| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 56 |
| Registration plate lamp issues | 37 |
| Windscreen wiper does not clear the windscreen effectively | 31 |
| Brake pipe excessively corroded | 18 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 12 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 10 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 9 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 9 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 8 |
| Brakes imbalanced across an axle | 8 |
| Parking brake: efficiency below requirements |3.7.B.7| | 8 |
| Brake hose excessively deteriorated | 8 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 8 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 7 |
| Rear brake binding | 7 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 6 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 6 |
| Exhaust emissions carbon monoxide content excessive |7.3.B.1a| | 5 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 5 |
| Registration plate issues | 5 |
| Rear parking brake recording little or no effort | 5 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 5 |
| Nearside Stop lamp not working |1.2.1b| | 5 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 4 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 4 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 4 |
| Offside Rear fog lamp not working |1.3.2b| | 4 |
| Nearside Side repeater not working |1.4.A.2c| | 4 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 4 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 4 |
| Offside Stop lamp not working |1.2.1b| | 4 |
| Nearside Headlamp insecure |1.7.3| | 4 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 3 |
| Exhaust emissions hydrocarbon content excessive |7.3.B.1b| | 3 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 3 |
| Indicator switch faulty |1.4.A.1| | 3 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 3 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Nearside Front Direction indicator insecure |1.4.A.2b| | 3 |
| Nearside Front Direction indicators incorrect colour |1.4.A.2f| | 3 |
| Offside Front Direction indicators incorrect colour |1.4.A.2f| | 3 |
| Nearside Rear Stop lamp not working |1.2.1b| | 3 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 3 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 3 |
| Anti-lock braking system warning lamp does not illuminate |3.4.1b| | 3 |
| Anti-lock braking system warning lamp indicates an ABS fault | 3 |
| Front brake application uneven | 2 |
| Offside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Offside Headlamp insecure |1.7.3| | 2 |
| Nearside Front suspension has excessive movement at a wishbone pin or bush |2.5.A.1c| | 2 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 2 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 2 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 2 |
| Windscreen has damage | 2 |
| Emissions not tested |7.0| | 2 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 2 |
| Electrical wiring inadequately supported |1.9.2a| | 2 |
| Nearside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 2 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 2 |
| Centre Stop lamp not working |1.2.1b| | 2 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 2 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 2 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 2 |
| Rear brake application uneven | 2 |
| Offside Front position lamp|s| not in good working order |function impaired| |1.1.4a| | 2 |
| Nearside Rear Seat belt retracting mechanism defective |5.2.5b| | 2 |
| Nearside Steering rack gaiter insecure |2.2.D.2d| | 2 |
| Offside Front Shock absorber detached |2.7.2b| | 1 |
| Direction indicator incorrect colour |1.4.A.2f| | 1 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 1 |
| Offside Front Suspension arm attachment bracket/mounting insecure |2.4.G.1| | 1 |
| Windscreen wiper blade insecure | 1 |
| Offside Front Inner Seat belt anchorage prescribed area is excessively corroded sill |5.2.6| | 1 |
| Nearside Inner Seat belt anchorage prescribed area is excessively corroded sill |5.2.6| | 1 |
| Nearside Outer Seat belt anchorage prescribed area is excessively corroded sill |5.2.6| | 1 |
| Nearside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Windscreen has a sticker or other obstruction encroaching by more than 10mm within zone `A` |8.3.1b| | 1 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Front Lower engine mounting deteriorated resulting in excessive movement |6.1.D.1a| | 1 |
| Offside Front Anti-roll bar ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 1 |
| Nearside Rear Anti-roll bar ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 1 |
| Offside Rear Lower Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 1 |
| Brake pedal creeps down while the pedal is held under pressure |3.3.B.1a| | 1 |
| Offside Front Brake hose leaking |3.6.A.1| | 1 |
| Service brake: efficiency below requirements |3.7.B.7| | 1 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 1 |
| Rear Exhaust system not adequately supported |7.1.1| | 1 |
| Offside Rear Tie bar/rod has excessive play in a pin/bush |2.4.G.2| | 1 |
| Nearside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Offside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Offside Front Steering rack gaiter split |2.2.D.2d| | 1 |
| Nearside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 1 |
| Bonnet retaining device excessively deteriorated |8.4.2| | 1 |
| Nearside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Hazard warning tell tale not working correctly |1.4.B.1e| | 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 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 1 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 1 |
| Front Front position lamp|s| not working |1.1.A.3b| | 1 |
| Horn not working |1.6.2a| | 1 |
| Rear Mechanical brake component has restricted free movement | 1 |
| Nearside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 1 |
| Offside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 1 |
| Offside Rear Trailing arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Centre Upper Stop lamp not working |1.2.1b| | 1 |
| Offside Side repeater not working |1.4.A.2c| | 1 |
| Emissions not tested |7.3.A.1| | 1 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Offside Rear Stop lamp not working |1.2.1b| | 1 |
| Nearside Obligatory mirror insecure |8.1.1| | 1 |
| Fuel tank leaking |7.2.3| | 1 |
| Electrical wiring damaged and bare connector exposed |1.9.2c| | 1 |
| Centre Rear Panhard rod attachment bracket/mounting bolt missing |2.4.G.1| | 1 |
| Nearside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 1 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Offside Front position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 1 |
| Offside Steering rack gaiter insecure |2.2.D.2d| | 1 |
| Offside Front Lower Front suspension locking device missing |2.5.A.4| | 1 |
| Offside Rear Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Front engine mounting deteriorated resulting in excessive movement |6.1.D.1a| | 1 |
| Rear fog lamp tell tale not working |1.3.1b| | 1 |
| Fuel system component leaking |7.2.3| | 1 |
| Nearside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Nearside Rear Rear wheel bearing rough when rotated |2.6.1| | 1 |
| Brake hydraulic reservoir fluid level below minimum level |3.6.G.1b| | 1 |
| Brake servo insecurely mounted |3.6.A.2a| | 1 |
| rear brake grabbing severely |3.7.A.5b| | 1 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 1 |
| Exhaust emits excessive dense blue smoke during acceleration |7.3.A.2c| | 1 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 1 |
| Offside Rear Wheel nut|s| missing |4.2.A.1e| | 1 |
| Brake pedal anti-slip provision worn smooth |3.3.A.1b| | 1 |
| Offside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 1 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 1 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Offside Front Steering component is not secure to the vehicle structure |2.2.B.1a| | 1 |
| Offside Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 1 |
| Nearside Headlamp aim does not move downwards when dipped |British American headlamp| |1.8.C.4| | 1 |
| Offside Headlamp aim does not move downwards when dipped |British American headlamp| |1.8.C.4| | 1 |
| Nearside Rear Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Offside Rear Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Nearside Front Front suspension has excessive movement at a wishbone pin or bush |2.5.A.1c| | 1 |
| Offside Front Front suspension has excessive movement at a wishbone pin or bush |2.5.A.1c| | 1 |
| Exhaust emits dense blue smoke at idle |7.3.A.2b| | 1 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 1 |
| Nearside Front Headlamp insecure |1.7.3| | 1 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 1 |
| Front Direction indicators incorrect colour |1.4.A.2f| | 1 |
| Nearside Rear Wheel nut|s| missing |4.2.A.1e| | 1 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Offside Front Steering pivot point has excessive play |2.2.B.1g| | 1 |
| Front brake disc in such a condition that it is seriously weakened | 1 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Brake fluid warning lamp inoperative |3.6.G.2| | 1 |
| Nearside Front Anti-roll bar ball joint excessively worn |5.3.4 |a| |i|| | 1 |
| Offside Front Anti-roll bar ball joint excessively worn |5.3.4 |a| |i|| | 1 |
| Nearside Front Brake pipe leaking |3.6.A.1| | 1 |
| Nearside Front Wheel nut|s| missing |4.2.A.1e| | 1 |
| Front position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Front Side repeater not working |1.4.A.2c| | 1 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Nearside Front Body has a sharp edge caused by damage |6.1.C.1| | 1 |
| Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Nearside Rear Wheel stud|s| missing |4.2.A.1e| | 1 |
| rear brakes release unevenly |3.7.B.4| | 1 |
| Brake pedal anti-slip provision incomplete |3.3.A.1b| | 1 |
| Nearside Body has a sharp edge caused by damage |6.1.C.1| | 1 |
| Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 1 |
| Nearside Front position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Offside Front Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 1 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 1 |
| Offside Front coil spring broken |2.4.C.1a| | 1 |
| Nearside Rear Trailing arm has excessive play in a pin/bush Front bush |2.4.G.2| | 1 |
| Nearside Inner Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Offside Inner Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Offside Outer Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Nearside Front Anti-roll bar ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 1 |
| Offside Rear Anti-roll bar ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 1 |
| Offside Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Offside rear brake juddering severely |3.7.A.5b| | 1 |
| Offside Front Shock absorber has negligible damping effect |2.7.5| | 1 |
| Rear Brake lining|s| less than 1.5 mm thick |3.5.1g| | 1 |
| Offside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 1 |
| Offside Front suspension has excessive movement at a wishbone pin or bush |2.5.A.1c| | 1 |
| Nearside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 1 |
| Nearside Front coil spring broken |2.4.C.1a| | 1 |
| Nearside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 1 |
| Nearside Front Anti-roll bar linkage ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 1 |
| Nearside Rear Braking system leaking |3.6.A.1| | 1 |
| Offside Rear Braking system leaking |3.6.A.1| | 1 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 1 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded outer cill |5.2.6| | 1 |
| Rear Anti-roll bar linkage has excessive play in a pin/bush both d bush |2.4.G.2| | 1 |
| Rear Anti-roll bar linkage has excessive play in a ball joint both |2.4.G.2| | 1 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 1 |
| Nearside Headlamp aim beam image obviously incorrect no beam image |1.8.A.1b| | 1 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded sill |2.4.A.3| | 1 |
| Nearside Rear coil spring broken |2.4.C.1a| | 1 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 1 |
| Offside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 1 |
| Parking brake lever has no reserve travel |3.1.6b| | 1 |
| Nearside Steering arm has relative movement at its fixings |2.2.B.1h| | 1 |
| Offside Steering arm has relative movement at its fixings |2.2.B.1h| | 1 |
| Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 1 |
| Offside Rear Anti-roll bar linkage ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 1 |
| Steering system excessively rough |2.2.D.1| | 1 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside front brake binding |3.7.B.1| | 1 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 1 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 1 |
| Centre Rear Statutory seat belt missing |5.1.1| | 1 |