| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 161 |
| Headlamp aim out of alignment | 150 |
| Registration plate lamp issues | 130 |
| Windscreen wiper does not clear the windscreen effectively | 114 |
| Registration plate issues | 80 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 48 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 45 |
| Offside Rear fog lamp not working |1.3.2b| | 43 |
| Horn not working |1.6.2a| | 36 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 29 |
| Brakes imbalanced across an axle | 29 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 29 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 29 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 29 |
| Parking brake lever has no reserve travel |3.1.6b| | 28 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 27 |
| Rear fog lamp not working |1.3.2b| | 27 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 26 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 26 |
| Offside Rear fog lamp missing |1.3.2a| | 26 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 25 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 23 |
| Battery insecure |1.9.1| | 21 |
| Service brake: efficiency below requirements |3.7.B.7| | 20 |
| Rear fog lamp switch missing |1.3.1a| | 20 |
| Nearside Rear Track rod end ball joint has excessive play |2.2.B.1f| | 18 |
| Nearside Front Steering rack gaiter split |2.2.D.2d| | 18 |
| Offside Steering rack gaiter split |2.2.D.2d| | 18 |
| Rear fog lamp missing |1.3.2a| | 17 |
| Offside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 16 |
| Front brake disc in such a condition that it is seriously weakened | 15 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 14 |
| Offside Rear Track rod end ball joint has excessive play |2.2.B.1f| | 13 |
| Nearside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 13 |
| Parking brake: efficiency below requirements |3.7.B.7| | 13 |
| Offside Headlamp not working on main beam |1.7.5a| | 13 |
| Offside Front Steering rack gaiter split |2.2.D.2d| | 13 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 12 |
| Nearside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 12 |
| Rear fog lamp tell tale not working |1.3.1b| | 12 |
| Emissions not tested |7.0| | 11 |
| Exhaust emissions carbon monoxide content excessive |7.3.B.1a| | 11 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 11 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 11 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 11 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 11 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 10 |
| Nearside Front Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 10 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 10 |
| Rear brake disc in such a condition that it is seriously weakened | 10 |
| Rear brake binding | 9 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 9 |
| Nearside Headlamp not working on main beam |1.7.5a| | 9 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 9 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 9 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 9 |
| Offside Rear Exhaust has a major leak of exhaust gases |7.1.2| | 9 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 8 |
| Brake hydraulic reservoir fluid level below minimum level |3.6.G.1b| | 8 |
| Offside Front Direction indicator not working |1.4.A.2c| | 8 |
| Rear Rear fog lamp not working |1.3.2b| | 8 |
| Front brake excessively fluctuating | 8 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 8 |
| Offside Rear Rear fog lamp missing |1.3.2a| | 7 |
| Direction indicators not working |1.4.A.2c| | 7 |
| Offside Rear wheel steering ball joint has excessive play |2.2.B.1i| | 7 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 7 |
| Offside Rear fog lamp emits a light other than red |1.3.2e| | 7 |
| Offside front brake binding |3.7.B.1| | 7 |
| Nearside Rear Exhaust has a major leak of exhaust gases |7.1.2| | 7 |
| Brake fluid warning lamp illuminated |3.6.G.2| | 6 |
| Rear parking brake recording little or no effort | 6 |
| Nearside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 6 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 6 |
| Nearside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 6 |
| Offside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 6 |
| Steering rack insecure |2.2.B.1a| | 6 |
| Power steering component|s| leaking |2.3.3b| | 6 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 6 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 6 |
| Rear fog lamp tell tale missing |1.3.1b| | 5 |
| Offside Rear Steering arm has relative movement at its fixings |2.2.B.1h| | 5 |
| Front brake application uneven | 5 |
| Nearside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 5 |
| Anti-lock braking system warning lamp indicates an ABS fault | 5 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 5 |
| Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 5 |
| Hazard warning switch faulty |1.4.B.1d| | 5 |
| Nearside Rear Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 5 |
| Rear Rear fog lamp missing |1.3.2a| | 5 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 5 |
| Offside Rear wheel steering connection has excessive play |2.2.B.1i| | 5 |
| Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 5 |
| Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 4 |
| Offside Front front brake binding |3.7.B.1| | 4 |
| Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 4 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 4 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 4 |
| Offside Rear Wheel nut|s| missing |4.2.A.1e| | 4 |
| Offside Front Lower Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 4 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 4 |
| Centre Stop lamp not working |1.2.1b| | 4 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 4 |
| Nearside Rear wheel steering ball joint has excessive play |2.2.B.1i| | 4 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 4 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 4 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 4 |
| Rear fog lamp emits a light other than red |1.3.2e| | 4 |
| Nearside Side repeater not working |1.4.A.2c| | 4 |
| Centre Exhaust system not adequately supported |7.1.1| | 4 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 4 |
| Windscreen wiper blade insecure | 4 |
| Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 4 |
| Nearside Rear Wheel nut|s| missing |4.2.A.1e| | 4 |
| Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 4 |
| Offside Stop lamp not working |1.2.1b| | 4 |
| Nearside Front Wheel nut|s| missing |4.2.A.1e| | 4 |
| Offside Outer Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 4 |
| Nearside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 4 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 4 |
| Horn not loud enough to be heard by another road user |1.6.2b| | 4 |
| Rear Exhaust system not adequately supported |7.1.1| | 4 |
| Front position lamp|s| not working |1.1.A.3b| | 4 |
| Offside Side repeater not working |1.4.A.2c| | 4 |
| Horn sounds harsh or grating |1.6.2e| | 4 |
| Mechanical brake component has restricted free movement | 4 |
| Rear fog lamp missing (4.5.1 (a) (ii)) | 3 |
| Nearside Exhaust has a major leak of exhaust gases |7.1.2| | 3 |
| Offside Exhaust has a major leak of exhaust gases |7.1.2| | 3 |
| Nearside Front Exhaust has a major leak of exhaust gases |7.1.2| | 3 |
| Nearside Rear Ball joint has excessive play |2.2.B.1f| | 3 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 3 |
| Brake hose excessively deteriorated | 3 |
| Exhaust catalytic converter missing where one was fitted as standard |7.1.3| | 3 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 3 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 3 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 3 |
| Offside Headlamp not working on main beam (1.7.5a) | 3 |
| Nearside Side repeater incorrect colour |1.4.A.2f| | 3 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 3 |
| Fuel pipe leaking |7.2.3| | 3 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 3 |
| Windscreen washer not working | 3 |
| Horn not working (7.7 (a) (ii)) | 3 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 3 |
| Centre Rear Stop lamp not working |1.2.1b| | 3 |
| Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 3 |
| Offside Rear brake disc excessively scored |3.5.1h| | 3 |
| Offside Rear Stop lamp not working |1.2.1b| | 3 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 3 |
| Nearside Headlamp aim not tested |1.8.A.1c| | 3 |
| Offside Front Steering rack gaiter missing or no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 3 |
| Nearside Rear Stop lamp not working |1.2.1b| | 3 |
| Horn not working |7.7 |a| |ii|| | 3 |
| Nearside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 3 |
| Offside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 3 |
| Nearside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Nearside Rear Tie bar/rod has excessive play in a ball joint |2.4.G.2| | 3 |
| Windscreen has damage | 3 |
| Offside Rear wheel bearing has excessive play |2.6.2| | 3 |
| Nearside Front front brake binding |3.7.B.1| | 3 |
| Nearside Rear Shock absorber has an excessively worn bush |2.7.4| | 3 |
| Offside Rear Exhaust system not adequately supported |7.1.1| | 3 |
| Nearside Rear Steering arm has relative movement at its fixings |2.2.B.1h| | 3 |
| Front brake disc excessively scored |3.5.1h| | 3 |
| Nearside Headlamp not working on main beam (4.1.1 (a) (ii)) | 3 |
| Track rod end ball joint has excessive play |2.2.B.1f| | 3 |
| Nearside Stop lamp not working |1.2.1b| | 3 |
| Nearside Front position lamp|s| incorrect colour |1.1.A.3e| | 3 |
| Offside Front position lamp|s| incorrect colour |1.1.A.3e| | 3 |
| Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 3 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 3 |
| Fuel hose leaking |7.2.3| | 3 |
| Front position lamp|s| incorrect colour |1.1.A.3e| | 3 |
| Offside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 3 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 3 |
| Nearside Front Tie bar/rod rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 3 |
| Dipswitch operation does not deflect all main beam headlamps to make them dipped beams (4.1.3 (b)) | 3 |
| Offside Rear Tie bar/rod has excessive play in a pin/bush |2.4.G.2| | 3 |