| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 791 |
| Headlamp aim out of alignment | 363 |
| Windscreen wiper does not clear the windscreen effectively | 332 |
| Registration plate lamp issues | 237 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 212 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 134 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 130 |
| Parking brake lever has no reserve travel |3.1.6b| | 129 |
| Brakes imbalanced across an axle | 123 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 123 |
| Rear brake binding | 118 |
| Registration plate issues | 105 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 99 |
| Front brake disc in such a condition that it is seriously weakened | 90 |
| Parking brake: efficiency below requirements |3.7.B.7| | 87 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 80 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 70 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 69 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 68 |
| Rear brake disc in such a condition that it is seriously weakened | 67 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 64 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 57 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 47 |
| Rear brake application uneven | 44 |
| Anti-lock braking system warning lamp indicates an ABS fault | 43 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 41 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 39 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 39 |
| Rear parking brake recording little or no effort | 36 |
| Offside Front Sub-frame corroded and seriously weakened |2.4.G.1| | 36 |
| Service brake: efficiency below requirements |3.7.B.7| | 35 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 34 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 31 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 30 |
| Front Sub-frame corroded and seriously weakened |2.4.G.1| | 30 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 30 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 27 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 26 |
| Windscreen has damage | 25 |
| Nearside Stop lamp not working |1.2.1b| | 25 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 25 |
| Offside Rear fog lamp not working |1.3.2b| | 25 |
| Rear brake disc excessively pitted |3.5.1h| | 25 |
| Nearside Front Sub-frame corroded and seriously weakened |2.4.G.1| | 24 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 22 |
| Emissions not tested |7.0| | 22 |
| Offside front brake binding |3.7.B.1| | 22 |
| Power steering pipe|s| or hose|s| leaking |2.3.3b| | 21 |
| Horn not working |1.6.2a| | 21 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 21 |
| Front brake application uneven | 20 |
| Nearside Headlamp not working on main beam |1.7.5a| | 20 |
| Offside Headlamp not working on main beam |1.7.5a| | 20 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 20 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 20 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 19 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 19 |
| Nearside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 19 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 18 |
| Offside Rear coil spring fractured |2.4.C.1a| | 18 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 17 |
| Offside Front brake disc excessively pitted |3.5.1h| | 17 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 17 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 17 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 17 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 17 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 16 |
| Nearside Rear coil spring incomplete |2.4.C.1a| | 16 |
| Offside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 16 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 16 |
| Windscreen wiper blade insecure | 16 |
| Offside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 15 |
| Nearside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 15 |
| Nearside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 15 |
| Centre Stop lamp not working |1.2.1b| | 14 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 14 |
| Nearside Rear brake disc excessively scored |3.5.1h| | 14 |
| Rear Mechanical brake component has restricted free movement | 14 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 14 |
| Headlamp switch faulty |1.7.1| | 13 |
| Offside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 13 |
| Nearside Rear Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 13 |
| Nearside Front Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 13 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 13 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 13 |
| Offside Front front brake binding |3.7.B.1| | 13 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 12 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 12 |
| Brake performance not tested |3.7.A.1| | 12 |
| Offside Rear brake disc excessively scored |3.5.1h| | 12 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 12 |
| Power steering component|s| leaking |2.3.3b| | 12 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 11 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 11 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 11 |
| Nearside Rear coil spring fractured |2.4.C.1a| | 11 |
| Offside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 11 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 11 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 11 |
| Offside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 11 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 10 |
| Nearside front brake binding |3.7.B.1| | 10 |
| Driver`s door cannot be opened from inside the vehicle |6.2.B.1b| | 10 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 10 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 10 |
| Offside Rear coil spring incomplete |2.4.C.1a| | 10 |
| Nearside Rear Brake pipe leaking |3.6.A.1| | 10 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 10 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 10 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 10 |
| Offside Front Seat belt damaged sufficient to obstruct correct operation of the belt |5.2.2a| | 9 |
| Offside Front Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 9 |
| rear brakes release unevenly |3.7.B.4| | 9 |
| Nearside Headlamp aim not tested |1.8.A.1c| | 9 |
| Offside Headlamp aim not tested |1.8.A.1c| | 9 |
| Front Windscreen wiper not operating automatically when switched on |8.2.1b| | 9 |
| Rear fog lamp not working |1.3.2b| | 9 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 9 |
| Nearside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 9 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 9 |
| Nearside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 9 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 9 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 9 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 9 |
| Headlamp not in good working order adversely affecting beam image |1.2.4a| | 9 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 9 |
| Offside Front Seat belt retracting mechanism defective |5.2.5b| | 8 |
| Battery insecure |1.9.1| | 8 |
| Offside Front Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 8 |
| Nearside Rear Stop lamp not working |1.2.1b| | 8 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 8 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 8 |
| Nearside Front front brake binding |3.7.B.1| | 8 |
| Nearside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 8 |
| Offside Stop lamp not working |1.2.1b| | 8 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 8 |