| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 62 |
| Headlamp aim out of alignment | 58 |
| Exhaust emissions carbon monoxide content excessive |7.3.B.1a| | 38 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 33 |
| Registration plate lamp issues | 28 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 28 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 27 |
| Windscreen wiper does not clear the windscreen effectively | 26 |
| Parking brake: efficiency below requirements |3.7.B.7| | 23 |
| Offside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 22 |
| Nearside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 22 |
| Rear brake binding | 21 |
| Nearside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 21 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 19 |
| Front brake disc in such a condition that it is seriously weakened | 18 |
| Offside Rear Body has a sharp edge caused by corrosion |6.1.C.1| | 16 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 16 |
| Registration plate issues | 14 |
| Offside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 14 |
| Nearside Rear Body has a sharp edge caused by corrosion |6.1.C.1| | 12 |
| Nearside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 12 |
| Parking brake lever has no reserve travel |3.1.6b| | 12 |
| Hazard warning switch faulty |1.4.B.1d| | 11 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 11 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 11 |
| Nearside Headlamp insecure |1.7.3| | 10 |
| Windscreen has damage | 10 |
| Nearside Front Headlamp insecure |1.7.3| | 9 |
| Horn not working |1.6.2a| | 9 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 9 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 9 |
| Nearside Stop lamp not working |1.2.1b| | 8 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 8 |
| Offside Stop lamp not working |1.2.1b| | 7 |
| Windscreen wiper blade insecure | 7 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 7 |
| Nearside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 7 |
| Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 6 |
| Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 6 |
| Offside Front brake disc excessively pitted |3.5.1h| | 6 |
| Brakes imbalanced across an axle | 6 |
| Nearside Rear Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 6 |
| Offside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 6 |
| Brake hose excessively deteriorated | 6 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 6 |
| Fuel pipe leaking |7.2.3| | 5 |
| Horn not loud enough to be heard by another road user |1.6.2b| | 5 |
| Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 5 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 5 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 5 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 5 |
| Centre Exhaust mounting missing |7.1.1b| | 5 |
| Rear Exhaust mounting missing |7.1.1b| | 5 |
| Nearside Rear Sub-frame rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 5 |
| Offside Rear fog lamp not working |1.3.2b| | 5 |
| Nearside Front Steering component mounting prescribed area is excessively corroded |2.2.C.1h| | 5 |
| Hazard warning tell tale not working correctly |1.4.B.1e| | 4 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 4 |
| Fuel system component leaking |7.2.3| | 4 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 4 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 4 |
| Offside Outer Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 4 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 4 |
| Exhaust mounting missing |7.1.1b| | 4 |
| Offside Side repeater not working |1.4.A.2c| | 4 |
| Offside Rear coil spring fractured |2.4.C.1a| | 4 |
| Nearside Side repeater not working |1.4.A.2c| | 4 |
| Fuel tank leaking |7.2.3| | 4 |
| Nearside Front Shock absorber has negligible damping effect |2.7.5| | 4 |
| Offside Front Seat belt locking mechanism does not secure or release |5.2.5a| | 4 |
| Service brake: efficiency below requirements |3.7.B.7| | 4 |
| Nearside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 4 |
| Exhaust emissions hydrocarbon content excessive |7.3.B.1b| | 4 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 4 |
| Battery insecure |1.9.1| | 3 |
| Nearside Side repeater incorrect colour |1.4.A.2f| | 3 |
| Rear brake disc in such a condition that it is seriously weakened | 3 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 3 |
| Rear parking brake recording little or no effort | 3 |
| Nearside Front Upper Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Nearside Rear coil spring incomplete |2.4.C.1a| | 3 |
| Offside Rear coil spring incomplete |2.4.C.1a| | 3 |
| Rear Exhaust system not adequately supported |7.1.1| | 3 |
| Offside Rear Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 3 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 3 |
| Nearside Rear Exhaust has a major leak of exhaust gases |7.1.2| | 3 |
| Power steering pipe|s| or hose|s| leaking from a joint |2.3.3b| | 3 |
| Offside Front Shock absorber has negligible damping effect |2.7.5| | 3 |
| Rear Fuel hose leaking |7.2.3| | 3 |
| Nearside Rear Anti-roll bar linkage rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Offside Rear Anti-roll bar linkage rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Offside Front Headlamp insecure |1.7.3| | 3 |
| Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 3 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 3 |
| Offside Front Steering component mounting prescribed area is excessively corroded |2.2.C.1h| | 3 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 3 |
| Offside Rear Sub-frame rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Offside Outer Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 3 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 2 |
| Anti-lock braking system warning lamp indicates an ABS fault | 2 |
| Nearside Inner Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 2 |
| Offside Front Upper Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 2 |
| Centre Exhaust has part of the system excessively deteriorated |7.1.1a| | 2 |
| Front position lamp|s| not working |1.1.A.3b| | 2 |
| Nearside Front suspension has excessive movement at a wishbone pin or bush |2.5.A.1c| | 2 |
| Offside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 2 |
| Nearside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Offside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 2 |
| Fuel hose leaking |7.2.3| | 2 |
| Offside Rear Seat belt retracting mechanism defective |5.2.5b| | 2 |
| Nearside Front Braking system leaking |3.6.A.1| | 2 |
| Nearside Rear Seat belt has a cut which has significantly weakened the webbing |5.2.2a| | 2 |
| Offside Front Seat belt damaged sufficient to obstruct correct operation of the belt |5.2.2a| | 2 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 2 |
| Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 2 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 2 |
| Offside Outer Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 2 |
| Nearside Rear Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 2 |
| Offside Indicator tell tale inoperative |1.4.A.2a| | 2 |
| Nearside Rear Suspension component mounting prescribed area is inadequately repaired |2.4.A.3| | 2 |
| Anti-lock braking system warning lamp does not illuminate |3.4.1b| | 2 |
| Nearside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Nearside Rear Vehicle structure has an unsatisfactory modification, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Nearside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Offside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Nearside Front Seat belt retracting mechanism defective |5.2.5b| | 2 |
| Rear Fuel pipe leaking |7.2.3| | 2 |
| Offside Side repeater incomplete |1.5.A1b| | 2 |
| Offside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Nearside Rear Lower Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Emissions not tested |7.0| | 2 |
| Nearside Exhaust has a major leak of exhaust gases |7.1.2| | 2 |
| Offside Body has a sharp edge caused by corrosion |6.1.C.1| | 2 |
| Rear Stop lamp not working |1.2.1b| | 2 |
| Offside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 2 |
| Nearside Inner Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 2 |
| Offside Exhaust has a major leak of exhaust gases |7.1.2| | 2 |
| Rear Mechanical brake component has restricted free movement | 2 |
| Nearside Outer Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 2 |
| Offside Outer Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 2 |
| Offside Front Seat belt insecurely fixed to the seat |5.2.1a| | 2 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 2 |
| Front Windscreen wiper blade deteriorated |8.2.2| | 2 |
| Nearside Front Steering pivot point has excessive play |2.2.B.1g| | 2 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 2 |
| Nearside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Nearside Outer Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Rear fog lamp tell tale not working |1.3.1b| | 2 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 2 |
| Offside Headlamp insecure |1.7.3| | 2 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 2 |
| Direction indicators not working |1.4.A.2c| | 2 |
| Rear Rear fog lamp not working |1.3.2b| | 2 |
| Power steering pipe|s| or hose|s| leaking |2.3.3b| | 2 |
| Brake pedal creeps down while the pedal is held under pressure |3.3.B.1a| | 2 |