| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 159 |
| Brake pipe excessively corroded | 120 |
| Windscreen wiper does not clear the windscreen effectively | 94 |
| Headlamp aim out of alignment | 74 |
| Parking brake: efficiency below requirements |3.7.B.7| | 61 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 41 |
| Registration plate issues | 41 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 40 |
| Rear parking brake recording little or no effort | 38 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 37 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 34 |
| Exhaust emissions carbon monoxide content excessive |7.3.B.1a| | 33 |
| Brakes imbalanced across an axle | 31 |
| Offside Stop lamp not working |1.2.1b| | 31 |
| Nearside Stop lamp not working |1.2.1b| | 30 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 29 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 28 |
| Service brake: efficiency below requirements |3.7.B.7| | 25 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 23 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 22 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 21 |
| Nearside Front Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 21 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 20 |
| Offside Rear fog lamp not working |1.3.2b| | 20 |
| Nearside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 20 |
| Offside Front Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 18 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 16 |
| Parking brake lever has no reserve travel |3.1.6b| | 16 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 15 |
| Emissions not tested |7.0| | 14 |
| Rear brake application uneven | 14 |
| Nearside Rear Stop lamp not working |1.2.1b| | 14 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 13 |
| Offside Rear Stop lamp not working |1.2.1b| | 13 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 12 |
| Windscreen has damage | 12 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 10 |
| Rear brake binding | 10 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 10 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 10 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 9 |
| Nearside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 9 |
| Offside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 9 |
| Exhaust emissions hydrocarbon content excessive |7.3.B.1b| | 9 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 9 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 8 |
| Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 8 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 8 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 8 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 8 |
| Offside Rear Shock absorber has negligible damping effect |2.7.5| | 8 |
| Nearside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 8 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 8 |
| Nearside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 7 |
| Brake hose excessively deteriorated | 7 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 7 |
| Nearside Rear Shock absorber has negligible damping effect |2.7.5| | 7 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 7 |
| Nearside Headlamp not working on main beam |1.7.5a| | 7 |
| Stop lamp not working |1.2.1b| | 6 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 6 |
| Nearside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 6 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 6 |
| Nearside Rear Body has a sharp edge caused by corrosion |6.1.C.1| | 6 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 6 |
| Exhaust engine idle speed too high |7.3.A.2a| | 6 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 5 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 5 |
| Offside Rear Body has a sharp edge caused by corrosion |6.1.C.1| | 5 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 5 |
| Offside Front Body has a sharp edge caused by damage |6.1.C.1| | 5 |
| Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 5 |
| Offside Rear Lower Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 5 |
| Nearside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 5 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 5 |
| Exhaust system not adequately supported |7.1.1| | 5 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 5 |
| Offside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 5 |
| Nearside Body has a sharp edge caused by damage |6.1.C.1| | 5 |
| Nearside Rear Upper Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 5 |
| Nearside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 4 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 4 |
| Offside Inner Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 4 |
| Offside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 4 |
| Front brake disc in such a condition that it is seriously weakened | 4 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 4 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 4 |
| Rear Stop lamp not working |1.2.1b| | 4 |
| Offside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 4 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 4 |
| Rear Mechanical brake component has restricted free movement | 4 |
| Offside Front Body has a sharp edge caused by corrosion |6.1.C.1| | 4 |
| Front brake application uneven | 3 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 3 |
| Rear fog lamp tell tale not working |1.3.1b| | 3 |
| Nearside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 3 |
| Offside Rear position lamp|s| incorrect colour |1.1.A.3e| | 3 |
| Nearside Rear Lower Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 3 |
| Offside Outer Front Front constant velocity joint gaiter split |2.5.C.1a| | 3 |
| Offside Front Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 3 |
| Nearside Front Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 3 |
| Fuel cap/sealing device does not fasten securely by positive means |7.2.4b| | 3 |
| Windscreen wiper blade insecure | 3 |
| Offside Front Seat belt has a cut which has significantly weakened the webbing |5.2.2a| | 3 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 3 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 3 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 3 |
| Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 3 |
| Front Windscreen wiper not operating automatically when switched on |8.2.1b| | 3 |
| Offside Rear Seat belt locking mechanism does not secure or release |5.2.5a| | 3 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 3 |
| Offside Rear Seat belt retracting mechanism defective |5.2.5b| | 3 |
| Nearside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 3 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 3 |
| Front position lamp|s| not working |1.1.A.3b| | 3 |
| Offside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 3 |
| Nearside Front Direction indicator insecure |1.4.A.2b| | 3 |
| Offside Rear Brake load sensing valve linkage seized |3.6.E.3| | 3 |
| Nearside Front constant velocity joint is insecure |2.5.C.1b| | 2 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 2 |
| Brake performance not tested |3.7.A.1| | 2 |
| Brake load sensing valve linkage seized |3.6.E.3| | 2 |
| Offside Stop lamp excessively damaged so that it is not visible from a reasonable distance |1.2.1d| | 2 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 2 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 2 |
| Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Rear Rear fog lamp not working |1.3.2b| | 2 |
| Offside Outer Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Nearside Inner Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Offside Outer Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Offside Stop lamp emits other than a steady red light |1.2.1e| | 2 |
| Parking brake lever has excessive side play in the pivot and may disengage |3.1.4a| | 2 |
| Exhaust emits clearly visible black smoke during acceleration |7.3.A.2c| | 2 |
| Nearside Inner Rear Upper Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Nearside Front Direction indicator incomplete |1.5.A1b| | 2 |
| Windscreen wiper blade deteriorated |8.2.2| | 2 |
| Nearside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 2 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 2 |
| Offside Front Obligatory mirror missing |8.1.1| | 2 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 2 |
| Nearside Front Lower Suspension arm has excessive play in a pin/bush |2.4.G.2| | 2 |
| Offside Steering locking device missing |2.2.C.1g| | 2 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 2 |
| Rear Shock absorber has a serious fluid leak |2.7.3| | 2 |
| Nearside Front Upper Suspension arm has excessive play in a pin/bearing |2.4.G.2| | 2 |
| Offside Outer Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 2 |
| Power steering inoperative |2.3.3a| | 2 |
| Offside Headlamp aim beam image too far to the left |1.6.B4| | 2 |
| Nearside Front Upper Suspension arm corroded and seriously weakened |2.4.G.1| | 2 |
| Offside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 2 |
| Offside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Offside Upper Front suspension has excessive movement at a wishbone pin or bush |2.5.A.1c| | 2 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 2 |
| Offside Inner Rear Lower Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 2 |
| Fuel pipe leaking |7.2.3| | 2 |
| Exhaust noise is clearly in excess of that emitted by a similar vehicle fitted with a standard silencer in average condition |7.1.4| | 2 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 2 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 2 |
| Front Windscreen wiper blade deteriorated |8.2.2| | 2 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 2 |
| Horn not working |1.6.2a| | 2 |
| Offside Rear Upper Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Offside Body has a sharp edge caused by damage |6.1.C.1| | 2 |
| All position lamps not working |1.1.A.3b| | 2 |
| Nearside Outer Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 2 |
| rear brakes release unevenly |3.7.B.4| | 2 |
| Front Brake pipe leaking |3.6.A.1| | 2 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 2 |
| Nearside Front Brake hose leaking |3.6.A.1| | 2 |
| Offside Front position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 2 |
| Offside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 2 |
| Nearside Front Body has a sharp edge caused by corrosion |6.1.C.1| | 2 |
| Offside Front Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 2 |
| Offside Headlamp not working on main beam |1.7.5a| | 2 |
| Nearside Front suspension has excessive play in a pin or bush of an upper wishbone inner bearing |2.5.B.1a| | 2 |
| Centre Rear Seat belt locking mechanism does not secure or release |5.2.5a| | 2 |
| Nearside Rear Body has a sharp edge caused by damage |6.1.C.1| | 2 |
| Nearside Outer Rear Lower Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 2 |
| Front Body insecure and dangerous to other road users |6.1.B.1b| | 2 |