| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 22 |
| Exhaust emissions carbon monoxide content excessive |7.3.B.1a| | 15 |
| Brakes imbalanced across an axle | 13 |
| Exhaust emissions hydrocarbon content excessive |7.3.B.1b| | 12 |
| Parking brake: efficiency below requirements |3.7.B.7| | 12 |
| Rear fog lamp tell tale not working |1.3.1b| | 8 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 8 |
| Rear parking brake recording little or no effort | 8 |
| Registration plate lamp issues | 8 |
| Service brake: efficiency below requirements |3.7.B.7| | 7 |
| Rear brake binding | 5 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 5 |
| Offside Rear fog lamp not working |1.3.2b| | 4 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 4 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 3 |
| Direction indicators not working |1.4.A.2c| | 3 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 3 |
| Windscreen wiper does not clear the windscreen effectively | 3 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 3 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 3 |
| Hazard warning lamps inoperative |1.4.B.1b| | 3 |
| Nearside Stop lamp not working |1.2.1b| | 3 |
| Offside Stop lamp not working |1.2.1b| | 3 |
| Rear fog lamp not working |1.3.2b| | 3 |
| Offside Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 3 |
| Windscreen wiper not operating automatically when switched on |8.2.1b| | 3 |
| Brake hose excessively deteriorated | 3 |
| Headlamp aim not tested |1.8.A.1c| | 2 |
| Horn not working |1.6.2a| | 2 |
| Nearside Headlamp not in good working order |not working| |1.2.4a| | 2 |
| Stop lamp not working |1.2.1b| | 2 |
| Front brake application uneven | 2 |
| Nearside Rear Tie bar/rod attachment bracket/mounting insecure |2.4.G.1| | 2 |
| Offside Rear Tie bar/rod attachment bracket/mounting insecure |2.4.G.1| | 2 |
| Exhaust system not adequately supported |7.1.1| | 2 |
| Nearside Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 2 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 2 |
| Windscreen washer not working | 2 |
| Power steering inoperative |2.3.3a| | 2 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 2 |
| Front brake disc in such a condition that it is seriously weakened | 2 |
| Offside Rear Suspension component mounting prescribed area is fractured |2.4.A.3| | 2 |
| Stop lamp(s) all not working (4.3.1 (a) (iii)) | 2 |
| Exhaust emissions hydrocarbon content excessive (8.2.1.2 (b)) | 2 |
| Exhaust emissions carbon monoxide content excessive (8.2.1.2 (b)) | 2 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 2 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 2 |
| Nearside Rear position lamp|s| flickers when tapped lightly by hand |1.1.4c| | 1 |
| Direction indicators not in good working order |function impaired| |1.5.A1b| | 1 |
| Offside Front Suspension arm attachment bracket/mounting nut missing |2.4.G.1| | 1 |
| Nearside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 1 |
| Headlamp not working on dipped beam both not poping up |1.7.5a| | 1 |
| Headlamp not working on main beam both not popping up |1.7.5a| | 1 |
| Nearside Rear Exhaust system not adequately supported |7.1.1| | 1 |
| Offside Front Shock absorber has negligible damping effect |2.7.5| | 1 |
| Offside Rear Coil spring not correctly located |2.4.C.2| | 1 |
| Nearside Front brake caliper leaking |3.6.A.1| | 1 |
| Offside Front Service brake excessively binding |1.2.1 |f|| | 1 |
| Exhaust emissions carbon monoxide content excessive |8.2.1.2 |b|| | 1 |
| Offside Rear Shock absorbers has an excessively worn bush |5.3.2 |c|| | 1 |
| Steering wheel has movement relative to the column indicating looseness |2.2.1 |a| |i|| | 1 |
| Offside Front Suspension component mounting prescribed area is inadequately repaired inner wing/strut mount |2.4.A.3| | 1 |
| 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| | 1 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 1 |
| Offside Headlamp insecure |1.7.3| | 1 |
| Nearside Front Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Offside Front Brake master cylinder/servo mounting prescribed area is excessively corroded |3.6.C.3| | 1 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 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 Rear Stop lamp not working |1.2.1b| | 1 |
| Offside Rear Stop lamp not working |1.2.1b| | 1 |
| Front Steering rack damaged and unserviceable |2.2.C.1d| | 1 |
| Upper Steering pivot point has excessive play |2.2.B.1g| | 1 |
| Nearside Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Offside Rear Direction indicator adversely affected by the operation of another lamp |1.4.A.2h| | 1 |
| Offside Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Brake hose has insufficient room to move | 1 |
| Offside Exhaust system not adequately supported Central mounts missing |7.1.1| | 1 |
| Main beam `tell-tale` not working |1.7.4c| | 1 |
| Nearside Exhaust emissions hydrocarbon content excessive |7.3.B.1b| | 1 |
| Offside Exhaust emissions hydrocarbon content excessive |7.3.B.1b| | 1 |
| Registration plate issues | 1 |
| Steering system excessively tight |2.2.D.1| | 1 |
| Front passenger door cannot be opened from outside the vehicle |6.2.B.1b| | 1 |
| Front passenger door cannot be opened from inside the vehicle |6.2.B.1b| | 1 |
| Nearside Front Brake hose bulging under pressure |3.6.B.3| | 1 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 1 |
| Nearside Parking brake inoperative on one side brake effort low |1.4.1 |a|| | 1 |
| Offside Parking brake inoperative on one side brake effort very low |1.4.1 |a|| | 1 |
| Nearside Front Direction indicators not working |1.4.A.2c| | 1 |
| Offside Headlamp not working on main beam |1.7.5a| | 1 |
| Nearside Windscreen wiper blade missing |8.2.2| | 1 |
| Offside Windscreen wiper blade missing |8.2.2| | 1 |
| Nearside Seat belt insecurely fixed to the vehicles structure |5.2.1a| | 1 |
| Offside Seat belt insecurely fixed to the vehicles structure |5.2.1a| | 1 |
| Offside Rear fog lamp missing |1.3.2a| | 1 |
| Hazard warning switch faulty |1.4.B.1d| | 1 |
| Rear brake application uneven | 1 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 1 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 1 |
| Rear Fuel pipe leaking |7.2.3| | 1 |
| Rear Exhaust emissions carbon monoxide content excessive |7.3.B.1a| | 1 |
| Emissions not tested vehicle over heated |8.2.1.2 |d|| | 1 |
| Brake performance not tested vehicle over heated |1.2.1 |g|| | 1 |
| Exhaust emissions carbon monoxide content excessive 9.8% co |7.3.B.1a| | 1 |
| Offside Indicator tell tale inoperative |1.4.A.2a| | 1 |
| Power steering component|s| leaking |2.3.3b| | 1 |
| Rear Rear fog lamp missing |1.3.2a| | 1 |
| Direction indicators flashing less than 60 times a minute |1.4.A.2g| | 1 |
| Indicator tell tale inoperative |1.4.A.2a| | 1 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 1 |
| Speedometer cannot be illuminated. |6.7.3| | 1 |
| Nearside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Offside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 1 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 1 |
| Headlamp aim beam image kick up to the offside |1.6.B1| | 1 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Offside Suspension component mounting prescribed area is fractured bulk head |2.4.A.3| | 1 |
| Hazard warning tell tale not working correctly |1.4.B.1e| | 1 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Rear Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Front Inner Suspension component mounting prescribed area is excessively corroded wing |2.4.A.3| | 1 |
| Nearside Front Inner Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Offside Rear Tie bar/rod has excessive play in a pin/bush |2.4.G.2| | 1 |
| Nearside Rear Tie bar/rod has excessive play in a pin/bush |2.4.G.2| | 1 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded floor |2.4.A.3| | 1 |
| Bonnet cannot be secured in the closed position |8.4.1| | 1 |
| Offside Side repeater not working |1.4.A.2c| | 1 |
| Front position lamp|s| incorrect colour both |1.1.A.3e| | 1 |
| Battery insecure |1.9.1| | 1 |
| Nearside Lower Front suspension ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt ball joint |2.4.G.2| | 1 |
| Offside 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 Steering arm has relative movement at its fixings |2.2.B.1h| | 1 |
| Nearside Steering rack gaiter insecure |2.2.D.2d| | 1 |
| Offside Steering rack gaiter insecure |2.2.D.2d| | 1 |
| Nearside Headlamp not working on main beam |1.7.5a| | 1 |
| Rear fog lamp missing |1.3.2a| | 1 |
| Offside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Nearside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 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 Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt |5.3.4 |b| |ii|| | 1 |
| Nearside Front Shock absorbers has a serious fluid leak | 1 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 1 |
| Rear Rear fog lamp missing (4.5.1 (a) (ii)) | 1 |
| Rear fog lamp with a multiple light source more than 1/2 not functioning (4.5.1 (a) (ii)) | 1 |
| All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Nearside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 1 |
| Offside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 1 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 1 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 1 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 1 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 1 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 1 |
| Offside Front Brake pipe likely to become detached or damaged under bonnet (1.1.11 (d) (ii)) | 1 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 1 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 1 |
| Brake performance not tested out of fuel (1.2.1 (g)) | 1 |
| Emissions not tested (8.2.1.2 (d)) | 1 |
| Offside Headlamp light intensity severely reduced (4.1.4 (a)) | 1 |
| Offside Front Axle swivel joint insecure in a stub axle (5.1.2 (b) (ii)) | 1 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 1 |
| Headlamp aim projected beam image is obviously incorrect both sides (4.1.2 (c)) | 1 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 1 |
| Nearside Front Seat belt retracting mechanism defective (7.1.2 (e)) | 1 |
| Nearside Front Brake hose leaking on an air braking system (1.1.12 (c) (i)) | 1 |
| Nearside Rear Service brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 1 |