| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 427 |
| Brake pipe excessively corroded | 369 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 309 |
| Registration plate lamp issues | 308 |
| Windscreen wiper does not clear the windscreen effectively | 232 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 216 |
| Registration plate issues | 216 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 161 |
| Horn not working |1.6.2a| | 137 |
| Offside Rear fog lamp not working |1.3.2b| | 135 |
| Rear fog lamp tell tale not working |1.3.1b| | 124 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 104 |
| Offside Rear fog lamp missing |1.3.2a| | 101 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 93 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 84 |
| Rear fog lamp not working |1.3.2b| | 83 |
| Rear fog lamp switch missing |1.3.1a| | 77 |
| Rear fog lamp missing |1.3.2a| | 58 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 56 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 52 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 52 |
| Exhaust catalytic converter missing where one was fitted as standard |7.1.3| | 52 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 52 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 50 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 49 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 48 |
| Emissions not tested |7.0| | 47 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 44 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 40 |
| Nearside Rear Track rod end ball joint has excessive play |2.2.B.1f| | 37 |
| Offside Rear Rear fog lamp missing |1.3.2a| | 37 |
| Rear Rear fog lamp not working |1.3.2b| | 36 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 36 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 31 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 30 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 30 |
| Nearside Front position lamp|s| incorrect colour |1.1.A.3e| | 29 |
| Offside Front position lamp|s| incorrect colour |1.1.A.3e| | 28 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 28 |
| Brakes imbalanced across an axle | 27 |
| Rear fog lamp tell tale missing |1.3.1b| | 26 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 26 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 24 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 24 |
| Offside Front Direction indicator not working |1.4.A.2c| | 24 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 24 |
| Nearside Rear Wheel nut|s| missing |4.2.A.1e| | 24 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 23 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 23 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 23 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 22 |
| Windscreen has a sticker or other obstruction encroaching by more than 10mm within zone `A` |8.3.1b| | 22 |
| Windscreen has damage | 22 |
| Nearside Front Wheel nut|s| missing |4.2.A.1e| | 22 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 22 |
| Parking brake lever has no reserve travel |3.1.6b| | 21 |
| Offside Front Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 21 |
| Offside Rear Track rod end ball joint has excessive play |2.2.B.1f| | 21 |
| Nearside Front Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 21 |
| Offside Rear Wheel nut|s| missing |4.2.A.1e| | 21 |
| Exhaust emissions carbon monoxide content excessive |7.3.B.1a| | 21 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 20 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 20 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 20 |
| Offside Rear fog lamp emits a light other than red |1.3.2e| | 20 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 20 |
| Rear Rear fog lamp missing |1.3.2a| | 20 |
| Front position lamp|s| not working |1.1.A.3b| | 19 |
| Parking brake: efficiency below requirements |3.7.B.7| | 19 |
| Nearside Headlamp not working on main beam |1.7.5a| | 19 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 18 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 18 |
| Direction indicators flashing more than 120 times a minute |1.4.A.2g| | 18 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 18 |
| Nearside Stop lamp not working |1.2.1b| | 18 |
| Rear brake binding | 17 |
| Offside Steering rack gaiter split |2.2.D.2d| | 17 |
| Service brake: efficiency below requirements |3.7.B.7| | 16 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 16 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 16 |
| Nearside Rear Stop lamp not working |1.2.1b| | 15 |
| Exhaust noise is clearly in excess of that emitted by a similar vehicle fitted with a standard silencer in average condition |7.1.4| | 15 |
| Battery insecure |1.9.1| | 15 |
| Offside Headlamp not working on main beam |1.7.5a| | 14 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 14 |
| Nearside Front Direction indicator missing |1.4.A.2b| | 13 |
| Offside Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 13 |
| Offside Front Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 13 |
| Service brake: efficiency below requirements |3.7.C.1a| | 13 |
| Rear brake disc in such a condition that it is seriously weakened | 13 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 13 |
| Nearside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 12 |
| Anti-lock braking system warning lamp indicates an ABS fault | 12 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 12 |
| Windscreen wiper blade insecure | 12 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 12 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 12 |
| Centre Stop lamp not working |1.2.1b| | 12 |
| All position lamps not working |1.1.A.3b| | 11 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 11 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 11 |
| Rear Exhaust system not adequately supported |7.1.1| | 11 |
| Offside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 11 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 11 |
| Nearside Front Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 11 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 11 |
| Nearside Front Tie bar/rod rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 11 |
| Offside Rear Shock absorber has negligible damping effect |2.7.5| | 11 |
| Nearside Rear Shock absorber has negligible damping effect |2.7.5| | 11 |
| Offside Rear Stop lamp not working |1.2.1b| | 11 |
| Brake performance not tested |3.7.A.1| | 10 |
| Offside Front Front position lamp|s| incorrect colour |1.1.A.3e| | 10 |
| Brake hose has insufficient room to move | 10 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 10 |
| Offside Stop lamp not working |1.2.1b| | 10 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 10 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 10 |
| Offside Front Tie bar/rod rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 10 |
| Headlamp not in good working order adversely affecting beam image |1.2.4a| | 9 |
| Nearside Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 9 |
| Nearside Front Steering rack gaiter split |2.2.D.2d| | 9 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 9 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits |8.2.1.2 |b|| | 9 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 9 |
| Offside Rear wheel steering ball joint has excessive play |2.2.B.1i| | 9 |
| Nearside Rear wheel steering ball joint has excessive play |2.2.B.1i| | 9 |
| Offside Front Direction indicator missing |1.4.A.2b| | 9 |
| Offside Headlamp excessively damaged so that the light output is severely reduced |1.7.5a| | 8 |
| Exhaust carbon monoxide content at idle exceeds default limits (8.2.1.2 (b)) | 8 |
| Nearside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 8 |
| Nearside Front Front position lamp|s| incorrect colour |1.1.A.3e| | 8 |
| Offside Front brake disc excessively pitted |3.5.1h| | 8 |
| Nearside Rear Statutory seat belt missing |5.1.1| | 8 |
| Offside Rear Statutory seat belt missing |5.1.1| | 8 |
| Offside Front Direction indicators not working |1.4.A.2c| | 8 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 8 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 8 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 8 |
| Nearside Front Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 8 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 8 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 8 |
| Power steering malfunctioning |2.3.3a| | 8 |
| Offside Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 8 |
| Offside Front Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 8 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 8 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 8 |
| Front brake application uneven | 8 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 8 |
| Front position lamp|s| incorrect colour |1.1.A.3e| | 8 |
| Nearside Rear Rear wheel steering ball joint has excessive play |2.2.B.1i| | 8 |
| Rear parking brake recording little or no effort | 7 |
| Exhaust has a part missing |7.1.1a| | 7 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 7 |
| Nearside Front Direction indicators not working |1.4.A.2c| | 7 |
| Rear fog lamp emits a light other than red |1.3.2e| | 7 |
| Rear Rear fog lamp tell tale not working |1.3.1b| | 7 |
| Offside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 7 |
| Nearside Front Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 7 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 7 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 7 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 7 |