| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 28 |
| Parking brake: efficiency below requirements |3.7.B.7| | 25 |
| Rear parking brake recording little or no effort | 19 |
| Windscreen wiper does not clear the windscreen effectively | 9 |
| Rear brake binding | 8 |
| Exhaust emissions carbon monoxide content excessive |7.3.B.1a| | 8 |
| Brake pipe excessively corroded | 7 |
| Horn not working |1.6.2a| | 7 |
| Offside Rear fog lamp not working |1.3.2b| | 6 |
| Registration plate lamp issues | 6 |
| Brakes imbalanced across an axle | 5 |
| Exhaust emissions hydrocarbon content excessive |7.3.B.1b| | 5 |
| Offside Front Direction indicator not working |1.4.A.2c| | 5 |
| Offside Stop lamp not working |1.2.1b| | 5 |
| Battery insecure |1.9.1| | 4 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 4 |
| Nearside Headlamp not working on main beam |1.7.5a| | 4 |
| Nearside Stop lamp not working |1.2.1b| | 4 |
| Offside Steering rack gaiter split |2.2.D.2d| | 3 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 3 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 3 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 3 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 3 |
| Exhaust system not adequately supported |7.1.1| | 3 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 3 |
| Rear fog lamp tell tale not working |1.3.1b| | 3 |
| Stop lamp not working |1.2.1b| | 3 |
| Parking brake lever has no reserve travel |3.1.6b| | 3 |
| Steering column movement between the shaft and steering wheel |2.1.2b| | 3 |
| Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b| | 3 |
| Front brake application uneven | 2 |
| Hazard warning switch faulty |1.4.B.1d| | 2 |
| Emissions not tested |7.0| | 2 |
| Hazard warning lamps inoperative |1.4.B.1b| | 2 |
| Exhaust noise is clearly in excess of that emitted by a similar vehicle fitted with a standard silencer in average condition |7.1.4| | 2 |
| Offside Rear Parking brake is not capable of being maintained in operation by direct mechanical action only |3.1.2| | 2 |
| Dipswitch operation does not deflect all main beam headlamps to make them dipped beams |1.7.4b| | 2 |
| Rear fog lamp switch faulty |1.3.1a| | 2 |
| Nearside Front Steering rack gaiter split |2.2.D.2d| | 2 |
| Service brake: efficiency below requirements |3.7.B.7| | 2 |
| Nearside Front Brake pipe inadequately supported |3.6.B.1| | 2 |
| Direction indicators not working |1.4.A.2c| | 2 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 2 |
| Steering column top mounting bracket insecure |2.1.2d| | 2 |
| Lower Steering column universal joint has excessive play |2.1.5| | 2 |
| Nearside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 2 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 2 |
| Rear Stop lamp not working |1.2.1b| | 2 |
| Front Windscreen wiper not operating automatically when switched on |8.2.1b| | 2 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 2 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 2 |
| Front position lamp|s| not working |1.1.A.3b| | 2 |
| Front Headlamp not working on main beam |1.7.5a| | 2 |
| Nearside Rear brake disc contaminated by oil |3.5.1h| | 2 |
| Rear Rear fog lamp not working |1.3.2b| | 2 |
| Registration plate issues | 2 |
| Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 2 |
| Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 2 |
| Windscreen wiper blade insecure | 2 |
| Offside Obligatory mirror missing |8.1.1| | 2 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 2 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 2 |
| Offside Front Tie bar/rod rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 2 |
| Nearside Rear Rear wheel bearing has excessive play |2.6.2| | 2 |
| Nearside Headlamp insecure |1.7.3| | 2 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 2 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 2 |
| Steering system excessively rough |2.2.D.1| | 2 |
| Nearside Rear Parking brake lever has no reserve travel |3.1.6b| | 1 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 1 |
| Nearside Headlamp aim not tested |1.8.A.1c| | 1 |
| Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Nearside Rear Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Steering wheel retaining device insecure |2.1.6| | 1 |
| Nearside Front Braking system leaking |3.6.A.1| | 1 |
| Offside Front Hazard warning lamps inoperative |1.4.B.1b| | 1 |
| Offside Rear Hazard warning lamps inoperative |1.4.B.1b| | 1 |
| Offside front brake binding |3.7.B.1| | 1 |
| Nearside Front front brake binding |3.7.B.1| | 1 |
| Steering column top bearing excessively worn |2.1.2c| | 1 |
| Nearside Front passenger door cannot be opened from inside the vehicle |6.2.B.1b| | 1 |
| Hazard warning tell tale not working correctly |1.4.B.1e| | 1 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| 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| | 1 |
| Nearside Front Headlamp aim not tested |1.8.A.1c| | 1 |
| Nearside front brake binding |3.7.B.1| | 1 |
| Nearside Statutory seat belt missing |5.1.1| | 1 |
| Nearside Seat belt locking mechanism does not secure or release |5.2.5a| | 1 |
| Front passenger door cannot be opened from inside the vehicle |6.2.B.1b| | 1 |
| Rear wheel bearing has excessive play |2.6.2| | 1 |
| Nearside Rear Parking brake is not capable of being maintained in operation by direct mechanical action only |3.1.2| | 1 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Rear Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Upper Steering column universal joint is excessively deteriorated |2.1.5| | 1 |
| Offside Front brake disc excessively pitted |3.5.1h| | 1 |
| Rear Brake pipe fouled by moving parts |3.6.B.2a| | 1 |
| Rear Brake hose twisted |3.6.B.4c| | 1 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 1 |
| Offside Seat belt damaged sufficient to obstruct correct operation of the belt |5.2.2a| | 1 |
| Nearside Steering rack gaiter insecure |2.2.D.2d| | 1 |
| Offside Rear Rear wheel bearing has excessive play |2.6.2| | 1 |
| Offside Rear fog lamp not working |4.5.1 |a| |ii|| | 1 |
| Steering column has excessive movement up and down |2.2.2 |a|| | 1 |
| Nearside Front Seat belt retracting mechanism defective |5.2.5b| | 1 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Nearside Rear Radius arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Offside Front Braking system leaking |3.6.A.1| | 1 |
| Offside Front Brake pipe inadequately supported |3.6.B.1| | 1 |
| Windscreen has damage | 1 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Driver`s door cannot be opened from inside the vehicle |6.2.B.1b| | 1 |
| Offside Front Tie bar/rod has excessive play in a pin/bush |2.4.G.2| | 1 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 1 |
| Steering column shaft has excessive end float |2.1.3| | 1 |
| Steering column universal joint has excessive play |2.1.5| | 1 |
| Nearside Front Driver`s seat cannot be secured in the upright position. |6.2.A.2| | 1 |
| Offside Front Driver`s seat cannot be secured in the upright position. |6.2.A.2| | 1 |
| Nearside Front Headlamp insecure |1.7.3| | 1 |
| Offside Front Headlamp insecure |1.7.3| | 1 |
| Nearside Rear Exhaust emissions carbon monoxide content excessive |7.3.B.1a| | 1 |
| Nearside rear brakes release unevenly |3.7.B.4| | 1 |
| Offside rear brakes release unevenly |3.7.B.4| | 1 |
| Nearside Rear fog lamp adversely affected by the operation of another lamp |1.3.2f| | 1 |
| Nearside Rear Direction indicator adversely affected by the operation of another lamp |1.4.A.2h| | 1 |
| Nearside Headlamp not in good working order |not working| |1.2.4a| | 1 |
| Offside Headlamp flickers when tapped lightly by hand |1.2.4c| | 1 |
| Brake cable has restricted free movement |3.5.1k| | 1 |
| Offside Outer Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 1 |
| Nearside Outer Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 1 |
| Rear brake application uneven | 1 |
| Offside Rear fog lamp tell tale not working |1.3.1b| | 1 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Offside Front Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Exhaust mounting missing |7.1.1b| | 1 |
| Offside Front Shock absorber detached |2.7.2b| | 1 |
| Nearside Front Shock absorber detached |2.7.2b| | 1 |
| Offside Headlamp not working on main beam |1.7.5a| | 1 |
| Lower Steering column universal joint insecure |2.1.5| | 1 |
| Nearside Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b| | 1 |
| Brake hose has insufficient room to move | 1 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Offside Indicator tell tale inoperative |1.4.A.2a| | 1 |
| Windscreen wiper control missing |8.2.1a| | 1 |
| Nearside Front Front position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Offside Front Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Offside Front front brake binding |3.7.B.1| | 1 |
| Nearside Front Lower Tie bar/rod rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Offside Front Lower Tie bar/rod rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Mechanical brake component has restricted free movement | 1 |
| Rear Front position lamp|s| not working |1.1.A.3b| | 1 |
| Front Headlamp not working on dipped beam |1.7.5a| | 1 |
| Front passenger seat insecure |6.2.3| | 1 |
| Offside Rear Brake cable has restricted free movement |3.5.1k| | 1 |
| Offside Front Seat belt damaged sufficient to obstruct correct operation of the belt |5.2.2a| | 1 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 1 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 1 |
| Rear Parking brake lever has no reserve travel |3.1.6b| | 1 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 1 |
| Nearside Front Headlamp excessively damaged so that the light output is severely reduced |1.7.5a| | 1 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 1 |
| Main beam `tell-tale` not working |1.7.4c| | 1 |
| Nearside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Nearside Front Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 1 |
| Offside Headlamps matched pair are not the same shape |1.7.6| | 1 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Centre Windscreen wiper not operating automatically when switched on |8.2.1b| | 1 |
| Driver`s seat cannot be secured in the upright position. |6.2.A.2| | 1 |
| Nearside Passenger`s seat cannot be secured in the upright position. |6.2.A.2| | 1 |
| Offside Front Upper Ball joint has excessive play |2.2.B.1f| | 1 |
| Nearside Front Lower Ball joint has excessive play |2.2.B.1f| | 1 |
| Braking system leaking |3.6.A.1| | 1 |
| Power steering component|s| leaking |2.3.3b| | 1 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 1 |
| Power steering pipe|s| or hose|s| leaking |2.3.3b| | 1 |
| Steering locking device insecure |2.2.C.1g| | 1 |
| Front Direction indicators not working |1.4.A.2c| | 1 |
| Offside Rear Direction indicators not working |1.4.A.2c| | 1 |
| Nearside Suspension arm locating pin locking device missing |2.4.G.3b| | 1 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 1 |
| Nearside Rear Wheel nut|s| missing |4.2.A.1e| | 1 |
| Nearside Front suspension locking device missing |2.5.A.4| | 1 |
| Nearside Rear Wheel bearing play so excessive it is likely to break up |5.1.3 |a| |ii|| | 1 |
| Bonnet cannot be secured in the closed position |8.4.1| | 1 |
| Nearside Front Tie bar/rod rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Lower Steering column universal joint is excessively deteriorated |2.1.5| | 1 |
| Dipswitch operation does not extinguish all main beam headlamps leaving at least one pair of dipped beam headlamps |1.7.4b| | 1 |
| Centre Windscreen wiper control missing |8.2.1a| | 1 |
| Parking brake not fitted on at least one wheel on a 3 wheeled vehicle |3.1.1| | 1 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Offside Headlamp insecure |1.7.3| | 1 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Nearside Rear Stop lamp|s| adversely affected by the operation of another lamp |4.3.3 |b|| | 1 |
| Nearside Rear Position lamp adversely affected by the operation of another lamp |4.2.3 |c|| | 1 |
| Fuel cap/sealing device ineffective wrong cap fitted |6.1.3 |b| |i|| | 1 |
| Offside Rear Service brake excessively binding |1.2.1 |f|| | 1 |
| Offside Rear Parking brake inoperative on one side |1.4.1 |a|| | 1 |
| Offside Front Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Parking brake efficiency below requirements |3.7.E.1| | 1 |
| Front Track rod end seriously misaligned |2.2.C.1b| | 1 |
| Nearside Front Track rod end loose retaining nut on drag link end |2.2.B.1d| | 1 |
| Offside Front Track rod end loose retaining nut on drag link end |2.2.B.1d| | 1 |
| Rear fog lamp not working |1.3.2b| | 1 |
| Obligatory mirror missing rear view mirror |8.1.1| | 1 |
| Nearside Obligatory mirror missing |8.1.1| | 1 |
| Nearside Seat belt retracting mechanism defective |5.2.5b| | 1 |
| Nearside Front passenger door catch deteriorated so the door cannot be readily opened or closed |6.2.B.2| | 1 |
| Offside Front Driver`s seat insecure |6.2.A.1| | 1 |
| Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Headlamp adversely affected by the operation of another lamp |1.7.5c| | 1 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Offside Rear fog lamp missing |1.3.2a| | 1 |
| Rear fog lamp switch missing |1.3.1a| | 1 |
| Rear fog lamp tell tale missing |1.3.1b| | 1 |
| Steering component excessively corroded and unserviceable |2.2.C.1d| | 1 |
| Nearside Front Radius arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Offside Front Radius arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Exhaust engine idle speed too high |7.3.A.2a| | 1 |
| Offside Rear Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 1 |
| Obligatory mirror missing |8.1.1| | 1 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 1 |
| Nearside Rear Stop lamp not working |1.2.1b| | 1 |
| Offside Rear Stop lamp not working |1.2.1b| | 1 |
| Offside Inner Rear Drive shaft uj which forms part of the suspension has excessive play in a universal joint |2.4.G.4b| | 1 |
| Offside Rear Shock absorber has negligible damping effect |2.7.5| | 1 |
| Parking |secondary brake| on a single line braking system imbalanced across an axle Axle 1 |1.3.1 |b| |i|| | 1 |
| Offside Headlamp aim beam image kick up to the offside |1.8| | 1 |
| Nearside Passenger`s seat insecure |6.2.A.1| | 1 |
| Nearside Front Upper Suspension arm locating pin locking device not properly locked |2.4.G.3b| | 1 |
| Offside Front Upper Suspension arm locating pin locking device not properly locked |2.4.G.3b| | 1 |
| Nearside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 1 |
| Brake hose excessively deteriorated | 1 |
| Offside Rear Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Offside Front Front wheel bearing rough when rotated |2.5.A.2| | 1 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 1 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 1 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 1 |
| Nearside Dipswitch operation does not extinguish all main beam headlamps leaving at least one pair of dipped beam headlamps |1.7.4b| | 1 |
| Offside Dipswitch operation does not extinguish all main beam headlamps leaving at least one pair of dipped beam headlamps |1.7.4b| | 1 |
| Offside Front Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 1 |
| Nearside Front Radius arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Offside Front Radius arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Nearside Rear Road wheel fixing missing wheel nut, put a spare one on during test |5.2.1 |a| |i|| | 1 |
| Steering system excessively tight |2.2.D.1| | 1 |
| Horn not loud enough to be heard by another road user |1.6.2b| | 1 |
| Nearside Front Mechanical brake component locking device insecure |3.5.1l| | 1 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 1 |
| Nearside Front Seat belt damaged sufficient to obstruct correct operation of the belt |5.2.2a| | 1 |
| Front Headlamp does not operate immediately when selected on main beam |1.7.4a| | 1 |
| Front Headlamp does not operate immediately when selected on dipped beam |1.7.4a| | 1 |
| Offside Front Seat belt insecurely fixed to the vehicles structure |5.2.1a| | 1 |
| Offside Front position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Front Exhaust system not adequately supported |7.1.1| | 1 |
| Fuel hose leaking |7.2.3| | 1 |
| Nearside Rear Drive shaft uj which forms part of the suspension has excessive play in a universal joint |2.4.G.4b| | 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 Front Front position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| front brake binding |3.7.B.1| | 1 |
| Front An item not tested |Manual| | 1 |
| Offside Rear Lower Trailing arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Nearside Front Upper Trailing arm locating pin locking pin locking device not properly locked |2.4.G.3b| | 1 |
| Offside Front Steering rack gaiter split |2.2.D.2d| | 1 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 1 |
| Nearside Front Headlamp not in good working order |not working| |1.2.4a| | 1 |
| Offside Front Headlamp not in good working order |not working| |1.2.4a| | 1 |
| Nearside Direction indicators not working |1.4.A.2c| | 1 |
| Offside Direction indicators not working |1.4.A.2c| | 1 |
| Offside Seat belt damaged sufficient to significantly weakened the webbing |5.2.2a| | 1 |
| Front wheel bearing rough when rotated Both |2.5.A.2| | 1 |
| Offside Steering arm has relative movement at its fixings |2.2.B.1h| | 1 |
| Offside Front coil spring incomplete |2.4.C.1a| | 1 |
| Rear brake disc excessively pitted |3.5.1h| | 1 |
| Nearside Parking brake is not capable of being maintained in operation by direct mechanical action only |3.1.2| | 1 |
| Centre Parking brake lever has no reserve travel |3.1.6b| | 1 |
| Brake pipe leaking on an air braking system centre (1.1.11 (b) (i)) | 1 |
| Steering column flexible coupling is excessively deteriorated (2.2.2 (c)) | 1 |
| Nearside Stop lamp not working (1.2.1b) | 1 |
| Rear Exhaust silencer insecure (8.1.1 (b) (i)) | 1 |
| Position lamp not working Side lamp switch sticky (4.2.1 (a) (ii)) | 1 |
| Nearside Rear Suspension arm pin or bush excessively worn excessive movement (5.3.4 (a) (i)) | 1 |
| Offside Rear Suspension arm pin or bush excessively worn excessive movement (5.3.4 (a) (i)) | 1 |
| Exhaust carbon monoxide content at idle exceeds default limits (8.2.1.2 (b)) | 1 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 1 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Nearside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 1 |
| Offside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 1 |
| Lower Steering column attachment defective Bush worn (2.2.2 (d) (i)) | 1 |
| Stop lamp(s) all not working (4.3.1 (a) (iii)) | 1 |