| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 328 |
| Exhaust emissions carbon monoxide content excessive |7.3.B.1a| | 241 |
| Brakes imbalanced across an axle | 174 |
| Windscreen wiper does not clear the windscreen effectively | 160 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 149 |
| Registration plate lamp issues | 144 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 140 |
| Parking brake: efficiency below requirements |3.7.B.7| | 125 |
| Rear parking brake recording little or no effort | 107 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 83 |
| Brake pipe excessively corroded | 79 |
| Rear brake binding | 76 |
| Brake hose excessively deteriorated | 75 |
| Horn not working |1.6.2a| | 72 |
| Offside Rear fog lamp not working |1.3.2b| | 64 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 63 |
| Service brake: efficiency below requirements |3.7.B.7| | 62 |
| Registration plate issues | 59 |
| Exhaust emissions hydrocarbon content excessive |7.3.B.1b| | 56 |
| Offside Steering rack gaiter split |2.2.D.2d| | 53 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 51 |
| Offside front brake binding |3.7.B.1| | 46 |
| Nearside Front Tie bar/rod rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 45 |
| Rear brake application uneven | 43 |
| Nearside front brake binding |3.7.B.1| | 42 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 39 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 37 |
| Offside Front Tie bar/rod rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 36 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 35 |
| Exhaust emissions carbon monoxide content excessive (8.2.1.2 (b)) | 35 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 35 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 34 |
| Nearside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 32 |
| Nearside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 32 |
| Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 32 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 31 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 30 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 29 |
| Offside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 28 |
| Nearside Stop lamp not working |1.2.1b| | 28 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 28 |
| Nearside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 28 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 28 |
| Windscreen washer not working | 27 |
| Offside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 27 |
| Nearside Front Steering rack gaiter split |2.2.D.2d| | 27 |
| Battery insecure |1.9.1| | 25 |
| Rear fog lamp not working |1.3.2b| | 25 |
| Offside Stop lamp not working |1.2.1b| | 25 |
| Offside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 24 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 24 |
| Offside Headlamp not working on main beam |1.7.5a| | 24 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 24 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 23 |
| Nearside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 22 |
| Front brake application uneven | 22 |
| Nearside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 22 |
| Nearside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 22 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 21 |
| Nearside Headlamp not working on main beam |1.7.5a| | 21 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 20 |
| Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 20 |
| Nearside Front front brake binding |3.7.B.1| | 20 |
| Offside Front front brake binding |3.7.B.1| | 20 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 19 |
| Offside Front Steering rack gaiter split |2.2.D.2d| | 19 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 19 |
| Nearside Front Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 19 |
| Nearside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 19 |
| Offside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 18 |
| Nearside Inner Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 18 |
| Nearside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 17 |
| Nearside Front Tie bar/rod has excessive play in a pin/bush |2.4.G.2| | 17 |
| Offside Inner Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 17 |
| Nearside Rear Stop lamp not working |1.2.1b| | 17 |
| Offside Front Brake master cylinder/servo mounting prescribed area is excessively corroded |3.6.C.3| | 16 |
| Brake pedal creeps down when held under pressure |3.3.B.1a| | 16 |
| Hazard warning switch faulty |1.4.B.1d| | 16 |
| Offside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 16 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 16 |
| Nearside Front Tie bar/rod synthetic bush deteriorated resulting in excessive movement |2.4.G.2| | 16 |
| Brake master cylinder/servo mounting prescribed area is excessively corroded |3.6.C.3| | 16 |
| Brake pedal spongy |3.3.B.1b| | 15 |
| Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b| | 15 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 15 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 15 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 15 |
| Offside Rear Stop lamp not working |1.2.1b| | 15 |
| Rear fog lamp tell tale not working |1.3.1b| | 15 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 14 |
| Mechanical brake component has restricted free movement | 14 |
| Nearside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 14 |
| Offside Front Tie bar/rod synthetic bush deteriorated resulting in excessive movement |2.4.G.2| | 14 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 14 |
| Offside Front Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 14 |
| Offside Front Tie bar/rod has excessive play in a pin/bush |2.4.G.2| | 13 |
| Rear Rear fog lamp not working |1.3.2b| | 13 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 13 |
| Exhaust emissions carbon monoxide content excessive |8.2.1.2 |b|| | 13 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 13 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 13 |
| Nearside Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 12 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 12 |
| Nearside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 12 |
| Exhaust system not adequately supported |7.1.1| | 12 |
| Fuel tank leaking |7.2.3| | 12 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 12 |
| Nearside Rear Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 12 |
| Windscreen wiper blade insecure | 11 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 11 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 11 |
| Emissions not tested |7.0| | 11 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 11 |
| Rear Brake hose bulging under pressure |3.6.B.3| | 11 |
| Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 11 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 10 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 10 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 10 |
| Parking brake lever has no reserve travel |3.1.6b| | 10 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 10 |
| Offside Rear Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 10 |
| Nearside Rear Suspension component mounting prescribed area is inadequately repaired |2.4.A.3| | 10 |
| Hazard warning lamps inoperative |1.4.B.1b| | 9 |
| Exhaust emissions hydrocarbon content excessive (8.2.1.2 (b)) | 9 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 9 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 9 |
| Offside Front coil spring incomplete |2.4.C.1a| | 9 |
| Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 9 |
| Offside Front Direction indicator not working |1.4.A.2c| | 9 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 9 |
| Offside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 9 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 8 |
| Offside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 8 |
| Offside Front Brake hose bulging under pressure |3.6.B.3| | 8 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 8 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 8 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 8 |
| Horn not working (7.7 (a)) | 8 |
| Nearside Rear Braking system leaking |3.6.A.1| | 8 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 8 |
| Offside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 8 |
| Nearside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 8 |
| Offside Steering arm has relative movement at its fixings |2.2.B.1h| | 8 |
| Nearside Outer Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 8 |
| Exhaust engine idle speed too high |7.3.A.2a| | 8 |
| Centre Exhaust system not adequately supported |7.1.1| | 7 |
| Offside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 7 |
| Nearside Rear Lower Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 7 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 7 |
| Driver`s seat insecure |6.2.A.1| | 7 |
| Offside Rear Braking system leaking |3.6.A.1| | 7 |
| Exhaust emits excessive dense blue smoke during acceleration |7.3.A.2c| | 7 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 7 |
| Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 7 |
| Offside Front Front wheel bearing rough when rotated |2.5.A.2| | 7 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 7 |
| Offside Rear Suspension component mounting prescribed area is inadequately repaired |2.4.A.3| | 7 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 7 |
| Offside Headlamp insecure |1.7.3| | 7 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 7 |
| Offside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 7 |
| Offside Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 7 |
| Fuel cap/sealing device does not fasten securely by positive means |7.2.4b| | 7 |
| Nearside Steering locking device missing |2.2.C.1g| | 7 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 7 |
| Nearside Rear Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 6 |
| Nearside Front Torque/reaction arm has a deteriorated rubber bush resulting in excessive movement |2.4.G.2| | 6 |
| Nearside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 6 |
| Offside Rear Body has a sharp edge caused by corrosion |6.1.C.1| | 6 |
| Offside Rear Lower Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 6 |
| Offside Inner Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 6 |
| Nearside Front Brake hose bulging under pressure |3.6.B.3| | 6 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 6 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 6 |
| Battery insecure and likely to fall from carrier (4.13 (a) (ii)) | 6 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 6 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 6 |
| Rear Stop lamp not working |1.2.1b| | 6 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 6 |
| Offside Front Headlamp insecure |1.7.3| | 6 |
| Nearside Front Upper Sub-frame rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 6 |
| Offside Front Upper Sub-frame rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 6 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 6 |
| Offside Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 6 |
| Rear Exhaust system not adequately supported |7.1.1| | 6 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 6 |
| Nearside Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b| | 6 |
| Nearside Front Shock absorber has negligible damping effect |2.7.5| | 6 |
| Offside Front Shock absorber has negligible damping effect |2.7.5| | 6 |
| Nearside Front Body has a sharp edge caused by damage |6.1.C.1| | 6 |
| Nearside Rear Coil spring not correctly located |2.4.C.2| | 6 |
| Direction indicators not working |1.4.A.2c| | 6 |
| Fuel system component leaking |7.2.3| | 6 |
| Nearside Inner Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 6 |
| Offside Rear Lower Trailing arm has excessive play in a pin/bush |2.4.G.2| | 6 |
| Nearside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 6 |