| Most common failures | No# failures |
|---|
| Parking brake: efficiency below requirements |3.7.B.7| | 745 |
| Rear parking brake recording little or no effort | 580 |
| Brake pipe excessively corroded | 378 |
| Registration plate lamp issues | 230 |
| Headlamp aim out of alignment | 213 |
| Parking brake lever has no reserve travel |3.1.6b| | 153 |
| Windscreen wiper does not clear the windscreen effectively | 153 |
| Anti-lock braking system warning lamp indicates an ABS fault | 118 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 91 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 87 |
| Front brake disc in such a condition that it is seriously weakened | 81 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 80 |
| Nearside Stop lamp not working |1.2.1b| | 78 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 77 |
| Offside Stop lamp not working |1.2.1b| | 61 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 58 |
| Registration plate issues | 55 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 53 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 50 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 50 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 49 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 49 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 49 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 48 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 48 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 47 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 47 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 43 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 37 |
| Emissions not tested |7.0| | 36 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 35 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 34 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 33 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 32 |
| Offside Rear fog lamp not working |1.3.2b| | 29 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 28 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 28 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 28 |
| Service brake: efficiency below requirements |3.7.B.7| | 28 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 26 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 24 |
| Brakes imbalanced across an axle | 24 |
| Nearside Rear Stop lamp not working |1.2.1b| | 24 |
| Windscreen has damage | 23 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 22 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 22 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 22 |
| Offside Rear Stop lamp not working |1.2.1b| | 22 |
| Nearside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 22 |
| Nearside Headlamp not working on main beam |1.7.5a| | 21 |
| Offside Front Direction indicator insecure |1.4.A.2b| | 21 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 21 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 20 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 20 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 19 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 17 |
| Windscreen wiper blade insecure | 17 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 16 |
| Nearside Front Direction indicator insecure |1.4.A.2b| | 16 |
| Offside Headlamp insecure |1.7.3| | 16 |
| Offside Headlamp not working on main beam |1.7.5a| | 16 |
| Horn not working |1.6.2a| | 15 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 15 |
| Nearside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 15 |
| Offside Rear coil spring fractured |2.4.C.1a| | 15 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 15 |
| Rear brake binding | 15 |
| Nearside Headlamp insecure |1.7.3| | 15 |
| Offside Front Direction indicators incorrect colour |1.4.A.2f| | 14 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 14 |
| Rear brake disc in such a condition that it is seriously weakened | 14 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 13 |
| Anti-lock braking system warning lamp does not illuminate |3.4.1b| | 13 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 13 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 13 |
| Nearside Front Direction indicators incorrect colour |1.4.A.2f| | 13 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 13 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 13 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 12 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 12 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 12 |
| Offside Rear coil spring incomplete |2.4.C.1a| | 12 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 11 |
| Nearside Rear coil spring fractured |2.4.C.1a| | 11 |
| Front Direction indicator incorrect colour |1.4.A.2f| | 11 |
| Offside Headlamp excessively damaged so that the light output is severely reduced |1.7.5a| | 11 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 11 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 10 |
| Exhaust engine idle speed too high |7.3.D.1| | 10 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 10 |
| Brake pedal spongy |3.3.B.1b| | 10 |
| Offside Front Anti-roll bar fractured |2.4.G.1| | 10 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 10 |
| Nearside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 10 |
| Direction indicators incorrect colour |1.4.A.2f| | 10 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 10 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 10 |
| Rear brake disc excessively pitted |3.5.1h| | 10 |
| Offside Steering rack gaiter split |2.2.D.2d| | 9 |
| Nearside Front Suspension arm rubber bush bonding deteriorated resulting in excessive movement |2.4.G.2| | 9 |
| Rear brake application uneven | 9 |
| Centre Rear Seat belt obviously repaired |5.2.2c| | 9 |
| Offside Front brake disc excessively pitted |3.5.1h| | 9 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 9 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 9 |
| Offside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 9 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 9 |
| Power steering component|s| leaking |2.3.3b| | 9 |
| Offside Front Suspension arm rubber bush bonding deteriorated resulting in excessive movement |2.4.G.2| | 8 |
| Offside Rear Seat belt locking mechanism does not secure or release |5.2.5a| | 8 |
| Direction indicator incorrect colour |1.4.A.2f| | 8 |
| Front Brake pipe inadequately clipped |3.6.B.1| | 8 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 8 |
| Nearside Headlamp excessively damaged so that the light output is severely reduced |1.7.5a| | 8 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 8 |
| Front position lamp|s| not working |1.1.A.3b| | 8 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 8 |
| Rear Direction indicator incorrect colour |1.4.A.2f| | 8 |
| Nearside Front Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 8 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 8 |
| Offside Front Headlamp insecure |1.7.3| | 8 |
| Brake hose excessively deteriorated | 8 |
| Nearside Front Lower Suspension arm rubber bush bonding deteriorated resulting in excessive movement |2.4.G.2| | 7 |
| Front brake disc excessively pitted |3.5.1h| | 7 |
| Exhaust tailpipe not capable of allowing the emission probe to be inserted |7.3.D.1| | 7 |
| Headlamp not in good working order adversely affecting beam image |1.2.4a| | 7 |
| Nearside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 7 |
| Brake pipe inadequately supported |3.6.B.1| | 7 |
| Centre Rear Seat belt locking mechanism does not secure or release |5.2.5a| | 7 |
| Brake pipe inadequately clipped |3.6.B.1| | 7 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 7 |
| Headlamp switch faulty |1.7.1| | 7 |
| Offside Rear Brake pipe inadequately clipped |3.6.B.1| | 7 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 7 |
| Nearside Front Brake pipe inadequately clipped |3.6.B.1| | 7 |
| Nearside Rear Shock absorber has negligible damping effect |2.7.5| | 7 |
| Brake pedal creeps down while the pedal is held under pressure |3.3.B.1a| | 7 |
| Nearside Headlamp not in a clean condition affecting beam image |1.2.4a| | 6 |
| Brake pedal creeps down when held under pressure |3.3.B.1a| | 6 |
| Offside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 6 |
| Front brake application uneven | 6 |
| Front Direction indicators incorrect colour |1.4.A.2f| | 6 |
| Nearside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 6 |
| Offside Windscreen wiper not operating over a large enough area to give an adequate view |8.2.1c| | 6 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 6 |
| Offside Obligatory mirror insecure |8.1.1| | 6 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 6 |
| Front brake disc excessively scored |3.5.1h| | 6 |
| Exhaust emits excessive dense blue smoke during acceleration |7.3.A.2c| | 6 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 5 |
| Nearside Rear coil spring incomplete |2.4.C.1a| | 5 |
| Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 5 |
| Nearside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 5 |
| Nearside Rear Seat belt locking mechanism does not secure or release |5.2.5a| | 5 |
| Offside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 5 |
| Nearside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 5 |
| Nearside Front Suspension arm synthetic bush deteriorated resulting in excessive movement |2.4.G.2| | 5 |
| Offside Front Brake hose twisted |found during steering lock to lock check| |2.2.D.2b| | 5 |
| Nearside Rear brake disc excessively scored |3.5.1h| | 5 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 5 |
| Parking brake: efficiency below requirements |3.7.D.4| | 5 |
| Nearside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 5 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 5 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 5 |
| Offside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 5 |
| Brake performance not tested |3.7.A.1| | 5 |
| Nearside front brake binding |3.7.B.1| | 5 |
| Nearside Front Lower Suspension arm has excessive play in a pin/bush |2.4.G.2| | 5 |
| Rear Direction indicators incorrect colour |1.4.A.2f| | 5 |
| Headlamp aim not tested |1.8.A.1c| | 5 |
| Nearside Rear Parking brake is not capable of being maintained in operation by direct mechanical action only |3.1.2| | 5 |
| Offside Front coil spring incomplete |2.4.C.1a| | 5 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 5 |
| Offside Rear Shock absorber has negligible damping effect |2.7.5| | 5 |