| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 151 |
| Registration plate lamp issues | 78 |
| Windscreen wiper does not clear the windscreen effectively | 62 |
| Parking brake: efficiency below requirements |3.7.B.7| | 53 |
| Rear brake binding | 46 |
| Brakes imbalanced across an axle | 44 |
| Brake pipe excessively corroded | 44 |
| Rear parking brake recording little or no effort | 36 |
| Rear brake application uneven | 35 |
| Offside Rear fog lamp not working |1.3.2b| | 32 |
| Registration plate issues | 31 |
| Service brake: efficiency below requirements |3.7.B.7| | 30 |
| Brake load sensing valve linkage defective and function impaired |3.6.E.3| | 19 |
| Horn not working |1.6.2a| | 16 |
| Parking brake lever has no reserve travel |3.1.6b| | 16 |
| Brake master cylinder/servo mounting prescribed area is excessively corroded |3.6.C.3| | 16 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 15 |
| Brake hose excessively deteriorated | 15 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 14 |
| Steering system has excessive free play detected at the steering wheel |steering box fitted| |2.2.A.1a| | 14 |
| Offside Front Brake master cylinder/servo mounting prescribed area is excessively corroded |3.6.C.3| | 13 |
| Fuel system component leaking |7.2.3| | 11 |
| Offside Headlamp aim beam image kick up to the offside |1.8| | 11 |
| Rear Mechanical brake component has restricted free movement | 11 |
| Indicator switch faulty |1.4.A.1| | 11 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 11 |
| Offside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 11 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 11 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 11 |
| Brake load sensing valve linkage seized |3.6.E.3| | 10 |
| Exhaust system not adequately supported |7.1.1| | 10 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 10 |
| Rear fog lamp tell tale not working |1.3.1b| | 10 |
| Offside Front brake disc excessively pitted |3.5.1h| | 10 |
| Offside Stop lamp not working |1.2.1b| | 10 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 9 |
| Nearside Headlamp aim beam image kick up to the offside |1.8| | 9 |
| Rear Exhaust system not adequately supported |7.1.1| | 9 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 9 |
| Nearside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 9 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 9 |
| Rear fog lamp not working |1.3.2b| | 8 |
| Nearside Front Body has a sharp edge caused by corrosion |6.1.C.1| | 8 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 8 |
| Rear Drag link end ball joint has excessive play |2.2.B.1f| | 8 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 8 |
| Steering system excessively tight |2.2.D.1| | 8 |
| Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 8 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 8 |
| Nearside Stop lamp not working |1.2.1b| | 8 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 8 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 7 |
| Nearside Front Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 7 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 7 |
| Nearside Side repeater not working |1.4.A.2c| | 7 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 7 |
| Nearside Rear Stop lamp not working |1.2.1b| | 7 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 7 |
| Offside Front Body has a sharp edge caused by corrosion |6.1.C.1| | 6 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 6 |
| Nearside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 6 |
| Offside Front Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 6 |
| Nearside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 6 |
| Windscreen has damage | 6 |
| Nearside Front Leaf spring has excessive wear in a shackle pin and/or bush |2.4.B.2| | 6 |
| Front Drag link end ball joint has excessive play |2.2.B.1f| | 6 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 6 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 6 |
| Brake pedal spongy |3.3.B.1b| | 6 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 6 |
| Offside Side repeater not working |1.4.A.2c| | 5 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 5 |
| Offside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 5 |
| Nearside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 5 |
| Emissions not tested |7.0| | 5 |
| Front brake disc in such a condition that it is seriously weakened | 5 |
| Offside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 5 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 5 |
| Nearside Front Side repeater not working |1.4.A.2c| | 5 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 5 |
| Nearside Body has a sharp edge caused by corrosion |6.1.C.1| | 5 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 5 |
| Rear Rear fog lamp not working |1.3.2b| | 5 |
| Front passenger door cannot be opened from inside the vehicle |6.2.B.1b| | 5 |
| Offside Front Leaf spring has excessive wear in a shackle pin and/or bush |2.4.B.2| | 5 |
| Offside Front Steering component mounting prescribed area is excessively corroded |2.2.C.1h| | 5 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 5 |
| Nearside Front Lower Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 4 |
| Brake load sensing valve seized |3.6.E.3| | 4 |
| Nearside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 4 |
| Rear Brake load sensing valve linkage seized |3.6.E.3| | 4 |
| Drag link end ball joint has excessive play |2.2.B.1f| | 4 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 4 |
| Rear Exhaust has a part missing |7.1.1a| | 4 |
| Nearside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 4 |
| Offside Indicator tell tale inoperative |1.4.A.2a| | 4 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 4 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 4 |
| Rear Body has a sharp edge caused by corrosion |6.1.C.1| | 4 |
| Headlamp switch faulty |1.7.1| | 4 |
| Nearside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 4 |
| Offside Front Brake hose bulging under pressure |3.6.B.3| | 4 |
| Nearside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 4 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 4 |
| Offside Front Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a| | 4 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 4 |
| Driver`s seat insecure |6.2.A.1| | 4 |
| Nearside Front Direction indicator incomplete |1.5.A1b| | 4 |
| Offside Front Lower Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 3 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 3 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 3 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 3 |
| Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 3 |
| Nearside Steering lock stop incorrectly adjusted |2.2.D.2c| | 3 |
| Indicator tell tale inoperative |1.4.A.2a| | 3 |
| Offside Obligatory mirror insecure |8.1.1| | 3 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 3 |
| Exhaust has a part missing |7.1.1a| | 3 |
| Nearside Rear position lamp|s| excessively damaged so that it is not visible from a reasonable distance |1.1.A.3d| | 3 |
| Offside Rear position lamp|s| excessively damaged so that it is not visible from a reasonable distance |1.1.A.3d| | 3 |
| Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 3 |
| Exhaust emits an excessive level of metered smoke for a non-turbo charged engine |7.4.B.3b| | 3 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 3 |
| Offside Front Suspension component mounting prescribed area is inadequately repaired |2.4.A.3| | 3 |
| Nearside Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a| | 3 |
| Offside Front Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 3 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 3 |
| Nearside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 3 |
| Offside Brake master cylinder/servo mounting prescribed area is excessively corroded |3.6.C.3| | 3 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 3 |
| Offside Front Side repeater not working |1.4.A.2c| | 3 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 3 |
| Offside Rear Stop lamp not working |1.2.1b| | 3 |
| Front passenger seat insecure |6.2.3| | 3 |
| Nearside Front Side repeater incomplete |1.5.A1b| | 3 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 3 |
| Front Exhaust system not adequately supported |7.1.1| | 3 |
| rear brakes release unevenly |3.7.B.4| | 3 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 3 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 3 |
| Offside Drag link end ball joint has excessive play |2.2.B.1f| | 3 |
| Hazard warning switch faulty |1.4.B.1d| | 3 |
| Offside Front Direction indicator not working |1.4.A.2c| | 3 |
| Power steering malfunctioning |2.3.3a| | 3 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 3 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 3 |
| Nearside Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 3 |
| Front brake application uneven | 3 |
| Offside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 3 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 3 |
| Centre Statutory seat belt missing |5.1.1| | 3 |
| Fuel cap/sealing device does not fasten securely by positive means |7.2.4b| | 3 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 3 |
| Anti-lock braking system warning lamp indicates an ABS fault | 3 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 3 |
| Windscreen washer not working | 3 |
| Emissions not tested (8.2.2.2 (e)) | 3 |
| Nearside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Offside Rear Body has a sharp edge caused by damage |6.1.C.1| | 2 |
| Nearside Front Upper Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Offside Body has a sharp edge caused by corrosion |6.1.C.1| | 2 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 2 |
| Brake master cylinder/servo mounting prescribed area is inadequately repaired |3.6.C.3| | 2 |
| Nearside Rear Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 2 |
| Offside Steering lock stop incorrectly adjusted |2.2.D.2c| | 2 |
| Offside Rear position lamp|s| incomplete |1.1.4a| | 2 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 2 |
| Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 2 |
| Nearside Rear Body has a sharp edge caused by damage |6.1.C.1| | 2 |
| Offside Front Side repeater incomplete |1.5.A1b| | 2 |
| Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 2 |
| Offside Windscreen wiper not operating over a large enough area to give an adequate view |8.2.1c| | 2 |
| Bonnet retaining device ineffective |8.4.2| | 2 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 2 |
| Offside Rear fog lamp excessively damaged so that it is not visible from a reasonable distance |1.3.2d| | 2 |
| Indicator switch insecure |1.4.A.1| | 2 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 2 |
| Nearside Rear Leaf spring fractured |2.4.B.1a| | 2 |
| Offside Rear fog lamp insecure |1.3.2a| | 2 |
| Front Exhaust has part of the system excessively deteriorated |7.1.1a| | 2 |
| Brake hose damaged | 2 |
| Offside Headlamp excessively damaged so that the light output is severely reduced |1.7.5a| | 2 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 2 |
| brake disc excessively pitted |3.5.1h| | 2 |
| An item not tested |Manual| | 2 |
| Nearside Front Shock absorber has negligible damping effect |2.7.5| | 2 |
| Offside Front Shock absorber has negligible damping effect |2.7.5| | 2 |
| Offside Front Headlamp insecure |1.7.3| | 2 |
| Lower Brake master cylinder/servo mounting prescribed area is excessively corroded |3.6.C.3| | 2 |
| Nearside rear brake grabbing severely |3.7.A.5b| | 2 |
| Offside rear brake grabbing severely |3.7.A.5b| | 2 |
| Nearside Front Body has a projection caused by corrosion |6.1.C.1| | 2 |
| Nearside Headlamp not working on main beam |1.7.5a| | 2 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 2 |
| Nearside Front Body has a sharp edge caused by damage |6.1.C.1| | 2 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 2 |
| Front Windscreen wiper not operating automatically when switched on |8.2.1b| | 2 |
| Nearside Front Drag link end ball joint has excessive play |2.2.B.1f| | 2 |
| Offside Front Drag link end ball joint has excessive play |2.2.B.1f| | 2 |
| Rear Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 2 |
| Offside Seat belt locking mechanism does not secure or release |5.2.5a| | 2 |
| Nearside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 2 |
| Nearside Indicator tell tale inoperative |1.4.A.2a| | 2 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 2 |
| Offside Rear Leaf spring fractured |2.4.B.1a| | 2 |
| Front Body has a sharp edge caused by corrosion |6.1.C.1| | 2 |
| Nearside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 2 |
| Hazard warning switch inoperative |4.4.2 |a| |ii|| | 2 |
| Rear fog lamp not working |4.5.1 |a| |ii|| | 2 |
| Offside Outline marker lamp not working |4.2.1 |a|| | 2 |
| Offside Front Service brake excessively fluctuating |1.2.1 |e|| | 2 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 2 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 2 |
| Centre Exhaust system not adequately supported |7.1.1| | 2 |
| Nearside 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 |
| Parking brake: efficiency below requirements |3.7.D.4| | 2 |
| Nearside Rear Leaf spring cracked |2.4.B.1a| | 2 |
| Nearside Front Front wheel bearing rough when rotated |2.5.A.2| | 2 |
| Nearside Front Leaf spring has a deteriorated shackle pin rubber bush resulting in excessive movement |2.4.B.2| | 2 |
| Nearside Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Nearside Side repeater incomplete |1.5.A1b| | 2 |
| Nearside Rear Rear position lamp|s| incomplete |1.1.4a| | 2 |
| Dipswitch operation does not extinguish all main beam headlamps leaving at least one pair of dipped beam headlamps |1.7.4b| | 2 |
| Nearside Rear Direction indicator incomplete |1.5.A1b| | 2 |
| Nearside Front Lower Anti-roll bar linkage rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 2 |
| Brake pedal anti-slip provision incomplete |3.3.A.1b| | 2 |
| Offside Front Obligatory mirror insecure |8.1.1| | 2 |
| Power steering component|s| leaking |2.3.3b| | 2 |
| Offside Headlamp not working on main beam |1.7.5a| | 2 |
| Offside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 2 |
| Nearside Front Body has sharp edges or projections caused by corrosion or damage making the vehicle dangerous to other road users |6.5.10| | 2 |
| Position lamp switch insecure |1.1.A.1| | 2 |
| Offside 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 Brake pipe inadequately supported |3.6.B.1| | 2 |
| Front Fuel system component leaking |7.2.3| | 2 |
| Front Leaf spring has a deteriorated shackle pin rubber bush resulting in excessive movement |2.4.B.2| | 2 |
| Offside Rear reflector excessively deteriorated so that its function is impaired |1.5.1c| | 2 |
| Front Headlamp not working on main beam |1.7.5a| | 2 |
| Nearside Front Leaf spring fractured |2.4.B.1a| | 2 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 2 |
| Offside Front Lower Leaf spring has excessive wear in a shackle pin and/or bush |2.4.B.2| | 2 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 2 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 2 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 2 |
| Horn not working (7.7 (a) (ii)) | 2 |
| Brake performance not tested (1.2.1 (g)) | 2 |