| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 407 |
| Service brake: efficiency below requirements |3.7.B.7| | 362 |
| Registration plate lamp issues | 347 |
| Parking brake: efficiency below requirements |3.7.B.7| | 311 |
| Windscreen wiper does not clear the windscreen effectively | 306 |
| Brake pipe excessively corroded | 275 |
| Rear brake application uneven | 166 |
| Rear parking brake recording little or no effort | 159 |
| Brakes imbalanced across an axle | 144 |
| Horn not working |1.6.2a| | 122 |
| Registration plate issues | 99 |
| Offside Rear fog lamp not working |1.3.2b| | 97 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 88 |
| Steering system has excessive free play detected at the steering wheel |steering box fitted| |2.2.A.1a| | 81 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 77 |
| Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 67 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 62 |
| Nearside Front Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a| | 61 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 55 |
| Front brake disc in such a condition that it is seriously weakened | 50 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 49 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 47 |
| Steering column top bearing excessively worn |2.1.2c| | 45 |
| Exhaust emits an excessive level of metered smoke for a non-turbo charged engine |7.4.B.3b| | 45 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 44 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 44 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 44 |
| Offside Front Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a| | 43 |
| Nearside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 43 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 42 |
| Offside Side repeater not working |1.4.A.2c| | 42 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 40 |
| Windscreen has damage | 39 |
| Offside Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a| | 39 |
| Rear fog lamp switch faulty |1.3.1a| | 39 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 38 |
| Offside Stop lamp not working |1.2.1b| | 38 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 37 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 37 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 37 |
| Nearside Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a| | 36 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 36 |
| Rear brake binding | 35 |
| Battery insecure |1.9.1| | 35 |
| Fuel system component leaking |7.2.3| | 34 |
| Offside Rear Body has a sharp edge caused by corrosion |6.1.C.1| | 34 |
| Nearside Side repeater not working |1.4.A.2c| | 34 |
| Nearside Front Shock absorber has an excessively worn bush |2.7.4| | 33 |
| Brake load sensing valve linkage seized |3.6.E.3| | 33 |
| Nearside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 33 |
| Rear fog lamp tell tale not working |1.3.1b| | 32 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 32 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 31 |
| Exhaust system not adequately supported |7.1.1| | 31 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 31 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 30 |
| Nearside Rear Body has a sharp edge caused by corrosion |6.1.C.1| | 30 |
| Offside Front brake disc excessively pitted |3.5.1h| | 29 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 28 |
| Parking brake lever has no reserve travel |3.1.6b| | 27 |
| Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 27 |
| Nearside Front Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 27 |
| Driver`s seat insecure |6.2.A.1| | 26 |
| Offside Headlamp insecure |1.7.3| | 26 |
| Emissions not tested |7.0| | 26 |
| Nearside Body has a sharp edge caused by corrosion |6.1.C.1| | 26 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 26 |
| Body has a sharp edge caused by corrosion |6.1.C.1| | 26 |
| Offside Front Leaf spring has excessive wear in a shackle pin and/or bush |2.4.B.2| | 25 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 25 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 25 |
| Offside Front Shock absorber has an excessively worn bush |2.7.4| | 25 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 25 |
| Offside Rear Shock absorber has an excessively worn bush |2.7.4| | 25 |
| Offside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 25 |
| Nearside Front Body has a sharp edge caused by corrosion |6.1.C.1| | 24 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 24 |
| Nearside Stop lamp not working |1.2.1b| | 24 |
| Nearside Rear Shock absorber has an excessively worn bush |2.7.4| | 24 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 23 |
| Offside Front Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 23 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 22 |
| Nearside Front Lower Shock absorber has an excessively worn bush |2.7.4| | 22 |
| Nearside front brake binding |3.7.B.1| | 22 |
| Nearside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 22 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 21 |
| Steering box has relative movement between sector shaft and the drop arm |2.2.B.1b| | 21 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 21 |
| Rear Drag link end ball joint has excessive play |2.2.B.1f| | 21 |
| Offside Headlamp excessively damaged so that the light output is severely reduced |1.7.5a| | 20 |
| Front brake application uneven | 20 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 20 |
| Offside Front Steering component mounting prescribed area is excessively corroded |2.2.C.1h| | 20 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 19 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 19 |
| Steering system excessively tight |2.2.D.1| | 19 |
| Rear Brake load sensing valve linkage seized |3.6.E.3| | 19 |
| Nearside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 19 |
| Centre Statutory seat belt missing |5.1.1| | 19 |
| Bonnet cannot be secured in the closed position |8.4.1| | 18 |
| Front passenger door cannot be opened from outside the vehicle |6.2.B.1b| | 18 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 18 |
| rear brakes release unevenly |3.7.B.4| | 18 |
| Nearside Headlamp not working on main beam |1.7.5a| | 18 |
| Rear Exhaust system not adequately supported |7.1.1| | 18 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 18 |
| Offside Drag link end ball joint has excessive play |2.2.B.1f| | 18 |
| Offside Front Lower Shock absorber has an excessively worn bush |2.7.4| | 17 |
| Offside Front Body has a sharp edge caused by corrosion |6.1.C.1| | 17 |
| Hazard warning switch faulty |1.4.B.1d| | 17 |
| Offside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 17 |
| Offside Front Drag link end ball joint has excessive play |2.2.B.1f| | 17 |
| Offside Headlamp not working on main beam |1.7.5a| | 17 |
| Nearside Headlamp insecure |1.7.3| | 17 |
| Nearside Front Leaf spring has excessive wear in a shackle pin and/or bush |2.4.B.2| | 16 |
| Fuel tank leaking |7.2.3| | 16 |
| Offside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 16 |
| Offside Rear Lower Shock absorber has an excessively worn bush |2.7.4| | 16 |
| Nearside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 16 |
| Front Drag link end ball joint has excessive play |2.2.B.1f| | 16 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 16 |
| Nearside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 15 |
| Nearside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 15 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 15 |
| Rear Rear fog lamp not working |1.3.2b| | 15 |
| Front passenger seat insecure |6.2.3| | 15 |
| Centre Exhaust system not adequately supported |7.1.1| | 14 |
| Nearside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 14 |
| Offside Front Side repeater not working |1.4.A.2c| | 14 |
| Exhaust has a part missing |7.1.1a| | 14 |
| Windscreen wiper blade insecure | 14 |
| Nearside Front Side repeater not working |1.4.A.2c| | 14 |
| Front Exhaust system not adequately supported |7.1.1| | 14 |
| Nearside Front Lower Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 13 |
| Nearside Front front brake binding |3.7.B.1| | 13 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 13 |
| Offside Rear Stop lamp not working |1.2.1b| | 13 |
| Nearside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 13 |
| Offside Front Seat belt retracting mechanism defective |5.2.5b| | 13 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 13 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 13 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 13 |
| Nearside Headlamp excessively damaged so that the light output is severely reduced |1.7.5a| | 13 |
| Rear fog lamp not working |1.3.2b| | 13 |
| Offside front brake binding |3.7.B.1| | 13 |
| Front Body has a sharp edge caused by corrosion |6.1.C.1| | 13 |
| Power steering component|s| leaking |2.3.3b| | 13 |
| Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 13 |
| Offside Front front brake binding |3.7.B.1| | 12 |
| Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 12 |
| Nearside Rear Braking system leaking |3.6.A.1| | 12 |
| Rear Body has a sharp edge caused by corrosion |6.1.C.1| | 12 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 12 |
| Brake hydraulic reservoir fluid level below minimum level |3.6.G.1b| | 12 |
| Power steering pump drive system defective |2.3.6| | 12 |
| Nearside Rear Lower Shock absorber has an excessively worn bush |2.7.4| | 12 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 12 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 11 |
| Offside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 11 |
| Nearside Front Seat belt retracting mechanism defective |5.2.5b| | 11 |
| Nearside Front Statutory seat belt missing |5.1.1| | 11 |
| Steering box insecure |2.2.B.1a| | 11 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 11 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 11 |
| Brake hose excessively deteriorated | 11 |
| Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 11 |
| Offside Rear Body has a sharp edge caused by damage |6.1.C.1| | 11 |
| Front Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a| | 10 |
| Rear Exhaust has a part missing |7.1.1a| | 10 |
| Nearside Seat belt locking mechanism does not secure or release |5.2.5a| | 10 |
| Body insecure and dangerous to other road users |6.1.B.1b| | 10 |
| Fuel system component insecure |7.2.1| | 10 |
| Nearside Front Leaf spring has a deteriorated shackle pin rubber bush resulting in excessive movement |2.4.B.2| | 10 |
| Nearside Stub axle has excessive vertical movement between stub axle and axle beam |2.5.A.1a| | 10 |
| Centre Front Statutory seat belt missing |5.1.1| | 10 |
| Front passenger door cannot be opened from inside the vehicle |6.2.B.1b| | 10 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 10 |
| Nearside rear brake grabbing severely |3.7.A.5b| | 10 |
| Offside Seat belt locking mechanism does not secure or release |5.2.5a| | 10 |
| Offside Front Leaf spring has excessive wear in an anchor pin and/or bush |2.4.B.2| | 10 |
| Nearside Rear Direction indicator adversely affected by the operation of another lamp |1.4.A.2h| | 9 |
| Nearside Rear Stop lamp not working |1.2.1b| | 9 |
| Offside rear brake grabbing severely |3.7.A.5b| | 9 |
| Offside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 9 |
| Nearside Front Front wheel bearing rough when rotated |2.5.A.2| | 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 Seat belt locking mechanism does not secure or release |5.2.5a| | 9 |
| Nearside Front Seat belt locking mechanism does not secure or release |5.2.5a| | 9 |
| Nearside Front Steering pivot point has excessive play |2.2.B.1g| | 9 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 9 |
| Offside Body has a sharp edge caused by corrosion |6.1.C.1| | 9 |
| Offside Front Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 9 |
| Steering column universal joint has excessive play |2.1.5| | 9 |
| Offside Rear Upper Shock absorber has an excessively worn bush |2.7.4| | 9 |
| Offside Front Leaf spring has a deteriorated shackle pin rubber bush resulting in excessive movement |2.4.B.2| | 9 |
| Offside Front Leaf spring has excessive side play at eye |anchor| |2.4.B.4| | 9 |
| Fuel pipe leaking |7.2.3| | 9 |
| Offside Front Front wheel bearing rough when rotated |2.5.A.2| | 9 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 9 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 9 |
| Nearside Front Body has a sharp edge caused by damage |6.1.C.1| | 8 |
| Brake pedal spongy |3.3.B.1b| | 8 |
| Steering component mounting prescribed area is excessively corroded |2.2.C.1h| | 8 |
| Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a| | 8 |
| Fuel cap/sealing device does not fasten securely by positive means |7.2.4b| | 8 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 8 |
| Offside Front Stub axle has excessive vertical movement between stub axle and axle beam |2.5.A.1a| | 8 |
| Offside Front Lower Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 8 |
| Nearside Rear Body has a sharp edge caused by damage |6.1.C.1| | 8 |
| Brake load sensing valve linkage defective and function impaired |3.6.E.3| | 8 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 8 |
| Headlamp switch faulty |1.7.1| | 8 |
| Nearside Front Shock absorber has negligible damping effect |2.7.5| | 8 |
| Offside Front Shock absorber has negligible damping effect |2.7.5| | 8 |
| Offside Front Steering pivot point has excessive play |2.2.B.1g| | 8 |
| Offside Front Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 8 |
| Nearside Rear Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 8 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 8 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 8 |
| Nearside Front Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 8 |
| Horn not loud enough to be heard by another road user |1.6.2b| | 7 |
| Offside Rear position lamp|s| insecure |1.1.A.3a| | 7 |
| Front Exhaust mounting missing |7.1.1b| | 7 |
| Offside Rear rear brake grabbing severely |3.7.A.5b| | 7 |
| Centre Exhaust has part of the system excessively deteriorated |7.1.1a| | 7 |
| Offside Front Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 7 |
| Nearside Rear Leaf spring has excessive wear in a shackle pin and/or bush |2.4.B.2| | 7 |
| Offside Rear Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 7 |
| Offside Front Ball joint has excessive play |2.2.B.1f| | 7 |
| Offside Front Lower Shock absorber insecure |2.7.2b| | 7 |
| Power steering malfunctioning |2.3.3a| | 7 |
| Offside Front Leaf spring has excessive side play at eye |shackle| |2.4.B.4| | 7 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 7 |
| Offside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 7 |
| Rear Air suspension has no suspension movement |2.4.D.5| | 7 |
| Nearside Rear Upper Shock absorber has an excessively worn bush |2.7.4| | 7 |
| Nearside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 7 |
| Nearside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 7 |
| Offside Windscreen wiper not operating over a large enough area to give an adequate view |8.2.1c| | 7 |
| Drag link end ball joint has excessive play |2.2.B.1f| | 7 |
| Brake performance not tested |3.7.A.1| | 7 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 7 |
| Nearside Front Leaf spring has excessive wear in an anchor pin and/or bush |2.4.B.2| | 7 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 7 |
| Nearside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 7 |
| Offside Steering pivot point has excessive play |2.2.B.1g| | 7 |
| All position lamps not working |1.1.A.3b| | 7 |
| Nearside Front brake disc excessively scored |3.5.1h| | 6 |
| Offside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 6 |
| Offside Stub axle has excessive vertical movement between stub axle and axle beam |2.5.A.1a| | 6 |
| Nearside Rear Rear position lamp|s| insecure |1.1.A.3a| | 6 |
| Nearside Headlamp not in a clean condition affecting beam image |1.2.4a| | 6 |
| Nearside Front Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 6 |
| Nearside Front Stub axle has excessive vertical movement between stub axle and axle beam |2.5.A.1a| | 6 |
| Driver`s seat cannot be secured in the upright position. |6.2.A.2| | 6 |
| Windscreen wiper blade deteriorated |8.2.2| | 6 |
| Brake master cylinder fluid level below minimum level |3.6.G.1e| | 6 |
| Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 6 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 6 |
| Brake pedal has insufficient reserve movement |3.3.A.5| | 6 |
| Front brake disc excessively pitted |3.5.1h| | 6 |
| Fuel hose leaking |7.2.3| | 6 |
| Offside Front Wheel nut|s| loose |4.2.A.1e| | 6 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 6 |
| Front Exhaust has part of the system excessively deteriorated |7.1.1a| | 6 |
| Ball joint has excessive play |2.2.B.1f| | 6 |
| Steering system excessively rough |2.2.D.1| | 6 |
| Offside Rear Direction indicator adversely affected by the operation of another lamp |1.4.A.2h| | 6 |
| Offside Rear Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 6 |
| Offside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 6 |
| Seat belt locking mechanism does not secure or release |5.2.5a| | 6 |
| Nearside Steering pivot point has excessive play |2.2.B.1g| | 6 |
| Centre Front Seat belt locking mechanism does not secure or release |5.2.5a| | 6 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 6 |
| Nearside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 6 |
| Front Windscreen wiper not operating automatically when switched on |8.2.1b| | 6 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 6 |
| Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 6 |
| Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 6 |
| Nearside Obligatory mirror insecure |8.1.1| | 6 |
| Nearside Obligatory mirror missing |8.1.1| | 6 |
| Nearside rear brake juddering severely |3.7.A.5b| | 6 |
| Nearside Lower Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 6 |
| Nearside Statutory seat belt missing |5.1.1| | 6 |
| Exhaust mounting missing |7.1.1b| | 6 |
| Offside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 6 |