| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 593 |
| Service brake: efficiency below requirements |3.7.B.7| | 430 |
| Windscreen wiper does not clear the windscreen effectively | 419 |
| Headlamp aim out of alignment | 338 |
| Registration plate lamp issues | 301 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 261 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 221 |
| Brakes imbalanced across an axle | 177 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 171 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 160 |
| Parking brake: efficiency below requirements |3.7.B.7| | 159 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 159 |
| Offside Rear fog lamp not working |1.3.2b| | 143 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 135 |
| Emissions not tested |7.0| | 132 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 103 |
| Registration plate issues | 102 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 93 |
| Rear parking brake recording little or no effort | 88 |
| Nearside Stop lamp not working |1.2.1b| | 87 |
| Offside Stop lamp not working |1.2.1b| | 86 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 81 |
| Horn not working |1.6.2a| | 80 |
| Offside Headlamp not working on main beam |1.7.5a| | 66 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 63 |
| Brake load sensing valve linkage seized |3.6.E.3| | 59 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 56 |
| Rear fog lamp not working |1.3.2b| | 54 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 54 |
| Brake hose excessively deteriorated | 51 |
| Nearside Headlamp not working on main beam |1.7.5a| | 51 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 50 |
| Rear brake application uneven | 47 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 46 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 45 |
| Offside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 41 |
| Offside Rear Stop lamp not working |1.2.1b| | 39 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 36 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 36 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 36 |
| Brake pedal spongy |3.3.B.1b| | 35 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 33 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 32 |
| Nearside Rear Stop lamp not working |1.2.1b| | 32 |
| Windscreen has damage | 32 |
| Rear Brake load sensing valve linkage seized |3.6.E.3| | 31 |
| Front brake application uneven | 31 |
| Nearside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 30 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 29 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 27 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 27 |
| Rear Rear fog lamp not working |1.3.2b| | 26 |
| Offside Rear passenger door cannot be opened from outside the vehicle |6.2.B.1c| | 24 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 23 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 22 |
| Windscreen wiper blade insecure | 22 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 22 |
| rear brake recording little or no effort |3.7.B.5a| | 21 |
| Offside Rear fog lamp missing |1.3.2a| | 21 |
| Brake performance not tested |3.7.A.1| | 20 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 20 |
| Rear Exhaust has a part missing |7.1.1a| | 20 |
| Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 19 |
| Exhaust tailpipe not capable of allowing the emission probe to be inserted |7.3.D.1| | 19 |
| Offside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 19 |
| Offside passenger door cannot be opened from outside the vehicle |6.2.B.1c| | 19 |
| Fuel tank leaking |7.2.3| | 18 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 18 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 18 |
| Rear brake binding | 18 |
| Offside Front Direction indicator not working |1.4.A.2c| | 17 |
| Steering column top bearing excessively worn |2.1.2c| | 17 |
| Offside Obligatory mirror missing |8.1.1| | 17 |
| Brake pedal creeps down when held under pressure |3.3.B.1a| | 16 |
| Braking system leaking |3.6.A.1| | 16 |
| Nearside Rear passenger door cannot be opened from outside the vehicle |6.2.B.1c| | 16 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 16 |
| Offside Rear position lamp|s| insecure |1.1.A.3a| | 15 |
| Nearside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 15 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 15 |
| Rear rear brake recording little or no effort |3.7.B.5a| | 15 |
| Offside front brake binding |3.7.B.1| | 15 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 15 |
| Offside Front Steering component mounting prescribed area is excessively corroded |2.2.C.1h| | 14 |
| Exhaust system not adequately supported |7.1.1| | 14 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 14 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 14 |
| Nearside front brake binding |3.7.B.1| | 13 |
| Offside Front Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 13 |
| Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 13 |
| Nearside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 13 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 13 |
| Driver`s seat insecure |6.2.A.1| | 13 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 13 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 13 |
| Nearside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 13 |
| Offside Headlamp insecure |1.7.3| | 13 |
| Nearside passenger door cannot be opened from outside the vehicle |6.2.B.1c| | 13 |
| Brake pedal has insufficient reserve movement |3.3.A.5| | 12 |
| Rear fog lamp tell tale not working |1.3.1b| | 12 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 12 |
| Brake load sensing valve linkage defective and function impaired |3.6.E.3| | 12 |
| Nearside Rear position lamp|s| incorrect colour |1.1.A.3e| | 12 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 12 |
| Offside Rear Braking system leaking |3.6.A.1| | 12 |
| An item not tested |Manual| | 12 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 12 |
| Parking brake lever has no reserve travel |3.1.6b| | 12 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 11 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 11 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 11 |
| Brake hose has insufficient room to move | 11 |
| Nearside Front Shock absorber has negligible damping effect |2.7.5| | 11 |
| Rear Stop lamp not working |1.2.1b| | 11 |
| Offside Front Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 11 |
| Front brake disc in such a condition that it is seriously weakened | 11 |
| Nearside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 10 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 10 |
| Exhaust emits excessive dense blue smoke during acceleration |7.3.A.2c| | 10 |
| Brake load sensing valve seized |3.6.E.3| | 10 |
| Direction indicators not working |1.4.A.2c| | 10 |
| Rear Exhaust system not adequately supported |7.1.1| | 9 |
| Offside Rear Brake pipe leaking |3.6.A.1| | 9 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 9 |
| Centre Exhaust has part of the system excessively deteriorated |7.1.1a| | 9 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 9 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 9 |
| Offside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 9 |
| Exhaust emissions carbon monoxide content excessive |7.3.B.1a| | 9 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 9 |
| Stop lamp not working |1.2.1b| | 9 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 9 |
| Nearside Rear position lamp|s| incomplete |1.1.4a| | 8 |
| Nearside Rear brake drum contaminated by oil |3.5.1h| | 8 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 8 |
| Fuel pipe leaking |7.2.3| | 8 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 8 |
| Exhaust has a part missing |7.1.1a| | 8 |
| Brake pedal anti-slip provision incomplete |3.3.A.1b| | 8 |
| rear brakes release unevenly |3.7.B.4| | 8 |
| Offside Side repeater not working |1.4.A.2c| | 8 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 8 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 8 |
| Offside Rear Seat belt locking mechanism does not secure or release |5.2.5a| | 8 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 8 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 8 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 8 |