| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 993 |
| Headlamp aim out of alignment | 955 |
| Registration plate lamp issues | 821 |
| Windscreen wiper does not clear the windscreen effectively | 613 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 283 |
| Registration plate issues | 278 |
| Brakes imbalanced across an axle | 249 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 217 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 202 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 194 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 192 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 185 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 128 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 122 |
| Nearside Stop lamp not working |1.2.1b| | 122 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 120 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 114 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 111 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 107 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 106 |
| Offside Stop lamp not working |1.2.1b| | 104 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 104 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 101 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 100 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 97 |
| Service brake: efficiency below requirements |3.7.B.7| | 91 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 90 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 83 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 79 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 74 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 73 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 71 |
| Front brake application uneven | 69 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 63 |
| Parking brake: efficiency below requirements |3.7.B.7| | 63 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 60 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 60 |
| Centre Stop lamp not working |1.2.1b| | 58 |
| Offside Rear Stop lamp not working |1.2.1b| | 53 |
| Anti-lock braking system warning lamp indicates an ABS fault | 51 |
| Offside Rear fog lamp not working |1.3.2b| | 51 |
| Nearside Rear Stop lamp not working |1.2.1b| | 48 |
| Rear brake binding | 48 |
| Emissions not tested |7.0| | 47 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 47 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 47 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 45 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 45 |
| Front brake disc in such a condition that it is seriously weakened | 45 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 43 |
| Offside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 42 |
| Windscreen has damage | 42 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 41 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 41 |
| Nearside front brake binding |3.7.B.1| | 40 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 40 |
| Offside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 40 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 40 |
| Offside front brake binding |3.7.B.1| | 39 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 38 |
| Nearside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 37 |
| Bonnet cannot be secured in the closed position |8.4.1| | 36 |
| Nearside Headlamp not working on main beam |1.7.5a| | 35 |
| Nearside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 35 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 35 |
| Nearside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 35 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 34 |
| Nearside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 33 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 33 |
| Offside Steering rack gaiter split |2.2.D.2d| | 32 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 32 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 32 |
| Offside Rear coil spring fractured |2.4.C.1a| | 31 |
| Rear brake application uneven | 31 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 27 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 27 |
| Rear parking brake recording little or no effort | 27 |
| Offside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 26 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 26 |
| Nearside Front front brake binding |3.7.B.1| | 25 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 25 |
| Nearside Front Lower Ball joint has excessive play |2.2.B.1f| | 25 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 24 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 24 |
| Nearside Front coil spring fractured |2.4.C.1a| | 23 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 23 |
| Offside Front Ball joint has excessive play |2.2.B.1f| | 23 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 23 |
| Rear brake disc in such a condition that it is seriously weakened | 23 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 23 |
| Windscreen wiper blade insecure | 22 |
| Offside Headlamp not working on main beam |1.7.5a| | 21 |
| Parking brake lever has no reserve travel |3.1.6b| | 21 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 21 |
| Nearside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 20 |
| Offside Ball joint has excessive play |2.2.B.1f| | 20 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 19 |
| Stop lamp not working |1.2.1b| | 19 |
| Offside Front Lower Ball joint has excessive play |2.2.B.1f| | 19 |
| Rear fog lamp not working |1.3.2b| | 18 |
| Nearside Rear coil spring fractured |2.4.C.1a| | 18 |
| Battery insecure |1.9.1| | 18 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 18 |
| Offside Front coil spring fractured |2.4.C.1a| | 18 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 18 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 18 |
| Front Exhaust has part of the system excessively deteriorated |7.1.1a| | 18 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 18 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 18 |
| Nearside Front Steering rack gaiter split |2.2.D.2d| | 17 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 17 |
| Nearside Front Ball joint has excessive play |2.2.B.1f| | 17 |
| Nearside Front Lower Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 17 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 17 |
| Front position lamp|s| not working |1.1.A.3b| | 16 |
| Nearside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 16 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 16 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 16 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 16 |
| Offside Front Front wheel bearing rough when rotated |2.5.A.2| | 16 |
| Rear brake disc excessively pitted |3.5.1h| | 16 |
| Nearside Rear Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 15 |
| Horn not working |1.6.2a| | 15 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 15 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 15 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 15 |
| Offside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 15 |
| Offside Front front brake binding |3.7.B.1| | 15 |
| Offside Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b| | 15 |
| Centre Rear Stop lamp not working |1.2.1b| | 14 |
| Nearside Ball joint has excessive play |2.2.B.1f| | 14 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 14 |
| Nearside Front coil spring incomplete |2.4.C.1a| | 14 |
| Nearside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 14 |
| Offside Front Steering rack gaiter split |2.2.D.2d| | 13 |
| Offside Front coil spring incomplete |2.4.C.1a| | 13 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 13 |
| Offside Front Lower Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 13 |
| Offside Front position lamp|s| not in good working order |function impaired| |1.1.4a| | 13 |
| Offside Front Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b| | 13 |
| Offside Rear Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 13 |
| Nearside Headlamp aim not tested |1.8.A.1c| | 13 |