| Most common failures | No# failures |
|---|
| Parking brake: efficiency below requirements |3.7.B.7| | 127 |
| Service brake: efficiency below requirements |3.7.B.7| | 113 |
| Headlamp aim out of alignment | 87 |
| Windscreen wiper does not clear the windscreen effectively | 82 |
| Brakes imbalanced across an axle | 71 |
| Registration plate lamp issues | 67 |
| Brake pipe excessively corroded | 61 |
| Brake hose excessively deteriorated | 59 |
| Rear parking brake recording little or no effort | 53 |
| Horn not working |1.6.2a| | 43 |
| Offside Rear fog lamp not working |1.3.2b| | 35 |
| Exhaust emits an excessive level of metered smoke for a non-turbo charged engine |7.4.B.3b| | 32 |
| Rear brake binding | 29 |
| Registration plate issues | 24 |
| Parking brake lever has no reserve travel |3.1.6b| | 18 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 18 |
| Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 16 |
| Fuel system component leaking |7.2.3| | 15 |
| Nearside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 15 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 15 |
| Nearside front brake binding |3.7.B.1| | 15 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 14 |
| Offside Stop lamp not working |1.2.1b| | 13 |
| Rear Exhaust system not adequately supported |7.1.1| | 13 |
| Offside front brake binding |3.7.B.1| | 12 |
| Exhaust system not adequately supported |7.1.1| | 11 |
| Rear fog lamp not working |1.3.2b| | 11 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 11 |
| Offside Front Parking brake mechanism/associated mounting prescribed area is excessively corroded |3.1.9| | 11 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 11 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 11 |
| Windscreen washer not working | 11 |
| Front brake application uneven | 11 |
| Windscreen has damage | 11 |
| Battery insecure |1.9.1| | 11 |
| Offside Headlamp not working on main beam |1.7.5a| | 10 |
| Nearside Stop lamp not working |1.2.1b| | 9 |
| Offside Rear fog lamp missing |1.3.2a| | 9 |
| Parking brake lever ratchet mechanism is broken |3.1.5| | 9 |
| Nearside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 9 |
| Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 9 |
| Brake load sensing valve linkage seized |3.6.E.3| | 9 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 9 |
| Rear Stop lamp not working |1.2.1b| | 9 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 9 |
| Rear brake application uneven | 9 |
| Rear fog lamp tell tale not working |1.3.1b| | 9 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 9 |
| Nearside Front front brake binding |3.7.B.1| | 9 |
| Hazard warning switch faulty |1.4.B.1d| | 9 |
| Rear Brake load sensing valve linkage seized |3.6.E.3| | 8 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 8 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 8 |
| Nearside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 8 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 7 |
| Horn not working (7.7 (a) (ii)) | 7 |
| Offside Front Body has a sharp edge caused by corrosion |6.1.C.1| | 7 |
| Brake hose damaged | 7 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 7 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 7 |
| Nearside Headlamp not working on main beam |1.7.5a| | 7 |
| Emissions not tested |7.0| | 7 |
| Offside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 7 |
| Parking brake mechanism/associated mounting prescribed area is excessively corroded |3.1.9| | 7 |
| Parking brake lever ratchet mechanism is excessively worn |3.1.5| | 6 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 6 |
| Steering system has excessive free play detected at the steering wheel |steering box fitted| |2.2.A.1a| | 6 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 6 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 6 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 6 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 6 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 6 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 6 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 5 |
| Mechanical brake component has restricted free movement | 5 |
| Offside Headlamp aim beam image kick up to the offside |1.8| | 5 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 5 |
| Nearside Front Tie bar/rod rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 5 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 5 |
| Parking brake lever defective so that it cannot be satisfactorily operated |3.1.3c| | 5 |
| Offside Front Direction indicator not working |1.4.A.2c| | 5 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 5 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 5 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 5 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 5 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 5 |
| Driver`s seat insecure |6.2.A.1| | 4 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 4 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 4 |
| Offside Side repeater not working |1.4.A.2c| | 4 |
| Nearside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 4 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 4 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 4 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 4 |
| Nearside Headlamp not working on main beam (4.1.1 (a) (ii)) | 4 |
| Exhaust emissions carbon monoxide content excessive |7.3.B.1a| | 4 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 4 |
| Brake has no servo assistance |3.3.B.2| | 4 |
| Nearside Front Body has a sharp edge caused by corrosion |6.1.C.1| | 4 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 4 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 4 |
| Rear Rear fog lamp not working |1.3.2b| | 4 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 4 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 4 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Nearside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 4 |
| Nearside Headlamp aim beam image kick up to the offside |1.8| | 4 |
| Nearside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 4 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 4 |
| Nearside Outer Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 4 |
| Hazard warning switch inoperative |4.4.2 |a| |ii|| | 4 |
| Offside Rear Body has a sharp edge caused by corrosion |6.1.C.1| | 4 |
| Offside Rear Stop lamp not working |1.2.1b| | 4 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 4 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 4 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 4 |
| Front Front position lamp|s| not working |1.1.A.3b| | 3 |
| Nearside Front Brake hose twisted |found during steering lock to lock check| |2.2.D.2b| | 3 |
| Nearside Rear Leaf spring deteriorated and seriously weakened |2.4.B.1a| | 3 |
| Offside Rear Leaf spring deteriorated and seriously weakened |2.4.B.1a| | 3 |
| Offside Drag link end ball joint has excessive play |2.2.B.1f| | 3 |
| Offside Parking brake mechanism/associated mounting prescribed area is excessively corroded |3.1.9| | 3 |
| Rear Brake valve leaking |3.6.A.1| | 3 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 3 |
| Parking brake lever releases when knocked |3.1.6a| | 3 |
| Parking brake is not capable of being maintained in operation by direct mechanical action only |3.1.2| | 3 |
| Offside Front Tie bar/rod rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Offside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 3 |
| Offside Front Headlamp insecure |1.7.3| | 3 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Parking brake lever has excessive side play in the pivot and may disengage |3.1.4a| | 3 |
| Offside Front Upper Suspension arm pin or bush excessively worn |5.3.4 |a| |i|| | 3 |
| Direction indicators not in good working order |function impaired| |1.5.A1b| | 3 |
| Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 3 |
| Steering component mounting prescribed area is excessively corroded |2.2.C.1h| | 3 |
| rear brakes release unevenly |3.7.B.4| | 3 |
| Fuel tank leaking |7.2.3| | 3 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 3 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 3 |
| Stop lamp(s) all not working (4.3.1 (a) (iii)) | 3 |
| Front Windscreen wiper not operating automatically when switched on |8.2.1b| | 3 |
| Driver`s seat fore and aft adjustment mechanism not functioning as intended. |6.2.A.3| | 3 |
| Brake load sensing valve seized and ABS not fitted or inoperative |1.1.17 |c| |ii|| | 3 |
| Offside Front coil spring fractured |2.4.C.1a| | 3 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 3 |
| Offside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 3 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Nearside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 3 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 3 |
| Nearside Rear Stop lamp not working |1.2.1b| | 3 |
| Offside Front brake disc excessively pitted |3.5.1h| | 3 |
| Front brake disc in such a condition that it is seriously weakened | 3 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 3 |
| Brake load sensing valve seized |3.6.E.3| | 3 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 3 |
| Nearside Front Front wheel bearing rough when rotated |2.5.A.2| | 3 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 3 |
| Rear Exhaust mounting missing |7.1.1b| | 3 |
| Rear Brake hose bulging under pressure |3.6.B.3| | 3 |
| Offside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 3 |
| Nearside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 3 |
| Offside Rear reflector missing |1.5.1a| | 3 |
| Nearside Front Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 3 |
| Stop lamp not working |1.2.1b| | 3 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 3 |
| Brake valve leaking |3.6.A.1| | 3 |
| Hazard warning lamps inoperative |1.4.B.1b| | 3 |
| Brake load sensing valve seized and ABS not fitted or inoperative (1.1.17 (c) (ii)) | 3 |
| Nearside Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 3 |
| Offside 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 fog lamp not working |4.5.1 |a| |ii|| | 3 |
| Offside Front front brake binding |3.7.B.1| | 3 |
| Nearside Front Shock absorber has negligible damping effect |2.7.5| | 2 |
| Offside Front Shock absorber has negligible damping effect |2.7.5| | 2 |
| Rear Service brake: efficiency below requirements |3.7.B.7| | 2 |
| Offside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 2 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 2 |
| Offside Front Track rod end ball joint dust cover insecure so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 2 |
| Offside Rear fog lamp insecure |1.3.2a| | 2 |
| Offside Body has a sharp edge caused by corrosion |6.1.C.1| | 2 |
| Nearside Body has a sharp edge caused by corrosion |6.1.C.1| | 2 |
| Nearside Front brake disc has restricted free movement |3.5.1j| | 2 |
| Offside Front Seat belt has a cut which has significantly weakened the webbing |5.2.2a| | 2 |
| Offside Headlamp not working on main beam |4.1.1 |a| |ii|| | 2 |
| Offside Front Direction indicator not working |4.4.1 |a| |ii|| | 2 |
| Parking brake lever, pawl mechanism pivots or their associated mountings are insecure |3.1.4b| | 2 |
| Offside Hazard warning lamps inoperative |1.4.B.1b| | 2 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 2 |
| Fuel system component insecure |7.2.1| | 2 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 2 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 2 |
| Brake pedal has no servo assistance |3.3.B.2| | 2 |
| Steering column top bearing excessively worn |2.1.2c| | 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 |
| Parking brake lever is located so that it cannot be satisfactorily operated from the driver`s seat |3.1.3c| | 2 |
| Nearside front brake recording little or no effort |3.7.B.5a| | 2 |
| Offside front brake recording little or no effort |3.7.B.5a| | 2 |
| Fuel cap/sealing device ineffective (6.1.3 (b) (i)) | 2 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 2 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 2 |
| Offside Front Seat belt anchorage prescribed area strength or continuity significantly reduced |7.1.1 |a| |i|| | 2 |
| Nearside Front Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 2 |
| Speedometer clearly inoperative (7.8 (b) (ii)) | 2 |
| Offside Front Service brake lagging in operation (1.2.1 (d)) | 2 |
| Offside Rear Service brake lagging in operation (1.2.1 (d)) | 2 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 2 |
| Offside Stop lamp adversely affected by the operation of another lamp |1.2.1f| | 2 |
| Front Drag link end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 2 |
| Offside Statutory seat belt missing |5.1.1| | 2 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 2 |
| rear brake recording little or no effort |3.7.B.5a| | 2 |
| Offside Front Front wheel bearing rough when rotated |2.5.A.2| | 2 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 2 |
| Offside Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Centre Front Seat belt locking mechanism does not secure or release |5.2.5a| | 2 |
| Offside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Brake pedal spongy |3.3.B.1b| | 2 |
| Centre Front Statutory seat belt missing |5.1.1| | 2 |
| Offside Front Steering pivot point has excessive play |2.2.B.1g| | 2 |
| Centre Exhaust mounting missing |7.1.1b| | 2 |
| Windscreen wiper blade insecure | 2 |
| An item not tested |Manual| | 2 |
| Nearside Front front brake recording little or no effort |3.7.B.5a| | 2 |
| Offside Front front brake recording little or no effort |3.7.B.5a| | 2 |
| Nearside Rear Leaf spring fractured |2.4.B.1a| | 2 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 2 |
| Service brake efficiency less than 50% of the required value |1.2.2 |a| |ii|| | 2 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 2 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 2 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 2 |
| Nearside Front Upper Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 2 |
| Offside Front Upper Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 2 |
| Offside Front Steering component mounting prescribed area is excessively corroded |2.2.C.1h| | 2 |
| Nearside Front Direction indicators not working |1.4.A.2c| | 2 |
| Offside Rear Leaf spring fractured |2.4.B.1a| | 2 |
| Nearside Rear Service brake has no recorded effort at a wheel (1.2.1 (a) (ii)) | 2 |
| Rear Service brake excessively fluctuating (1.2.1 (e)) | 2 |
| Braking system leaking |3.6.A.1| | 2 |
| Offside Headlamp insecure |1.7.3| | 2 |
| Nearside Rear Direction indicator adversely affected by the operation of another lamp |1.4.A.2h| | 2 |
| Offside Ball joint has excessive play |2.2.B.1f| | 2 |
| Front passenger seat insecure |6.2.3| | 2 |
| Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Windscreen wiper not operating automatically when switched on |8.2.1b| | 2 |
| Rear Mechanical brake component has restricted free movement | 2 |
| Nearside Rear Direction indicator excessively damaged so that it is not visible from a reasonable distance |1.4.A.2e| | 2 |
| Hazard warning tell tale not working correctly |1.4.B.1e| | 2 |
| Offside Front Brake back plate|s| securing device excessively deteriorated |3.5.1j| | 2 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 2 |
| Offside Outer Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 2 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 2 |
| Offside Front Obligatory mirror insecure |8.1.1| | 2 |
| Horn not working |7.7 |a| |ii|| | 2 |
| Rear fog lamp switch inoperative |4.5.3 |a| |ii|| | 2 |
| Nearside Rear Position lamp not working |4.2.1 |a|| | 2 |
| Nearside Rear reflector missing |1.5.1a| | 2 |
| Rear fog lamp missing |1.3.2a| | 2 |
| Offside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 2 |
| Offside Front Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 2 |
| Nearside Front Braking system leaking caliper |3.6.A.1| | 2 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 2 |
| Offside Headlamp aim not tested |1.8.A.1c| | 2 |
| Brake pedal has insufficient reserve movement |3.3.A.5| | 2 |
| Offside Front Brake pipe inadequately clipped |3.6.B.1| | 2 |
| Nearside Front Brake pipe leaking |3.6.A.1| | 2 |
| Horn not working (7.7 (a)) | 2 |
| Windscreen wiper not working (3.4 (a)) | 2 |
| Steering box has excessive free play detected at the steering wheel (steering box fitted) (2.3 (a) (i)) | 2 |
| Brake rod excessively corroded and seriously weakened |3.5.1e| | 2 |
| Offside Front Service brake excessively binding |1.2.1 |f|| | 2 |
| Oil leaking excessively from engine (8.4.1 (a) (i)) | 2 |
| Offside Rear Leaf spring to axle securing nut insecure |2.4.B.7b| | 2 |
| Front Headlamp not working on dipped beam |1.7.5a| | 2 |
| Rear Brake pipe inadequately clipped |3.6.B.1| | 2 |
| Offside Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 2 |
| Offside Front Shock absorber detached |2.7.2b| | 2 |
| Nearside Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 2 |
| Nearside Front suspension ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 2 |
| Service brake efficiency below requirements |1.2.2 |a| |i|| | 2 |
| Parking brake lever defective so that it cannot be satisfactorily operated (1.1.6 (d)) | 2 |
| Battery insecure and likely to cause a short circuit (4.13 (a) (ii)) | 2 |
| Nearside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Stop lamp|s| all not working |4.3.1 |a| |iii|| | 2 |
| 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| | 2 |
| Nearside Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 2 |
| Nearside Headlamp insecure |1.7.3| | 2 |
| Nearside Front Seat belt locking mechanism does not secure or release |5.2.5a| | 2 |
| Horn not loud enough to be heard by another road user |1.6.2b| | 2 |
| Offside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Brake pedal anti-slip provision incomplete |3.3.A.1b| | 2 |
| Nearside Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 2 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 2 |