| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 100 |
| Registration plate lamp issues | 85 |
| Brake pipe excessively corroded | 60 |
| Parking brake: efficiency below requirements |3.7.B.7| | 49 |
| Windscreen wiper does not clear the windscreen effectively | 46 |
| Brakes imbalanced across an axle | 39 |
| Rear parking brake recording little or no effort | 38 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 31 |
| Service brake: efficiency below requirements |3.7.B.7| | 27 |
| Rear brake application uneven | 23 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 22 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 20 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 19 |
| Offside Rear fog lamp not working |1.3.2b| | 14 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 12 |
| Nearside Headlamp insecure |1.7.3| | 12 |
| Emissions not tested |7.0| | 11 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 10 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 10 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 10 |
| Front brake disc in such a condition that it is seriously weakened | 10 |
| Nearside Front Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a| | 9 |
| Offside Front Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a| | 9 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 9 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 8 |
| Horn not working |1.6.2a| | 8 |
| Registration plate issues | 8 |
| Rear brake binding | 7 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 7 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 7 |
| Offside Headlamp insecure |1.7.3| | 7 |
| Offside Stop lamp not working |1.2.1b| | 7 |
| Power steering component|s| leaking |2.3.3b| | 7 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 7 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 7 |
| Battery insecure |1.9.1| | 7 |
| Nearside front brake binding |3.7.B.1| | 6 |
| Offside front brake binding |3.7.B.1| | 6 |
| Brake hose excessively deteriorated | 6 |
| Offside Front Headlamp insecure |1.7.3| | 6 |
| Nearside Stop lamp not working |1.2.1b| | 6 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 6 |
| Steering system has excessive free play detected at the steering wheel |steering box fitted| |2.2.A.1a| | 6 |
| Nearside Rear Stop lamp not working |1.2.1b| | 6 |
| Brake hydraulic reservoir fluid level below minimum level |3.6.G.1b| | 5 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 5 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 5 |
| Offside rear brake grabbing severely |3.7.A.5b| | 5 |
| An item not tested |Manual| | 5 |
| Parking brake lever has no reserve travel |3.1.6b| | 5 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 5 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 5 |
| Exhaust system not adequately supported |7.1.1| | 5 |
| rear brakes release unevenly |3.7.B.4| | 4 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 4 |
| Nearside Rear rear brake grabbing severely |3.7.A.5b| | 4 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 4 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 4 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 4 |
| Nearside Front Leaf spring has excessive wear in a shackle pin and/or bush |2.4.B.2| | 4 |
| Rear Exhaust has a part missing |7.1.1a| | 4 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 4 |
| Nearside Headlamp not working on main beam |1.7.5a| | 4 |
| Power steering pipe|s| or hose|s| leaking from a joint |2.3.3b| | 4 |
| Front brake application uneven | 4 |
| Offside Rear Lower Shock absorber has an excessively worn bush |2.7.4| | 4 |
| Brake load sensing valve linkage seized |3.6.E.3| | 4 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 4 |
| Brake load sensing valve seized |3.6.E.3| | 3 |
| Offside Obligatory mirror missing |8.1.1| | 3 |
| Offside Front Steering component mounting prescribed area is excessively corroded |2.2.C.1h| | 3 |
| Offside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Offside Front front brake binding |3.7.B.1| | 3 |
| Nearside Front front brake binding |3.7.B.1| | 3 |
| Nearside Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a| | 3 |
| Offside Front Leaf spring has excessive wear in a shackle pin and/or bush |2.4.B.2| | 3 |
| Offside Outer Rear Seat belt locking mechanism does not secure or release |5.2.5a| | 3 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 3 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 3 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 3 |
| Rear Exhaust system not adequately supported |7.1.1| | 3 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 3 |
| Rear fog lamp not working |1.3.2b| | 3 |
| Offside Front Seat belt has a cut which has significantly weakened the webbing |5.2.2a| | 3 |
| Nearside Front Lower Shock absorber has an excessively worn bush |2.7.4| | 3 |
| Steering damper leaking oil |2.2.C.1f| | 3 |
| Brake hose damaged | 3 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 3 |
| Offside Front Direction indicator not working |1.4.A.2c| | 3 |
| Steering system excessively rough |2.2.D.1| | 3 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 3 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 3 |
| Driver`s seat insecure |6.2.A.1| | 3 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 3 |
| Offside Rear Stop lamp not working |1.2.1b| | 3 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 3 |
| Nearside Front Headlamp insecure |1.7.3| | 3 |
| Nearside Obligatory mirror missing |8.1.1| | 3 |
| rear parking |secondary| brakes imbalanced | 3 |
| Nearside Front Seat belt locking mechanism does not secure or release |5.2.5a| | 3 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 2 |
| Nearside Brake cable has restricted free movement |3.5.1k| | 2 |
| Nearside Obligatory mirror insecure |8.1.1| | 2 |
| Offside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Brake pedal anti-slip provision worn smooth |3.3.A.1b| | 2 |
| Direction indicators not working |1.4.A.2c| | 2 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 2 |
| Offside rear brake juddering severely |3.7.A.5b| | 2 |
| Nearside Stub axle has excessive vertical movement between stub axle and axle beam |2.5.A.1a| | 2 |
| Steering component deformed and unserviceable |2.2.C.1d| | 2 |
| Nearside Rear Lower Shock absorber has an excessively worn bush |2.7.4| | 2 |
| Offside Rear Shock absorber has an excessively worn bush |2.7.4| | 2 |
| Steering system excessively tight |2.2.D.1| | 2 |
| Nearside Obligatory mirror seriously deteriorated, affecting the rear view |8.1.2a| | 2 |
| Nearside passenger door cannot be opened from outside the vehicle |6.2.B.1c| | 2 |
| Fuel cap/sealing device missing |7.2.4a| | 2 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 2 |
| Offside Front front brake juddering severely |3.7.A.2b| | 2 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 2 |
| Offside Headlamp not working on main beam |1.7.5a| | 2 |
| Nearside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 2 |
| Offside Rear Brake pipe inadequately clipped |3.6.B.1| | 2 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 2 |
| Brake pedal has insufficient reserve movement |3.3.A.5| | 2 |
| Offside Front Lower Shock absorber has an excessively worn bush |2.7.4| | 2 |
| Windscreen has damage | 2 |
| Fuel system component insecure |7.2.1| | 2 |
| Offside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 2 |
| Power steering malfunctioning |2.3.3a| | 2 |
| Nearside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 2 |
| Rear Drag link end ball joint has excessive play |2.2.B.1f| | 2 |
| Offside Rear Rear position lamp|s| excessively damaged so that it is not visible from a reasonable distance |1.1.A.3d| | 2 |
| Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 2 |
| Rear Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 2 |
| Rear Brake cable insecure | 2 |
| Offside Front Front wheel bearing rough when rotated |2.5.A.2| | 2 |
| Front passenger door cannot be opened from outside the vehicle |6.2.B.1b| | 2 |
| Front passenger door cannot be opened from inside the vehicle |6.2.B.1b| | 2 |
| Nearside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Nearside Rear Rear position lamp|s| incorrect colour |1.1.A.3e| | 2 |
| Braking system leaking |3.6.A.1| | 2 |
| Bonnet cannot be secured in the closed position |8.4.1| | 2 |
| Nearside Front front brake juddering severely |3.7.A.2b| | 2 |
| Front Steering damper leaking oil |2.2.C.1f| | 2 |
| Offside Drag link end ball joint has excessive play |2.2.B.1f| | 2 |
| Centre Statutory seat belt missing |5.1.1| | 2 |
| Exhaust tailpipe not capable of allowing the emission probe to be inserted |7.3.D.1| | 2 |
| Offside Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 2 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 2 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 2 |
| Offside Obligatory mirror seriously deteriorated, affecting the rear view |8.1.2a| | 2 |
| Offside Power steering component|s| leaking |2.3.3b| | 2 |
| Centre Seat belt locking mechanism does not secure or release |5.2.5a| | 2 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 2 |
| Offside Front Windscreen wiper blade missing |8.2.2| | 2 |
| Offside Seat belt locking mechanism does not secure or release |5.2.5a| | 2 |
| Nearside Front Lower Leaf spring has a deteriorated shackle pin rubber bush resulting in excessive movement |2.4.B.2| | 2 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 2 |
| Windscreen has a sticker or other obstruction encroaching by more than 10mm within zone `A` |8.3.1b| | 2 |
| Offside Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a| | 2 |
| Offside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Fuel tank leaking |7.2.3| | 2 |