front Lower Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Front Driver`s seat insecure |6.2.A.1| | 1 |
| Nearside Front Passenger`s seat insecure |6.2.A.1| | 1 |
| Offside Rear Valve stem seriously damaged |4.1.D.1e| | 1 |
| Nearside Stop lamp not working |1.2.1b| | 1 |
| Offside Stop lamp not working |1.2.1b| | 1 |
| Nearside Rear Brake pipe leaking |3.6.A.1| | 1 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 1 |
| Nearside Front Brake hose bulging under pressure |3.6.B.3| | 1 |
| Nearside Front Lower Anti-roll bar attachment bracket/mounting fractured |2.4.G.1| | 1 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Nearside Headlamp aim beam image kick up to the offside |1.8| | 1 |
| Offside Headlamp aim beam image kick up to the offside |1.8| | 1 |
| Offside Outer Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 1 |
| Nearside Outer Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 1 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 1 |
| Nearside Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Nearside Front Lower Suspension component ball joint excessively worn |5.3.4 |a| |i|| | 1 |
| Nearside Rear Coil spring mounting corroded and seriously weakened |5.3.1 |b| |i|| | 1 |
| Offside Rear Coil spring mounting corroded and seriously weakened |5.3.1 |b| |i|| | 1 |
| Front Headlamp not in good working order |not working| |1.2.4a| | 1 |
| Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 1 |
| Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 1 |
| Rear Exhaust has a part missing |7.1.1a| | 1 |
| Exhaust tailpipe not capable of allowing the emission probe to be inserted |7.3.B.1| | 1 |
| Nearside Front Upper Ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Offside Front Outer Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 1 |
| Nearside Rear Statutory seat belt missing |5.1.1| | 1 |
| Centre Rear Statutory seat belt missing |5.1.1| | 1 |
| Nearside Front Seat belt locking mechanism does not secure or release |5.2.5a| | 1 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 1 |
| Offside Rear Braking system leaking |3.6.A.1| | 1 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded outer sill holed |2.4.A.3| | 1 |
| Rear parking brake recording little or no effort | 1 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 1 |
| Brake pedal spongy |3.3.B.1b| | 1 |
| Outer Fuel pipe leaking |7.2.3| | 1 |
| Headlamp not working on main beam |1.7.5a| | 1 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 1 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 1 |
| Nearside Front coil spring cracked |2.4.C.1a| | 1 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 1 |
| Rear fog lamp switch faulty |1.3.1a| | 1 |
| Rear Fuel system component leaking |7.2.3| | 1 |
| Nearside front brake binding |3.7.B.1| | 1 |
| Nearside Front front brake binding |3.7.B.1| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Offside Rear Direction indicator adversely affected by the operation of another lamp |4.4.3 |b|| | 1 |
| Offside Rear Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 1 |
| Offside Rear Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 1 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Front Drivers seat insecure drivers front seat (6.2.5 (a) (ii)) | 1 |
| Exhaust emissions carbon monoxide content excessive (8.2.1.2 (b)) | 1 |
| Emissions not tested |7.0| | 1 |
| Fuel system component leaking |7.2.3| | 1 |
| Nearside Front Anti-roll bar linkage insecure |2.4.G.1| | 1 |
| Offside Front Rear wheel bearing rough when rotated |2.6.1| | 1 |
| Offside Rear Inner Suspension component mounting prescribed area is excessively corroded arch |2.4.A.3| | 1 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Front Anti-roll bar attachment bracket/mounting insecure |2.4.G.1| | 1 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Offside front brake binding |3.7.B.1| | 1 |
| Offside Front Brake hose bulging under pressure |3.6.B.3| | 1 |
| Offside Rear Brake hose bulging under pressure |3.6.B.3| | 1 |
| Offside Front Obligatory mirror missing |8.1.1| | 1 |
| Offside Rear Outer 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| | 1 |
| Offside rear brake grabbing severely |3.7.A.5b| | 1 |
| Offside Front Anti-roll bar linkage insecure and impairing directional stability |5.3.3 |a| |ii|| | 1 |
| Offside Rear rear brake grabbing severely |3.7.A.5b| | 1 |
| Parking brake lever has no reserve travel |3.1.6b| | 1 |
| Battery insecure |1.9.1| | 1 |
| Nearside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 1 |
| 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| | 1 |
| Offside Rear fog lamp missing |1.3.2a| | 1 |
| Rear fog lamp switch missing |1.3.1a| | 1 |
| Nearside Front Steering rack gaiter split |2.2.D.2d| | 1 |
| Nearside Rear Brake hose excessively damaged |3.6.B.4d| | 1 |
| Nearside Front Anti-roll bar linkage fractured |2.4.G.1| | 1 |