| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 60 |
| Parking brake: efficiency below requirements |3.7.B.7| | 31 |
| Registration plate lamp issues | 20 |
| Brake pipe excessively corroded | 17 |
| Horn not working |1.6.2a| | 14 |
| Brakes imbalanced across an axle | 14 |
| Rear parking brake recording little or no effort | 13 |
| Windscreen wiper does not clear the windscreen effectively | 13 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 12 |
| Exhaust emissions carbon monoxide content excessive |7.3.B.1a| | 12 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 11 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 11 |
| Nearside Side repeater not working |1.4.A.2c| | 10 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 9 |
| Offside Rear fog lamp not working |1.3.2b| | 9 |
| Exhaust emissions hydrocarbon content excessive |7.3.B.1b| | 8 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 8 |
| Brake hose excessively deteriorated | 8 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 7 |
| Offside Headlamp not working on main beam |1.7.5a| | 7 |
| Rear brake binding | 7 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 6 |
| Offside front brake binding |3.7.B.1| | 5 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 5 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 5 |
| Service brake: efficiency below requirements |3.7.B.7| | 5 |
| Rear fog lamp tell tale not working |1.3.1b| | 5 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 5 |
| Registration plate issues | 4 |
| Offside Side repeater not working |1.4.A.2c| | 4 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 4 |
| Bonnet cannot be secured in the closed position |8.4.1| | 4 |
| Nearside Headlamp not working on main beam |1.7.5a| | 4 |
| Exhaust emissions carbon monoxide content excessive (8.2.1.2 (b)) | 4 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 4 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 4 |
| Mechanical brake component has restricted free movement | 3 |
| Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 3 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 3 |
| Exhaust engine idle speed too high |7.3.A.2a| | 3 |
| Front brake application uneven | 3 |
| Hazard warning switch faulty |1.4.B.1d| | 3 |
| Rear Rear fog lamp not working |1.3.2b| | 3 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 3 |
| Rear fog lamp not working |1.3.2b| | 3 |
| Rear brake application uneven | 3 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 3 |
| Windscreen washer not working | 3 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 3 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 3 |
| Nearside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 3 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 3 |
| Offside Outer Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 2 |
| Parking brake: efficiency below requirements |3.7.D.4| | 2 |
| Offside Rear Stop lamp not working |1.2.1b| | 2 |
| Stop lamp remains on when the brakes are released | 2 |
| Headlamp excessively damaged so that the light output is severely reduced |1.7.5a| | 2 |
| Offside Steering rack gaiter split |2.2.D.2d| | 2 |
| Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Headlamp aim not tested |1.8.A.1c| | 2 |
| Offside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Offside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Offside Inner Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Nearside Outer Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 2 |
| Steering column top mounting bracket insecure |2.1.2d| | 2 |
| Nearside Outer Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Nearside Rear Suspension component mounting prescribed area is inadequately repaired |2.4.A.3| | 2 |
| Stop lamp not working |1.2.1b| | 2 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 2 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded inner sill |2.4.A.3| | 2 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 2 |
| Brake pedal creeps down when held under pressure |3.3.B.1a| | 2 |
| Fuel hose leaking |7.2.3| | 2 |
| Nearside Front Side repeater not working |1.4.A.2c| | 2 |
| Offside Front Side repeater not working |1.4.A.2c| | 2 |
| Offside Front Direction indicator not working |1.4.A.2c| | 2 |
| Nearside Stop lamp not working |1.2.1b| | 2 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 2 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 2 |
| Nearside Rear Stop lamp not working |1.2.1b| | 2 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 2 |
| Brake hose has insufficient room to move | 2 |
| Nearside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 2 |
| Offside Headlamp excessively damaged so that the light output is severely reduced |1.7.5a| | 2 |
| Direction indicators not working |1.4.A.2c| | 2 |
| Exhaust emits dense blue smoke at idle |7.3.A.2b| | 2 |
| Nearside Seat belt anchorage prescribed area is excessively corroded inner/outer sills |5.2.6| | 1 |
| Offside Seat belt anchorage prescribed area is excessively corroded inner/outer sills |5.2.6| | 1 |
| Rear Mechanical brake component has restricted free movement | 1 |
| Nearside Rear Parking brake inoperative on one side |1.4.1 |a|| | 1 |
| Nearside Rear Service brake indicates brake bind |3.7.D.2a| | 1 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 1 |
| Nearside front brake binding |3.7.B.1| | 1 |
| Headlamps matched pair are incorrectly positioned |1.7.3| | 1 |
| Body insecure and dangerous to other road users |6.1.B.1b| | 1 |
| Headlamp not working on dipped beam |1.7.5a| | 1 |
| Headlamp not working on main beam |1.7.5a| | 1 |
| Nearside Rear Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 1 |
| Offside Rear Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Nearside Front Service brake indicates brake bind |3.7.D.2a| | 1 |
| Nearside Front Service brake application uneven across the axle |3.7.D.2b| | 1 |
| Nearside Front position lamp|s| excessively damaged so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Nearside Front Direction indicator excessively damaged so that it is not visible from a reasonable distance |1.4.A.2e| | 1 |
| Nearside Headlamp excessively damaged so that the light output is severely reduced |1.7.5a| | 1 |
| Steering column locking device insecure |2.1.6| | 1 |
| Steering column movement between the shaft and steering wheel |2.1.2b| | 1 |
| Exhaust tailpipe not capable of allowing the emission probe to be inserted |7.3.B.1| | 1 |
| Offside Front Steering rack gaiter split |2.2.D.2d| | 1 |
| Offside Front Suspension spring mounting prescribed area is severely distorted |2.4.A.3| | 1 |
| Offside Rear Upper Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Nearside Rear Wheel nut|s| missing |4.2.A.1e| | 1 |
| Rear Service brake imbalanced across an axle |1.2.1 |b| |i|| | 1 |
| Nearside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength outer sill (5.3.6 (a) (i)) | 1 |
| Offside Headlamp does not operate immediately when selected on main beam |1.7.4a| | 1 |
| Offside Headlamp does not operate immediately when selected on dipped beam |1.7.4a| | 1 |
| Offside Front Steering system lock to lock check twists a brake pipe |2.2.D.2b| | 1 |
| Nearside Front Steering system lock to lock check twists a brake pipe |2.2.D.2b| | 1 |
| Offside Rear Brake pipe excessively damaged |3.6.B.2c| | 1 |
| Offside Front Seat belt has a cut which has significantly weakened the webbing |5.2.2a| | 1 |
| Nearside Steering rack gaiter insecure |2.2.D.2d| | 1 |
| Offside Steering rack gaiter insecure |2.2.D.2d| | 1 |
| Front passenger door cannot be opened from inside the vehicle |6.2.B.1b| | 1 |
| Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside front brake recording little or no effort |3.7.B.5a| | 1 |
| Nearside front brake recording little or no effort |3.7.B.5a| | 1 |
| Brake pedal spongy |3.3.B.1b| | 1 |
| Nearside Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Offside Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Rear reflector excessively deteriorated so that its function is impaired |1.5.1c| | 1 |
| Nearside Rear Wheel bolt|s| missing |4.2.A.1e| | 1 |
| Nearside Rear Suspension component mounting prescribed area is deliberately modified which significantly reduces the original strength |2.4.A.3| | 1 |
| Offside Rear Suspension component mounting prescribed area is deliberately modified which significantly reduces the original strength |2.4.A.3| | 1 |
| Nearside Rear Coil spring not correctly located |2.4.C.2| | 1 |
| Offside Rear Coil spring not correctly located |2.4.C.2| | 1 |
| Offside Front Steering component damaged and unserviceable |2.2.C.1d| | 1 |
| Nearside Front Steering component damaged and unserviceable |2.2.C.1d| | 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 |
| Hazard warning tell tale not working correctly |1.4.B.1e| | 1 |
| Offside Seat belt anchorage prescribed area is excessively corroded outer sill |5.2.6| | 1 |
| Offside Seat belt anchorage prescribed area is excessively corroded door shut |5.2.6| | 1 |
| Offside Rear Brake pipe leaking |3.6.A.1| | 1 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 1 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 1 |
| Brake master cylinder leaking hydraulic fluid |3.6.G.1f| | 1 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 1 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 1 |
| Nearside Front Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 1 |
| Horn not loud enough to be heard by another road user |1.6.2b| | 1 |
| Front Direction indicators not working |1.4.A.2c| | 1 |
| Rear Direction indicators not working |1.4.A.2c| | 1 |
| Offside Side repeater insecure |1.4.A.2b| | 1 |
| Offside Front Hazard warning lamps inoperative |1.4.B.1b| | 1 |
| Offside Front front brake binding |3.7.B.1| | 1 |
| Nearside Headlamp insecure |1.7.3| | 1 |
| Steering wheel retaining device insecure |2.1.6| | 1 |
| Nearside Front brake caliper has restricted free movement |3.5.1k| | 1 |
| Offside Front brake caliper has restricted free movement |3.5.1k| | 1 |
| Brake pedal anti-slip provision worn smooth |3.3.A.1b| | 1 |
| Offside Rear Upper Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Nearside Rear Brake pipe leaking |3.6.A.1| | 1 |
| Direction indicators flashing less than 60 times a minute |1.4.A.2g| | 1 |
| Parking brake lever defective so that it cannot be satisfactorily operated |3.1.3c| | 1 |
| brake disc in such a condition that it is seriously weakened |3.5.1i| | 1 |
| Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Windscreen wiper blade insecure | 1 |
| Nearside Front Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Fuel pipe leaking |7.2.3| | 1 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 1 |
| Nearside Track rod end loose |2.2.B.1d| | 1 |
| Front Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Offside Stop lamp not working |1.2.1b| | 1 |
| Brake fluid warning lamp inoperative |3.6.G.2| | 1 |
| Horn not working (7.7 (a)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Nearside Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Offside Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 1 |
| Nearside Front Battery insecure and likely to fall from carrier (4.13 (a) (ii)) | 1 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Offside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength inner arch /spring mount area (5.3.6 (a) (i)) | 1 |
| Exhaust emissions - engine idle speed too high (8.2.1.2 (e)) | 1 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 1 |
| Hazard warning lamps inoperative No hazards on nearside |1.4.B.1b| | 1 |
| Battery insecure |1.9.1| | 1 |
| Headlamp missing Nearside head light not moving up when lights switched on |1.7.3| | 1 |
| Offside Front Vehicle structure has excessive corrosion which adversely affects braking or steering floor area seat mount |6.1.A.1| | 1 |
| Nearside Front Vehicle structure has excessive corrosion which adversely affects braking or steering chassis by TCA bush |6.1.A.1| | 1 |
| Offside Front Vehicle structure has excessive corrosion which adversely affects braking or steering chassis by TCA bush |6.1.A.1| | 1 |
| Offside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings Centre floor to inner sill |6.1.B.2| | 1 |
| Offside Rear Vehicle structure has excessive corrosion which adversely affects braking or steering wishbone front mount area |6.1.A.1| | 1 |
| Nearside Rear Vehicle structure has excessive corrosion which adversely affects braking or steering Jacking point |6.1.A.1| | 1 |
| Offside Rear Vehicle structure has excessive corrosion which adversely affects braking or steering Jacking point |6.1.A.1| | 1 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 1 |
| Nearside Rear Lower Body or chassis has an unsatisfactory modification, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Nearside Rear Brake hose excessively damaged |3.6.B.4d| | 1 |
| Offside Front Headlamp aim headlamp not in good working order adversely affecting beam image |1.2.4b| | 1 |
| Service brake efficiency less than 50% of the required value (1.2.2 (a) (ii)) | 1 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 1 |
| Windscreen wiper blade deteriorated |8.2.2| | 1 |
| Nearside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 1 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 1 |
| Offside Rear fog lamp missing |1.3.2a| | 1 |
| Offside Rear Suspension component mounting prescribed area is inadequately repaired |2.4.A.3| | 1 |
| Nearside Headlamp not in good working order |not working| |1.2.4a| | 1 |
| Offside Headlamp not in good working order |not working| |1.2.4a| | 1 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 1 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 1 |
| Parking brake lever has excessive side play in the pivot and may disengage |3.1.4a| | 1 |
| Offside Windscreen has a sticker or other obstruction encroaching by more than 10mm within zone `A` |8.3.1b| | 1 |
| Headlamp switch faulty |1.7.1| | 1 |
| Offside Rear fog lamp excessively damaged so that it is not visible from a reasonable distance |1.3.2d| | 1 |
| Nearside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 1 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 1 |
| Indicator switch faulty |1.4.A.1| | 1 |
| Indicator tell tale inoperative |1.4.A.2a| | 1 |
| Direction indicator not working |1.4.A.2c| | 1 |
| Exhaust emissions carbon monoxide content excessive 7.44% (8.2.1.2 (b)) | 1 |
| Exhaust has a major leak of exhaust gases rear silencer (6.1.2 (a)) | 1 |
| Steering wheel rim fractured (2.2.1 (c) (i)) | 1 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 1 |
| Offside Front Brake hose leaking |3.6.A.1| | 1 |
| Rear Exhaust has a major leak of exhaust gases rear silencer cracked around tail pipe |6.1.2 |a|| | 1 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 1 |
| Offside Rear Direction indicator excessively damaged so that it is not visible from a reasonable distance |1.4.A.2e| | 1 |
| Offside Front Lower Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Nearside Front Lower Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Nearside Inner Seat belt anchorage prescribed area is inadequately repaired sill |5.2.6| | 1 |
| Offside Rear Suspension component mounting prescribed area is inadequately repaired inner wing |2.4.A.3| | 1 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Rear Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Offside Front Tie bar/rod attachment bracket/mounting corroded and its strength is seriously reduced |2.4.G.1| | 1 |
| Offside Inner Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 1 |
| Nearside Seat belt anchorage prescribed area is inadequately repaired |5.2.6| | 1 |
| Offside Seat belt anchorage prescribed area is inadequately repaired |5.2.6| | 1 |
| Offside Front Brake back plate|s| securing device excessively deteriorated |3.5.1j| | 1 |
| Nearside Front Direction indicators not working |1.4.A.2c| | 1 |
| Electrical wiring inadequately supported |1.9.2a| | 1 |
| Electrical wiring deteriorated, likely to become detached |1.9.2b| | 1 |
| Electrical wiring insecure |1.9.2a| | 1 |
| Nearside Windscreen washer jets misaligned and not providing sufficient fluid to the windscreen |3.5 |a|| | 1 |
| Offside Windscreen washer jets misaligned and not providing sufficient fluid to the windscreen |3.5 |a|| | 1 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 1 |
| Offside Brake lever locking device insecure |3.5.1l| | 1 |
| Nearside Front Lower Macpherson strut attachment bracket/mounting likely to become detached (5.3.3 (a) (ii)) | 1 |
| Offside Front Lower Macpherson strut mounting fractured (5.3.3 (b) (ii)) | 1 |
| Exhaust emissions hydrocarbon content excessive (8.2.1.2 (b)) | 1 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 1 |
| Front Front position lamp|s| not in good working order |function impaired| |1.1.4a| | 1 |
| Offside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Nearside Body has a sharp edge caused by corrosion |6.1.C.1| | 1 |
| Offside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Front Macpherson strut corroded and seriously weakened |2.4.G.1| | 1 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 1 |
| Rear Stop lamp not working |1.2.1b| | 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 Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Rear Electrical wiring insecure |1.9.2a| | 1 |
| Nearside Headlamp aim not tested |1.8.A.1c| | 1 |
| Nearside Front Brake hose twisted |found during steering lock to lock check| |2.2.D.2b| | 1 |
| Parking brake lever has no reserve travel |3.1.6b| | 1 |
| Nearside Front Front position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Rear fog lamp adversely affected by the operation of another lamp AFFECTED BY MAIN BEAM (4.5.4 (b)) | 1 |
| Fuel system component leaking |7.2.3| | 1 |
| Nearside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Brake pivot has restricted free movement |3.5.1k| | 1 |
| Nearside Front front brake binding |3.7.B.1| | 1 |
| Offside Rear Position lamp not working |4.2.1 |a|| | 1 |
| Brake pedal has insufficient reserve movement |3.3.A.5| | 1 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 1 |
| Exhaust emits visible black smoke at idle |7.3.A.2b| | 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 Rear Direction indicator not working |1.4.A.2c| | 1 |
| Nearside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 1 |