| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 446 |
| Registration plate lamp issues | 250 |
| Windscreen wiper does not clear the windscreen effectively | 225 |
| Parking brake: efficiency below requirements |3.7.B.7| | 154 |
| Exhaust emits an excessive level of metered smoke for a non-turbo charged engine |7.4.B.3b| | 144 |
| Brakes imbalanced across an axle | 123 |
| Offside Rear fog lamp not working |1.3.2b| | 110 |
| Rear parking brake recording little or no effort | 84 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 64 |
| Brake pipe excessively corroded | 59 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 55 |
| Offside Side repeater not working |1.4.A.2c| | 51 |
| Rear fog lamp not working |1.3.2b| | 49 |
| Nearside Stop lamp not working |1.2.1b| | 48 |
| Nearside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 47 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 46 |
| Service brake: efficiency below requirements |3.7.B.7| | 46 |
| Nearside Headlamp not working on main beam |1.7.5a| | 46 |
| Offside Stop lamp not working |1.2.1b| | 46 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 45 |
| Rear brake binding | 44 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 42 |
| Nearside Side repeater not working |1.4.A.2c| | 40 |
| Horn not working |1.6.2a| | 40 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 39 |
| Nearside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 39 |
| Offside Headlamp not working on main beam |1.7.5a| | 39 |
| Rear fog lamp tell tale not working |1.3.1b| | 39 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 38 |
| Rear brake application uneven | 37 |
| Nearside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 37 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 36 |
| Nearside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 35 |
| Power steering component|s| leaking |2.3.3b| | 34 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 33 |
| Offside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 32 |
| Front brake disc in such a condition that it is seriously weakened | 32 |
| Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 30 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 29 |
| Offside Front Direction indicator not working |1.4.A.2c| | 29 |
| Front brake application uneven | 28 |
| Nearside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 27 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 27 |
| Registration plate issues | 26 |
| Offside Front Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 25 |
| Front Windscreen wiper not operating automatically when switched on |8.2.1b| | 24 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 24 |
| Nearside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 23 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 23 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 23 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 23 |
| Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 22 |
| Nearside Front Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 22 |
| Nearside Windscreen wiper not operating automatically when switched on |8.2.1b| | 21 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 20 |
| Offside Headlamp insecure |1.7.3| | 20 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 20 |
| Brake master cylinder/servo mounting prescribed area is excessively corroded |3.6.C.3| | 20 |
| Offside Windscreen wiper not operating automatically when switched on |8.2.1b| | 20 |
| Nearside Front Side repeater not working |1.4.A.2c| | 19 |
| Nearside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 19 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 19 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 19 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 18 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 18 |
| Hazard warning switch faulty |1.4.B.1d| | 18 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 17 |
| Offside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 17 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 17 |
| Nearside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 17 |
| Battery insecure |1.9.1| | 17 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 16 |
| Rear Rear fog lamp not working |1.3.2b| | 16 |
| Fuel system component leaking |7.2.3| | 16 |
| Offside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 16 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 16 |
| Offside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 16 |
| Nearside Rear Stop lamp not working |1.2.1b| | 15 |
| Nearside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 15 |
| Exhaust system not adequately supported |7.1.1| | 15 |
| Offside Front Side repeater not working |1.4.A.2c| | 14 |
| Offside Rear Stop lamp not working |1.2.1b| | 14 |
| Front passenger door cannot be opened from outside the vehicle |6.2.B.1b| | 14 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 14 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 14 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 14 |
| Offside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 14 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 14 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 13 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 13 |
| Parking brake lever has no reserve travel |3.1.6b| | 13 |
| Offside Front Upper Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 13 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 13 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 13 |
| Offside front brake binding |3.7.B.1| | 12 |
| Nearside Rear Leaf spring has excessive wear in a shackle pin and/or bush |2.4.B.2| | 12 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 12 |
| Steering column top bearing excessively worn |2.1.2c| | 12 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 12 |
| Emissions not tested |7.0| | 12 |
| Direction indicators not working |1.4.A.2c| | 12 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 12 |
| Offside Front Brake master cylinder/servo mounting prescribed area is excessively corroded |3.6.C.3| | 12 |
| Offside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 12 |
| Steering system has excessive free play detected at the steering wheel |steering box fitted| |2.2.A.1a| | 11 |
| Centre Stop lamp not working |1.2.1b| | 11 |
| Offside Front Power steering component|s| leaking |2.3.3b| | 11 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 11 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 11 |
| Brake hose excessively deteriorated | 11 |
| Offside Front Shock absorber has an excessively worn bush |2.7.4| | 11 |
| Steering box insecure |2.2.B.1a| | 11 |
| Nearside Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 11 |
| Offside Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 11 |
| Nearside Headlamp insecure |1.7.3| | 11 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 10 |
| Nearside Front Upper Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 10 |
| Windscreen has damage | 10 |
| Nearside Front Brake pipe inadequately clipped |3.6.B.1| | 10 |
| Centre Exhaust system not adequately supported |7.1.1| | 10 |
| Windscreen wiper not operating automatically when switched on |8.2.1b| | 10 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 10 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 10 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 10 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 10 |
| Bonnet cannot be secured in the closed position |8.4.1| | 10 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 10 |
| Offside Windscreen wiper not operating over a large enough area to give an adequate view |8.2.1c| | 9 |
| Offside Rear Shock absorber has an excessively worn bush |2.7.4| | 9 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 9 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 9 |
| Offside Front Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 9 |
| Nearside Front Shock absorber has an excessively worn bush |2.7.4| | 9 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 9 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 9 |
| Steering box has relative movement between sector shaft and the drop arm |2.2.B.1b| | 9 |
| Hazard warning lamps inoperative |1.4.B.1b| | 9 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 8 |
| Power steering component|s| leaking from a failed seal |2.3.3b| | 8 |
| Front Sub-frame corroded and seriously weakened |2.4.G.1| | 8 |
| Nearside Windscreen wiper not operating over a large enough area to give an adequate view |8.2.1c| | 8 |
| Offside Front Shock absorber insecure |2.7.2b| | 8 |
| Offside Front Lower Shock absorber has an excessively worn bush |2.7.4| | 8 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 8 |
| Nearside Front Body has a sharp edge caused by corrosion |6.1.C.1| | 8 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 8 |
| Nearside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 8 |
| Offside Front coil spring fractured |2.4.C.1a| | 8 |
| Windscreen wiper blade insecure | 8 |
| Brake pedal anti-slip provision worn smooth |3.3.A.1b| | 8 |
| Nearside Front Shock absorber insecure |2.7.2b| | 8 |
| Headlamp aim not tested |1.8.A.1c| | 8 |
| Driver`s door cannot be opened from outside the vehicle |6.2.B.1b| | 8 |
| Nearside front brake binding |3.7.B.1| | 8 |
| Windscreen washer not working | 8 |
| Driver`s seat insecure |6.2.A.1| | 7 |
| Offside Front Brake pipe inadequately supported |3.6.B.1| | 7 |
| Offside Front Steering component mounting prescribed area is fractured |2.2.C.1h| | 7 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 7 |
| Horn not loud enough to be heard by another road user |1.6.2b| | 7 |
| Steering component mounting prescribed area is fractured |2.2.C.1h| | 7 |
| Rear Stop lamp not working |1.2.1b| | 7 |
| Main beam `tell-tale` not working |1.7.4c| | 7 |
| Front passenger door cannot be opened from inside the vehicle |6.2.B.1b| | 7 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 7 |
| Nearside Front Lower Shock absorber has an excessively worn bush |2.7.4| | 7 |
| Brake pedal spongy |3.3.B.1b| | 7 |
| Offside Rear passenger door cannot be opened from outside the vehicle |6.2.B.1c| | 7 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 7 |
| Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 7 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 7 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 7 |
| 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| | 7 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 7 |
| Nearside Rear Shock absorber has an excessively worn bush |2.7.4| | 7 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 6 |
| Fuel tank leaking |7.2.3| | 6 |
| Steering system excessively rough |2.2.D.1| | 6 |
| Fuel cap/sealing device does not fasten securely by positive means |7.2.4b| | 6 |
| Rear Exhaust system not adequately supported |7.1.1| | 6 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 6 |
| Windscreen has a sticker or other obstruction encroaching by more than 10mm within zone `A` |8.3.1b| | 6 |
| Nearside Front Brake pipe inadequately supported |3.6.B.1| | 6 |
| Offside Front Brake pipe inadequately clipped |3.6.B.1| | 6 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 6 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 6 |
| Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 6 |
| Offside Front Braking system leaking |3.6.A.1| | 6 |
| Offside Indicator tell tale inoperative |1.4.A.2a| | 6 |
| Nearside Rear Braking system leaking |3.6.A.1| | 6 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 6 |
| Nearside Headlamp aim beam image too far to the right |1.6.B4| | 6 |
| Nearside Front Direction indicators not working |1.4.A.2c| | 6 |
| Power steering pump leaking from a failed seal |2.3.3b| | 6 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 6 |
| Offside Inner Front Track rod end ball joint has excessive play |2.2.B.1f| | 6 |
| All position lamps not working |1.1.A.3b| | 6 |
| Service brake: efficiency below requirements |3.7.C.1a| | 6 |
| Nearside Front Sub-frame corroded and seriously weakened |2.4.G.1| | 6 |
| Nearside Rear Lower Shock absorber has an excessively worn bush |2.7.4| | 6 |
| Offside Front brake caliper leaking |3.6.A.1| | 5 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 5 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 5 |
| Nearside Headlamp not working on main beam (4.1.1 (a) (ii)) | 5 |
| Nearside Front Steering system has a road wheel fouling a part of the vehicle |2.2.D.2a| | 5 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 5 |
| Nearside Front Headlamp insecure |1.7.3| | 5 |
| Nearside Rear Rear wheel bearing rough when rotated |2.6.1| | 5 |
| Centre Stop lamp emits other than a steady red light |1.2.1e| | 5 |
| Parking brake: efficiency below requirements |3.7.D.4| | 5 |
| Nearside Rear Body has a sharp edge caused by corrosion |6.1.C.1| | 5 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 5 |
| Stop lamp not working |1.2.1b| | 5 |
| Offside Front Fuel system component insecure |7.2.1| | 5 |
| Rear Mechanical brake component has restricted free movement | 5 |
| Driver`s door cannot be opened from inside the vehicle |6.2.B.1b| | 5 |
| Offside Front Upper Front suspension has excessive movement at a wishbone pin or bush |2.5.A.1c| | 5 |
| Steering box has a significant oil leak |2.2.D.2e| | 5 |
| Nearside Front brake caliper leaking |3.6.A.1| | 5 |
| Nearside Front Steering pivot point has excessive play |2.2.B.1g| | 5 |
| Nearside Front Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 5 |
| Nearside Front Steering arm has relative movement at its fixings |2.2.B.1h| | 5 |
| Offside Rear Rear wheel bearing has excessive play |2.6.2| | 5 |
| Centre Rear Statutory seat belt missing |5.1.1| | 5 |
| Offside Front Steering system has a road wheel fouling a part of the vehicle |2.2.D.2a| | 5 |
| Nearside Front Windscreen wiper not operating automatically when switched on |8.2.1b| | 5 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 5 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 5 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 5 |
| Nearside Rear Leaf spring has a deteriorated shackle pin rubber bush resulting in excessive movement |2.4.B.2| | 5 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 5 |
| Offside Rear Leaf spring has excessive wear in a shackle pin and/or bush |2.4.B.2| | 5 |
| Hazard warning switch inoperative |4.4.2 |a| |ii|| | 5 |
| Front Headlamp not working on dipped beam |1.7.5a| | 5 |
| Nearside Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 5 |
| Offside Rear Seat belt anchorage prescribed area is inadequately repaired |5.2.6| | 5 |
| Offside Drag link end ball joint has excessive play |2.2.B.1f| | 5 |
| Headlamp not working on dipped beam |1.7.5a| | 5 |
| Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 5 |