| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 27 |
| Parking brake: efficiency below requirements |3.7.B.7| | 27 |
| Rear parking brake recording little or no effort | 19 |
| Windscreen wiper does not clear the windscreen effectively | 13 |
| Brake pipe excessively corroded | 11 |
| Horn not working |1.6.2a| | 8 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 6 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 5 |
| Brakes imbalanced across an axle | 4 |
| Parking brake lever has no reserve travel |3.1.6b| | 4 |
| Registration plate issues | 3 |
| Service brake: efficiency below requirements |3.7.B.7| | 3 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 3 |
| Battery insecure |1.9.1| | 3 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 3 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 3 |
| Offside Front Road wheel fixing missing (5.2.1 (a) (i)) | 3 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 3 |
| Nearside Rear Shock absorber has an excessively worn bush |2.7.4| | 3 |
| Rear brake binding | 3 |
| Front brake disc in such a condition that it is seriously weakened | 3 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 3 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 2 |
| Registration plate lamp issues | 2 |
| Rear Exhaust system not adequately supported |7.1.1| | 2 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 2 |
| Offside Front Lower Suspension arm corroded and seriously weakened |2.4.G.1| | 2 |
| Mechanical brake component has restricted free movement | 2 |
| Nearside Rear Stop lamp not working |1.2.1b| | 2 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Anti-lock braking system warning lamp does not illuminate (1.6 (a)) | 2 |
| Offside Stop lamp not working |1.2.1b| | 2 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 2 |
| Nearside Headlamp not working on main beam |1.7.5a| | 2 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 2 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 2 |
| Front Suspension has inadequate clearance with the bump stop |2.4.A.1a| | 2 |
| Rear Suspension has inadequate clearance with the bump stop |2.4.A.1a| | 2 |
| Offside Rear wheel bearing has excessive play |2.6.2| | 2 |
| Nearside Rear Direction indicator incorrect colour |4.4.3 |a|| | 2 |
| Offside Rear Direction indicator incorrect colour |4.4.3 |a|| | 2 |
| Offside Rear Wheel nut|s| missing |4.2.A.1e| | 2 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 2 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 2 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 2 |
| Nearside Front Upper Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 2 |
| Nearside Rear Brake clevis joint has restricted free movement (1.1.15 (e)) | 2 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 2 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 2 |
| Nearside Front brake disc excessively scored |3.5.1h| | 2 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 2 |
| Rear brake disc in such a condition that it is seriously weakened | 2 |
| Emissions not tested |7.0| | 2 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 1 |
| Offside Rear Tie bar/rod has excessive play in a pin/bush |2.4.G.2| | 1 |
| Offside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Nearside Front Radius arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 1 |
| Nearside Rear Valve stem seriously damaged |4.1.D.1e| | 1 |
| Nearside Rear Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 1 |
| Nearside Rear Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 1 |
| Nearside Rear Suspension arm rubber bush deteriorated resulting in excessive movement Track rod |2.4.G.2| | 1 |
| Suspension has inadequate clearance with the bump stop |2.4.A.1a| | 1 |
| Nearside Rear Suspension arm rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Nearside Rear Exhaust has a part missing |7.1.1a| | 1 |
| Offside Rear Exhaust has a part missing |7.1.1a| | 1 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 1 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 1 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 1 |
| Offside Headlamp insecure |4.1.1 |c|| | 1 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 1 |
| Offside Windscreen washer jets misaligned and not providing sufficient fluid to the windscreen (3.5 (a)) | 1 |
| Front Exhaust has a major leak of exhaust gases flexi (6.1.2 (a)) | 1 |
| Nearside Rear Brake lining|s| less than 1.5 mm thick |3.5.1g| | 1 |
| Offside Rear Brake lining|s| less than 1.5 mm thick |3.5.1g| | 1 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 1 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 1 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 1 |
| Offside Front Lower Suspension arm corroded and seriously weakened wishbone |2.4.G.1| | 1 |
| Front brake application uneven | 1 |
| Nearside Front position lamp|s| incorrect colour |1.1.A.3e| | 1 |
| Offside Front position lamp|s| incorrect colour |1.1.A.3e| | 1 |
| Offside Front Sub-frame attachment bracket/mounting bolt missing |2.4.G.1| | 1 |
| Offside Front Shock absorber has an excessively worn bush |2.7.4| | 1 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 1 |
| Offside Front 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 Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Windscreen has damage | 1 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Rear Rear wheel bearing has excessive play |2.6.2| | 1 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 1 |
| Nearside Front Suspension arm corroded and seriously weakened wishbone holed and corroded |2.4.G.1| | 1 |
| Offside Front Lower Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 1 |
| Parking brake lever is impeded in its travel |3.1.6c| | 1 |
| Offside Front Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Nearside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Nearside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength Floor panel (5.3.6 (a) (i)) | 1 |
| Offside Rear Subframe mounting prescribed area excessively corroded significantly reducing structural strength outer sill (5.3.6 (a) (i)) | 1 |
| Offside Rear Subframe mounting prescribed area excessively corroded significantly reducing structural strength inner arch area (5.3.6 (a) (i)) | 1 |
| Nearside Rear Suspension arm pin or bush excessively worn tie bar from body to hub (5.3.4 (a) (i)) | 1 |
| Offside Rear Suspension arm pin or bush excessively worn tie bar from body to hub (5.3.4 (a) (i)) | 1 |
| Offside Rear Upper Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Nearside Front Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Nearside Front Sub-frame insecure |2.4.G.1| | 1 |
| Offside Front Sub-frame insecure |2.4.G.1| | 1 |
| Offside Front Suspension arm likely to fail |5.3.3 |b| |ii|| | 1 |
| Nearside Front Side repeater not working (4.4.1 (a) (ii)) | 1 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 1 |
| Nearside Front Wheel nut|s| missing |4.2.A.1e| | 1 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 1 |
| Nearside Rear Wheel nut|s| missing |4.2.A.1e| | 1 |
| Offside Rear fog lamp not working |1.3.2b| | 1 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 1 |
| Windscreen wiper blade insecure | 1 |
| Nearside Front Seat belt locking mechanism does not secure or release |5.2.5a| | 1 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Offside Front Radius arm corroded and seriously weakened |2.4.G.1| | 1 |
| Rear fog lamp switch faulty |1.3.1a| | 1 |
| Rear fog lamp tell tale not working |1.3.1b| | 1 |
| Rear fog lamp not working |1.3.2b| | 1 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 1 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Offside Rear Stop lamp not working |1.2.1b| | 1 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Offside Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Offside Front Suspension arm corroded and seriously weakened |2.4.G.1| | 1 |
| Nearside Rear Lower Shock absorber has an excessively worn bush |2.7.4| | 1 |
| Offside Rear Lower Shock absorber has an excessively worn bush |2.7.4| | 1 |
| Stop lamp|s| remains on when the brakes are released |4.3.2 |a| |iii|| | 1 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 1 |
| Nearside Front Service brake excessively fluctuating |1.2.1 |e|| | 1 |
| Nearside Front Direction indicator incorrect colour |4.4.3 |a|| | 1 |
| Offside Front Direction indicator incorrect colour |4.4.3 |a|| | 1 |
| Nearside Headlamp aim projected beam image is obviously incorrect clip missing off rear |4.1.2 |c|| | 1 |
| Nearside Front Service brake excessively binding |1.2.1 |f|| | 1 |
| Offside Side repeater not working |4.4.1 |a| |ii|| | 1 |
| Battery insecure and likely to cause a short circuit |4.13 |a| |ii|| | 1 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 1 |
| Offside Front Front wheel bearing rough when rotated |2.5.A.2| | 1 |
| Front brake disc excessively pitted |3.5.1h| | 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 Rear Shock absorbers has a serious fluid leak | 1 |
| Offside Rear Brake clevis joint has restricted free movement (1.1.15 (e)) | 1 |
| Offside Rear Brake clevis joint has restricted free movement seized (1.1.15 (e)) | 1 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 1 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 1 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 1 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 1 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 1 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 1 |
| Nearside Rear Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Offside Side repeater not working |1.4.A.2c| | 1 |
| Horn not working (7.7 (a)) | 1 |
| Windscreen washer not working | 1 |
| Offside Front Headlamp aim beam image too far to the right |1.6.B4| | 1 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 1 |
| Front Fluid suspension has no suspension movement |2.4.D.5| | 1 |
| Rear Fluid suspension has no suspension movement |2.4.D.5| | 1 |
| Nearside Front Headlamp light intensity severely reduced (4.1.4 (a)) | 1 |
| Offside Front Headlamp light intensity severely reduced (4.1.4 (a)) | 1 |
| Windscreen wiper not working Both (3.4 (a)) | 1 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Emissions not tested Aborted due to CO levels excessively high, slight engine misfire (8.2.1.2 (d)) | 1 |
| Offside Front brake disc excessively scored |3.5.1h| | 1 |
| Offside Front Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement inner D bush |2.4.G.2| | 1 |
| Suspension system inoperative Car Resting on its Bump Stops (5.3.5 (a)) | 1 |
| Nearside Rear Sub-frame corroded and seriously weakened (5.3.3 (b) (i)) | 1 |
| Nearside Front Lower Suspension arm corroded and seriously weakened (5.3.3 (b) (i)) | 1 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Nearside Windscreen wiper not operating automatically when switched on |8.2.1b| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Nearside Exhaust system not adequately supported |7.1.1| | 1 |
| Offside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 1 |
| Nearside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 1 |
| Offside front brake binding |3.7.B.1| | 1 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Rear brake disc excessively scored |3.5.1h| | 1 |
| Offside Rear brake disc excessively scored |3.5.1h| | 1 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 1 |
| Offside Lower Suspension arm corroded and seriously weakened |2.4.G.1| | 1 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 1 |
| Exhaust carbon monoxide content at idle exceeds default limits (8.2.1.2 (b)) | 1 |
| Offside Rear Seat belt anchorage prescribed area strength or continuity significantly reduced outer sill holed (7.1.1 (a) (i)) | 1 |
| Offside Rear Floor excessively deteriorated holed (6.2.4 (a) (i)) | 1 |
| Nearside Headlamp light intensity severely reduced |4.1.4 |a|| | 1 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits |8.2.1.2 |b|| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Nearside Front Suspension arm corroded and seriously weakened |2.4.G.1| | 1 |
| Rear Mechanical brake component has restricted free movement | 1 |
| Exhaust emissions likely to be affected by an exhaust leak |8.2.1.1 |b|| | 1 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 1 |
| Nearside Track rod end ball joint has excessive play |2.1.3 |b| |i|| | 1 |
| Offside Headlamp aim beam image obviously incorrect dipped |1.8.A.1b| | 1 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Nearside Rear Outer Integral body structure or chassis has excessive corrosion, seriously affecting its strength within 30cm of a body mounting Sill (6.2.2 (d) (i)) | 1 |
| Offside Rear Floor excessively deteriorated (6.2.4 (a) (i)) | 1 |
| Offside Front Integral body structure or chassis has excessive corrosion, seriously affecting its strength within 30cm of a body mounting Sill (6.2.2 (d) (i)) | 1 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Rear Direction indicator incorrect colour |1.4.A.2f| | 1 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 1 |
| Nearside Front Headlamp has a product on the lens so that the light output is severely reduced (4.1.4 (b)) | 1 |
| Offside Front Headlamp has a product on the lens so that the light output is severely reduced (4.1.4 (b)) | 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 |