| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 21 |
| Brakes imbalanced across an axle | 17 |
| Windscreen wiper does not clear the windscreen effectively | 17 |
| Registration plate lamp issues | 15 |
| Parking brake: efficiency below requirements |3.7.B.7| | 14 |
| Rear brake binding | 13 |
| Horn not working |1.6.2a| | 11 |
| Rear parking brake recording little or no effort | 9 |
| Rear Mechanical brake component has restricted free movement | 8 |
| Service brake: efficiency below requirements |3.7.B.7| | 7 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 7 |
| Offside Stop lamp not working |1.2.1b| | 7 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 6 |
| Brake pipe excessively corroded | 5 |
| Nearside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 5 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 5 |
| Registration plate issues | 5 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 5 |
| Offside front brake binding |3.7.B.1| | 5 |
| Offside Headlamp not working on main beam |1.7.5a| | 5 |
| Nearside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 5 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 4 |
| Nearside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 4 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 4 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 4 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 4 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 4 |
| Indicator tell tale inoperative |1.4.A.2a| | 4 |
| Nearside Headlamp not working on main beam |1.7.5a| | 4 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 4 |
| Offside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Offside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Nearside front brake binding |3.7.B.1| | 3 |
| Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 3 |
| Offside Front front brake binding |3.7.B.1| | 3 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 3 |
| Mechanical brake component has restricted free movement | 3 |
| Front brake application uneven | 3 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 3 |
| Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 3 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 3 |
| Nearside Stop lamp not working |1.2.1b| | 3 |
| Offside Drag link end ball joint has excessive play |2.2.B.1f| | 3 |
| Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 2 |
| Nearside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Front brake disc in such a condition that it is seriously weakened | 2 |
| Nearside Front front brake binding |3.7.B.1| | 2 |
| Nearside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Rear brake application uneven | 2 |
| Offside Rear Sub-frame attachment rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 2 |
| Nearside Rear Stop lamp not working |1.2.1b| | 2 |
| Indicator switch faulty |1.4.A.1| | 2 |
| Hazard warning lamps inoperative |1.4.B.1b| | 2 |
| Offside Headlamp aim beam image kick up to the offside |1.8| | 2 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 2 |
| Offside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 2 |
| Nearside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 2 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 2 |
| Battery insecure |1.9.1| | 2 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 2 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 2 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 2 |
| Stop lamp not working |1.2.1b| | 2 |
| Offside Outer Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Offside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Nearside Rear Statutory seat belt missing |5.1.1| | 2 |
| Offside Rear Statutory seat belt missing |5.1.1| | 2 |
| Direction indicators not working |1.4.A.2c| | 2 |
| Central Steering system has excessive free play detected at the steering wheel |steering box fitted| |2.2.A.1a| | 2 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 1 |
| Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Nearside Rear Sub-frame rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Offside Rear Sub-frame rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 1 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 1 |
| Nearside Ball joint has excessive play |2.2.B.1f| | 1 |
| Parking brake lever, pawl mechanism pivots or their associated mountings are insecure |3.1.4b| | 1 |
| Parking brake lever has excessive side play in the pivot and may disengage |3.1.4a| | 1 |
| Parking brake lever ratchet mechanism is excessively worn |3.1.5| | 1 |
| Offside Seat belt anchorage prescribed area is inadequately repaired |5.2.6| | 1 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 1 |
| Brake performance not tested |3.7.A.1| | 1 |
| Nearside Rear Vehicle structure excessively corroded within 30cm of towbar mounting |6.6.6| | 1 |
| Offside Rear Vehicle structure excessively corroded within 30cm of towbar mounting |6.6.6| | 1 |
| Nearside Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Fuel system component insecure |7.2.1| | 1 |
| Brake pedal anti-slip provision loose |3.3.A.1b| | 1 |
| Offside Outer Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Nearside Outer Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 1 |
| Offside Front brake disc excessively pitted |3.5.1h| | 1 |
| Offside Outer Rear Sub-frame rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 1 |
| Nearside Rear Vehicle structure has an inadequate repair, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 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 Anti-roll bar linkage insecure |2.4.G.1| | 1 |
| Rear Exhaust system not adequately supported |7.1.1| | 1 |
| Centre Front Steering locking device missing |2.2.C.1g| | 1 |
| Nearside Front Brake pipe seriously damaged |found during steering lock to lock check| |2.2.D.2b| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Offside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded inner wheel arch |2.4.A.3| | 1 |
| Nearside Direction indicators not working |1.4.A.2c| | 1 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded centre /inner sil |2.4.A.3| | 1 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded chassis |2.4.A.3| | 1 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded and centre inner /outer sils |2.4.A.3| | 1 |
| Braking system leaking servo |3.6.A.1| | 1 |
| Brake servo vacuum pipe collapsed |3.6.C.1b| | 1 |
| Offside Front Direction indicators not working |1.4.A.2c| | 1 |
| Offside Rear Direction indicators not working |1.4.A.2c| | 1 |
| Horn control not readily accessible to the driver |1.6.1| | 1 |
| Offside Front Steering component mounting prescribed area is excessively corroded |2.2.C.1h| | 1 |
| Nearside Front Steering component mounting prescribed area is excessively corroded |2.2.C.1h| | 1 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Nearside Front Body has a sharp edge caused by corrosion |6.1.C.1| | 1 |
| Offside Front Body has a projection caused by corrosion |6.1.C.1| | 1 |
| Centre Front Body has a sharp edge caused by corrosion |6.1.C.1| | 1 |
| Centre Rear Body has a sharp edge caused by corrosion |6.1.C.1| | 1 |
| Nearside Front Direction indicators not working |1.4.A.2c| | 1 |
| Nearside Rear Direction indicators not working |1.4.A.2c| | 1 |
| Nearside Front Service brake grabbing severely |3.7.C.2| | 1 |
| Nearside Service brake is causing the vehicle to swerve to the nearside |3.7.C.2| | 1 |
| Offside Front Inner 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 Inner 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 Seat belt anchorage prescribed area is excessively corroded Sill split across bottom |5.2.6| | 1 |
| Nearside Headlamp aim beam image kick up to the offside |1.8| | 1 |
| Headlamp aim beam image kick up to the offside |1.8| | 1 |
| Offside Direction indicator adversely affected by the operation of another lamp |1.4.A.2h| | 1 |
| rear brakes release unevenly |3.7.B.4| | 1 |
| Nearside rear brake excessively fluctuating |3.7.B.3| | 1 |
| Offside rear brake excessively fluctuating |3.7.B.3| | 1 |
| Nearside Front Brake pipe leaking |3.6.A.1| | 1 |
| Front Exhaust system not adequately supported |7.1.1| | 1 |
| Nearside Front Lower Front suspension has a suspension lower ball joint securing nut loose All three |2.5.B.1a| | 1 |
| Offside Rear coil spring fractured |2.4.C.1a| | 1 |
| Headlamp aim not tested |1.8.A.1c| | 1 |
| Nearside Front passenger seat insecure |6.2.3| | 1 |
| Braking system leaking master cylinder |3.6.A.1| | 1 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Brake has no servo assistance |3.3.B.2| | 1 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Nearside Body has a projection caused by corrosion |6.1.C.1| | 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 Rear Stop lamp not working |1.2.1b| | 1 |
| Nearside Front Braking system leaking |3.6.A.1| | 1 |
| Offside Front suspension has excessive movement at a suspension ball joint bottom joint |2.5.A.1c| | 1 |
| Steering locking device missing all 4 mid joint split pins missing |2.2.C.1g| | 1 |
| Nearside Steering pivot point has excessive play steering idler exessive play |2.2.B.1g| | 1 |
| Offside Drag link end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt inner joint cover |2.2.C.1c| | 1 |
| Offside Rear Sub-frame has excessive play in a pin/bush large bush split out |2.4.G.2| | 1 |
| Windscreen wiper not operating automatically when switched on |8.2.1b| | 1 |
| Exhaust engine idle speed too high |7.3.A.2a| | 1 |
| Fuel tank leaking |7.2.3| | 1 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 1 |
| Offside Front Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 1 |
| Front front brake binding |3.7.B.1| | 1 |
| Hazard warning switch faulty |1.4.B.1d| | 1 |
| Nearside Front Headlamp aim beam image kick up to the offside |1.8| | 1 |
| Offside Rear front brake binding |3.7.B.1| | 1 |
| Nearside Service brake is causing the steering wheel to severely pull one way |3.7.C.2| | 1 |
| Nearside Rear Body has a sharp edge caused by corrosion |6.1.C.1| | 1 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 1 |
| Nearside Outer Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 1 |
| Offside Front Track rod end ball pin shank loose |2.2.B.1c| | 1 |
| Offside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Centre Front Drag link end ball joint has excessive play |2.2.B.1f| | 1 |
| Brake pedal creeps down when held under pressure |3.3.B.1a| | 1 |
| Offside Front Direction indicator not working |1.4.A.2c| | 1 |
| Nearside Rear Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Nearside Front Service brake indicates brake bind |3.7.D.2a| | 1 |
| Offside Front Service brake indicates brake bind |3.7.D.2a| | 1 |
| Offside Inner Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Nearside Rear Anti-roll bar linkage rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Main beam `tell-tale` not working |1.7.4c| | 1 |
| Nearside Front Brake pipe kinked |3.6.B.2b| | 1 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 1 |
| Nearside Front Vehicle structure has excessive corrosion which adversely affects braking or steering inner flitch |6.1.A.1| | 1 |
| Offside Front Vehicle structure has excessive corrosion which adversely affects braking or steering inner flitch |6.1.A.1| | 1 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Offside Front Brake hose bulging under pressure |3.6.B.3| | 1 |
| Nearside Front Seat belt locking mechanism does not secure or release |5.2.5a| | 1 |
| Nearside Rear passenger seat cannot be secured in the upright position. |6.2.3| | 1 |
| Offside Rear passenger seat cannot be secured in the upright position. |6.2.3| | 1 |
| Nearside Front Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Offside Front Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Nearside Front Body or chassis has an unsatisfactory modification, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Nearside Rear Sub-frame attachment bracket/mounting corroded and its strength is seriously reduced |2.4.G.1| | 1 |
| front brake binding |3.7.B.1| | 1 |
| Nearside Rear front brake binding |3.7.B.1| | 1 |
| Nearside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Offside Front Brake actuating linkage mounting prescribed area is excessively corroded |3.3.A.2| | 1 |
| Service brake: efficiency below requirements |3.7.C.1a| | 1 |
| Offside Stop lamp excessively damaged so that it is not visible from a reasonable distance |1.2.1d| | 1 |
| Nearside Front Seat belt retracting mechanism defective |5.2.5b| | 1 |
| Nearside Headlamp excessively damaged so that the light output is severely reduced |1.7.5a| | 1 |
| Offside Headlamp excessively damaged so that the light output is severely reduced |1.7.5a| | 1 |
| Nearside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 1 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 1 |
| Brake pedal creeps down while the pedal is held under pressure |3.3.B.1a| | 1 |
| Nearside Brake servo leaking |3.6.C.1c| | 1 |
| Nearside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings sill |6.1.B.2| | 1 |
| Centre Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 1 |
| Brake pedal has no servo assistance |3.3.B.2| | 1 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Centre Rear Body or chassis is cracked, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 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 |
| Centre Drag link end ball joint has excessive play |2.2.B.1f| | 1 |
| Position lamp switch faulty |1.1.A.1| | 1 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 1 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 1 |
| Windscreen washer not working | 1 |
| Offside Front Suspension component mounting prescribed area is inadequately repaired wheel arch (5.3.6 (a) (i)) | 1 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 1 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 1 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 1 |
| Nearside Rear Stop lamp not working (1.2.1b) | 1 |
| Offside Rear Stop lamp not working (1.2.1b) | 1 |
| Nearside Rear Brake hose twisted (3.6.B.4c) | 1 |
| Nearside Rear 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, 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 |
| Nearside Front Vehicle structure has excessive corrosion which adversely affects braking or steering (6.1.A.1) | 1 |
| Nearside Front Brake pipe fouled by moving parts (3.6.B.2a) | 1 |
| Brake master cylinder leaking (1.1.10 (b) (ii)) | 1 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 1 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Headlamp aim not tested (4.1.2 (b)) | 1 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |