| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 333 |
| Brake pipe excessively corroded | 301 |
| Registration plate lamp issues | 295 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 173 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 148 |
| Windscreen wiper does not clear the windscreen effectively | 130 |
| Registration plate issues | 121 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 121 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 96 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 94 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 75 |
| Brakes imbalanced across an axle | 68 |
| Exhaust emissions carbon monoxide content excessive |7.3.B.1a| | 66 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 60 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 53 |
| Brake hose excessively deteriorated | 45 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 44 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 42 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 41 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 40 |
| Horn not working |1.6.2a| | 39 |
| Offside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 39 |
| Service brake: efficiency below requirements |3.7.B.7| | 35 |
| Nearside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 34 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 34 |
| Nearside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 32 |
| Emissions not tested |7.0| | 31 |
| Offside Rear fog lamp not working |1.3.2b| | 31 |
| Rear Exhaust system not adequately supported |7.1.1| | 31 |
| Offside Stop lamp not working |1.2.1b| | 30 |
| Rear brake binding | 30 |
| Exhaust noise is clearly in excess of that emitted by a similar vehicle fitted with a standard silencer in average condition |7.1.4| | 29 |
| Steering column flexible coupling has excessive play |2.1.5| | 29 |
| Nearside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 29 |
| Offside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 29 |
| Anti-lock braking system warning lamp indicates an ABS fault | 28 |
| Nearside Rear Anti-roll bar linkage fractured |2.4.G.1| | 27 |
| Nearside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 26 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 25 |
| Rear fog lamp tell tale not working |1.3.1b| | 22 |
| Parking brake: efficiency below requirements |3.7.B.7| | 22 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 22 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 22 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 22 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 21 |
| Nearside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 20 |
| Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 20 |
| Nearside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 19 |
| Exhaust system not adequately supported |7.1.1| | 18 |
| Brake hose has insufficient room to move | 18 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 18 |
| Offside front brake binding |3.7.B.1| | 18 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 17 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 17 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 17 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 16 |
| Offside Front Direction indicator not working |1.4.A.2c| | 16 |
| Front brake application uneven | 16 |
| Offside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 16 |
| Nearside Front Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 16 |
| Nearside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 16 |
| Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 16 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 15 |
| Exhaust catalytic converter missing where one was fitted as standard |7.1.3| | 15 |
| Offside Front Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 15 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 14 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 14 |
| Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 14 |
| Nearside Front Steering rack gaiter split |2.2.D.2d| | 14 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 14 |
| Nearside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 14 |
| Windscreen has damage | 14 |
| Brake performance not tested |3.7.A.1| | 13 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 13 |
| Battery insecure |1.9.1| | 13 |
| Windscreen has a sticker or other obstruction encroaching by more than 10mm within zone `A` |8.3.1b| | 13 |
| Nearside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 12 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 12 |
| Parking brake lever has no reserve travel |3.1.6b| | 12 |
| Offside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 12 |
| Nearside Stop lamp not working |1.2.1b| | 12 |
| Nearside front brake binding |3.7.B.1| | 12 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 12 |
| Nearside Front front brake binding |3.7.B.1| | 12 |
| Rear Exhaust mounting missing |7.1.1b| | 11 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 11 |
| Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 11 |
| Offside Rear Statutory seat belt missing |5.1.1| | 11 |
| Anti-lock braking system warning lamp does not illuminate |3.4.1b| | 11 |
| Exhaust emits excessive dense blue smoke during acceleration |7.3.A.2c| | 11 |
| Rear fog lamp not working |1.3.2b| | 11 |
| Offside Front front brake binding |3.7.B.1| | 11 |
| Offside Rear Stop lamp not working |1.2.1b| | 10 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 10 |
| Nearside Front Shock absorber insecure |2.7.2b| | 10 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 10 |
| Offside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 10 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 9 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 9 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 9 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 9 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 9 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 9 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 9 |
| Centre Exhaust system not adequately supported |7.1.1| | 9 |
| Nearside Front Front position lamp|s| incorrect colour |1.1.A.3e| | 8 |
| Offside Front position lamp|s| incorrect colour |1.1.A.3e| | 8 |
| Rear Rear fog lamp not working |1.3.2b| | 8 |
| Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 8 |
| Offside Headlamp insecure |1.7.3| | 8 |
| Offside Rear fog lamp missing |1.3.2a| | 8 |
| Nearside Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 8 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 8 |
| Nearside Side repeater not working |1.4.A.2c| | 8 |
| Nearside Rear Anti-roll bar linkage insecure |2.4.G.1| | 8 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 8 |
| Rear brake disc in such a condition that it is seriously weakened | 8 |
| Offside Front Front position lamp|s| incorrect colour |1.1.A.3e| | 7 |
| Nearside Front position lamp|s| incorrect colour |1.1.A.3e| | 7 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 7 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 7 |
| Offside Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 7 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 7 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 7 |
| Exhaust emissions hydrocarbon content excessive |7.3.B.1b| | 7 |
| Nearside Front Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 7 |
| Exhaust emits dense blue smoke at idle |7.3.A.2b| | 7 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 7 |
| Steering column flexible coupling is excessively deteriorated |2.1.5| | 7 |
| Nearside Front Brake pipe inadequately clipped |3.6.B.1| | 7 |
| Nearside Front Brake pipe inadequately supported |3.6.B.1| | 7 |
| Offside Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 7 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 6 |
| Offside Outer Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 6 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 6 |
| Offside Headlamp not working on main beam |1.7.5a| | 6 |
| Offside Rear Shock absorber has negligible damping effect |2.7.5| | 6 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 6 |
| Offside Outer Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 6 |
| Offside Rear Anti-roll bar linkage fractured |2.4.G.1| | 6 |
| Offside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 6 |
| Direction indicators not working |1.4.A.2c| | 6 |
| Offside Rear Wheel nut|s| missing |4.2.A.1e| | 6 |
| Offside Front Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 6 |
| Mechanical brake component has restricted free movement | 6 |
| Nearside Rear Anti-roll bar linkage rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 6 |
| Offside Rear Body has a sharp edge caused by corrosion |6.1.C.1| | 6 |
| Offside Front Steering locking device missing |2.2.C.1g| | 6 |
| Windscreen wiper blade insecure | 6 |
| Nearside Rear Suspension component mounting prescribed area is inadequately repaired |2.4.A.3| | 6 |
| Rear brake application uneven | 6 |
| Steering column movement between the shaft and steering wheel |2.1.2b| | 6 |
| Nearside Rear Stop lamp not working |1.2.1b| | 6 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 5 |
| Offside Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 5 |
| Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 5 |
| Horn control missing |1.6.1| | 5 |
| Offside Inner Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 5 |
| Nearside Inner Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 5 |
| Nearside Headlamp insecure |1.7.3| | 5 |
| Steering column universal joint has excessive play |2.1.5| | 5 |
| Nearside Outer Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 5 |
| Nearside Rear Statutory seat belt missing |5.1.1| | 5 |
| Nearside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 5 |
| Nearside Front Direction indicator missing |1.4.A.2b| | 5 |
| Offside Front Direction indicator missing |1.4.A.2b| | 5 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 5 |
| Offside Front Steering component mounting prescribed area is excessively corroded |2.2.C.1h| | 5 |
| Nearside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 5 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 5 |
| Exhaust emissions carbon monoxide content excessive (8.2.1.2 (b)) | 5 |
| Nearside Outer Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 5 |
| Nearside Front Steering locking device missing |2.2.C.1g| | 5 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 5 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 5 |
| Offside Rear Brake pipe leaking |3.6.A.1| | 5 |
| Exhaust mounting missing |7.1.1b| | 5 |
| Parking brake lever defective so that it cannot be satisfactorily operated |3.1.3c| | 5 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 5 |
| Offside Front Upper Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 5 |
| Offside Front Brake pipe inadequately clipped |3.6.B.1| | 5 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 5 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 5 |
| Offside Front Brake pipe inadequately supported |3.6.B.1| | 5 |
| Rear fog lamp switch missing |1.3.1a| | 5 |
| Front position lamp|s| not working |1.1.A.3b| | 5 |
| Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 5 |
| Centre Rear Exhaust system not adequately supported |7.1.1| | 5 |