| Most common failures | No# failures |
|---|
| Parking brake: efficiency below requirements |3.7.B.7| | 252 |
| Service brake: efficiency below requirements |3.7.B.7| | 175 |
| Brake pipe excessively corroded | 145 |
| Headlamp aim out of alignment | 127 |
| Windscreen wiper does not clear the windscreen effectively | 125 |
| Brake hose excessively deteriorated | 114 |
| Registration plate lamp issues | 108 |
| Rear parking brake recording little or no effort | 106 |
| Brakes imbalanced across an axle | 92 |
| Offside Rear fog lamp not working |1.3.2b| | 45 |
| Horn not working |1.6.2a| | 38 |
| Brake load sensing valve linkage seized |3.6.E.3| | 34 |
| Exhaust emits an excessive level of metered smoke for a non-turbo charged engine |7.4.B.3b| | 34 |
| Rear brake binding | 31 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 30 |
| Offside Side repeater not working |1.4.A.2c| | 28 |
| Nearside Side repeater not working |1.4.A.2c| | 28 |
| Offside Headlamp not working on main beam |1.7.5a| | 27 |
| Fuel system component leaking |7.2.3| | 27 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 27 |
| Registration plate issues | 27 |
| Offside front brake binding |3.7.B.1| | 26 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 25 |
| Parking brake lever has no reserve travel |3.1.6b| | 24 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 23 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 22 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 22 |
| Nearside Headlamp not working on main beam |1.7.5a| | 22 |
| Offside Stop lamp not working |1.2.1b| | 22 |
| Rear fog lamp tell tale not working |1.3.1b| | 21 |
| Rear brake application uneven | 21 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 20 |
| Nearside Stop lamp not working |1.2.1b| | 19 |
| Nearside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 19 |
| Nearside front brake binding |3.7.B.1| | 17 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 16 |
| Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 15 |
| Parking brake is not capable of being maintained in operation by direct mechanical action only |3.1.2| | 14 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 14 |
| Rear Brake load sensing valve linkage seized |3.6.E.3| | 14 |
| Hazard warning switch faulty |1.4.B.1d| | 14 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 13 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 13 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 13 |
| Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 13 |
| Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 12 |
| Nearside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 12 |
| Windscreen washer not working | 12 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 12 |
| Steering system has excessive free play detected at the steering wheel |steering box fitted| |2.2.A.1a| | 12 |
| Brake load sensing valve seized |3.6.E.3| | 12 |
| Windscreen has damage | 12 |
| Nearside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 11 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 11 |
| Offside Front Parking brake mechanism/associated mounting prescribed area is excessively corroded |3.1.9| | 11 |
| Nearside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 11 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 11 |
| Nearside Front Body has a sharp edge caused by corrosion |6.1.C.1| | 11 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 11 |
| Rear Exhaust system not adequately supported |7.1.1| | 11 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 10 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 10 |
| Offside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 10 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 10 |
| Nearside Front Side repeater not working |1.4.A.2c| | 10 |
| Offside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 10 |
| Nearside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 10 |
| Emissions not tested |7.0| | 10 |
| Nearside Front Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 10 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 10 |
| Rear fog lamp not working |1.3.2b| | 10 |
| Nearside Headlamp insecure |1.7.3| | 10 |
| Parking brake mechanism/associated mounting prescribed area is excessively corroded |3.1.9| | 9 |
| Nearside Side repeater missing |1.4.A.2b| | 9 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 9 |
| Exhaust system not adequately supported |7.1.1| | 9 |
| Offside Headlamp insecure |1.7.3| | 9 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 9 |
| Offside Front Direction indicator not working |1.4.A.2c| | 9 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 9 |
| Offside Rear fog lamp missing |1.3.2a| | 9 |
| Offside Front Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 9 |
| Parking brake lever ratchet mechanism is broken |3.1.5| | 9 |
| Brake hose damaged | 9 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 8 |
| Centre Statutory seat belt missing |5.1.1| | 8 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 8 |
| Mechanical brake component has restricted free movement | 8 |
| Offside Front Body has a sharp edge caused by corrosion |6.1.C.1| | 8 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 8 |
| Service brake efficiency below requirements |1.2.2 |a| |i|| | 8 |
| Indicator tell tale inoperative |1.4.A.2a| | 8 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 8 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 8 |
| Offside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 8 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 7 |
| Battery insecure |1.9.1| | 7 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 7 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 7 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 7 |
| Fuel tank leaking |7.2.3| | 7 |
| Front brake application uneven | 7 |
| Nearside Front Body has a sharp edge caused by damage |6.1.C.1| | 7 |
| Nearside Rear Body has a sharp edge caused by damage |6.1.C.1| | 7 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 7 |
| Front brake disc in such a condition that it is seriously weakened | 7 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 7 |
| Rear Rear fog lamp not working |1.3.2b| | 7 |
| Offside Front coil spring fractured |2.4.C.1a| | 7 |
| Offside Rear Stop lamp not working |1.2.1b| | 6 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 6 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 6 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 6 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 6 |
| Brake pedal anti-slip provision incomplete |3.3.A.1b| | 6 |
| Nearside Rear Body has a sharp edge caused by corrosion |6.1.C.1| | 6 |
| Main beam `tell-tale` not working |1.7.4c| | 6 |
| Offside Front Side repeater not working |1.4.A.2c| | 6 |
| Speedometer cannot be illuminated. |6.7.3| | 6 |
| Nearside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 6 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 6 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 6 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 6 |
| Offside Front front brake binding |3.7.B.1| | 6 |
| Parking brake lever ratchet mechanism is excessively worn |3.1.5| | 6 |
| Nearside Front Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 6 |
| Brake pedal spongy |3.3.B.1b| | 6 |
| Nearside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 6 |
| Brake performance not tested |3.7.A.1| | 6 |
| Stop lamp not working |1.2.1b| | 5 |
| Nearside Rear Stop lamp not working |1.2.1b| | 5 |
| Brake hose has insufficient room to move | 5 |
| Rear Brake load sensing valve seized |3.6.E.3| | 5 |
| Offside Parking brake mechanism/associated mounting prescribed area is excessively corroded |3.1.9| | 5 |
| Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 5 |
| Nearside Front Tie bar/rod rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 5 |
| Horn not loud enough to be heard by another road user |1.6.2b| | 5 |
| Nearside Front front brake binding |3.7.B.1| | 5 |
| Offside Ball joint has excessive play |2.2.B.1f| | 5 |
| Parking brake lever has excessive side play in the pivot and may disengage |3.1.4a| | 5 |
| Offside Front brake disc excessively pitted |3.5.1h| | 5 |
| Parking brake lever defective so that it cannot be satisfactorily operated |3.1.3c| | 5 |
| Rear Mechanical brake component has restricted free movement | 5 |
| Direction indicators not working |1.4.A.2c| | 5 |
| Hazard warning tell tale not working correctly |1.4.B.1e| | 5 |
| Horn not working (7.7 (a) (ii)) | 5 |
| Offside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 5 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 5 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 5 |
| Offside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 4 |
| Nearside Statutory seat belt missing |5.1.1| | 4 |
| Nearside Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 4 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 4 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 4 |
| Nearside Hazard warning lamps inoperative |1.4.B.1b| | 4 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 4 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 4 |
| Offside Front Steering arm has relative movement at its fixings |2.2.B.1h| | 4 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 4 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 4 |
| Nearside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 4 |
| Rear Drag link end ball joint has excessive play |2.2.B.1f| | 4 |
| Offside Front Brake hose excessively damaged |3.6.B.4d| | 4 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 4 |
| Nearside Front Service brake excessively binding |1.2.1 |f|| | 4 |
| Offside Front Service brake excessively binding |1.2.1 |f|| | 4 |
| Offside Rear Body has a sharp edge caused by corrosion |6.1.C.1| | 4 |
| Offside Headlamp aim beam image kick up to the offside |1.8| | 4 |
| Nearside Front Lower Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 4 |
| Exhaust has a part missing |7.1.1a| | 4 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 4 |
| Offside Side repeater missing |1.4.A.2b| | 4 |
| Nearside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 4 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 4 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 4 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 4 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 4 |
| Horn not working |7.7 |a| |ii|| | 4 |
| Offside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 4 |
| Nearside Rear position lamp|s| excessively damaged so that it is not visible from a reasonable distance |1.1.A.3d| | 4 |
| Hazard warning lamps inoperative (4.4.1 (e)) | 4 |
| Driver`s seat fore and aft adjustment mechanism not functioning as intended. |6.2.A.3| | 4 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 4 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 4 |
| Hazard warning switch inoperative |4.4.2 |a| |ii|| | 4 |
| Hazard warning lamps inoperative |1.4.B.1b| | 4 |
| Exhaust emissions exceed level of metered smoke for a non-turbo charged engine (8.2.2.2 (b)) | 4 |
| Nearside Front coil spring fractured |2.4.C.1a| | 4 |
| Rear Brake valve leaking |3.6.A.1| | 4 |
| Offside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 3 |
| Front Windscreen wiper not operating automatically when switched on |8.2.1b| | 3 |
| Nearside Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a| | 3 |
| Offside Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a| | 3 |
| Nearside Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 3 |
| Nearside Front Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 3 |
| Rear Brake pipe inadequately supported |3.6.B.1| | 3 |
| Front brake excessively fluctuating | 3 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 3 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 3 |
| Offside Front Drag link end ball joint has excessive play |2.2.B.1f| | 3 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 3 |
| Offside Rear reflector missing |1.5.1a| | 3 |
| Parking brake lever, pawl mechanism pivots or their associated mountings are insecure |3.1.4b| | 3 |
| Nearside front brake recording little or no effort |3.7.B.5a| | 3 |
| Offside front brake recording little or no effort |3.7.B.5a| | 3 |
| Front Exhaust has part of the system excessively deteriorated |7.1.1a| | 3 |
| Brake pedal creeps down when held under pressure |3.3.B.1a| | 3 |
| Offside Front Anti-roll bar linkage rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Driver`s seat insecure |6.2.A.1| | 3 |
| Nearside Passenger`s seat insecure |6.2.A.1| | 3 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 3 |
| Offside Front coil spring incomplete |2.4.C.1a| | 3 |
| Brake lever has abnormal movement of levers indicating excessive wear |3.5.1f| | 3 |
| Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 3 |
| Nearside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 3 |
| Nearside Rear Vehicle structure excessively corroded within 30cm of towbar mounting |6.6.6| | 3 |
| Nearside Body has a sharp edge caused by corrosion |6.1.C.1| | 3 |
| Offside Body has a sharp edge caused by corrosion |6.1.C.1| | 3 |
| Steering column top bearing excessively worn |2.1.2c| | 3 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 3 |
| Nearside Rear Upper Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Brake valve leaking |3.6.A.1| | 3 |
| Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 3 |
| Nearside Rear Position lamp adversely affected by the operation of another lamp (4.2.3 (c)) | 3 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 3 |
| Exhaust tailpipe not capable of allowing the emission probe to be inserted |7.4.B.1| | 3 |
| Brake rod excessively corroded and seriously weakened |3.5.1e| | 3 |
| Offside Front Statutory seat belt missing |5.1.1| | 3 |
| Body has a sharp edge caused by damage |6.1.C.1| | 3 |
| Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 3 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 3 |
| Nearside Front Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 3 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 3 |
| Headlamp not working on main beam |1.7.5a| | 3 |
| Offside Front Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a| | 3 |
| Offside Front Upper Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Offside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 3 |
| Fuel pipe leaking |7.2.3| | 3 |
| Brake load sensing valve seized and ABS not fitted or inoperative (1.1.17 (c) (ii)) | 3 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 3 |
| Offside Rear fog lamp not working |4.5.1 |a| |ii|| | 3 |
| Offside Rear fog lamp adversely affected by the operation of another lamp |1.3.2f| | 3 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 3 |
| Offside Rear Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 3 |
| All position lamps not working |1.1.A.3b| | 3 |
| Nearside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 3 |
| Offside Steering pivot point has excessive play |2.2.B.1g| | 3 |
| Steering system excessively tight |2.2.D.1| | 3 |
| Offside Front Brake pipe inadequately clipped |3.6.B.1| | 3 |
| Offside Front Tie bar/rod rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Offside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 3 |
| Offside Rear Body has a sharp edge caused by damage |6.1.C.1| | 3 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 3 |
| Offside Headlamp aim not tested |1.8.A.1c| | 3 |
| Nearside Rear Service brake excessively binding |1.2.1 |f|| | 3 |
| Rear Exhaust mounting missing |7.1.1b| | 3 |
| Nearside Front Wheel nut|s| loose |4.2.A.1e| | 3 |