| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 1316 |
| Headlamp aim out of alignment | 842 |
| Registration plate lamp issues | 841 |
| Windscreen wiper does not clear the windscreen effectively | 763 |
| Parking brake: efficiency below requirements |3.7.B.7| | 631 |
| Horn not working |1.6.2a| | 503 |
| Service brake: efficiency below requirements |3.7.B.7| | 281 |
| Nearside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 257 |
| Brakes imbalanced across an axle | 255 |
| Rear brake binding | 246 |
| Nearside Stop lamp not working |1.2.1b| | 226 |
| Rear parking brake recording little or no effort | 215 |
| Offside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 213 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 207 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 207 |
| Offside Stop lamp not working |1.2.1b| | 204 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 151 |
| Offside Rear fog lamp not working |1.3.2b| | 150 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 146 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 138 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 133 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 132 |
| Windscreen has damage | 131 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 126 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 119 |
| Registration plate issues | 119 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 118 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 114 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 112 |
| Exhaust system not adequately supported |7.1.1| | 109 |
| Parking brake lever has no reserve travel |3.1.6b| | 106 |
| Nearside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 102 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 102 |
| Nearside Rear Stop lamp not working |1.2.1b| | 98 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 98 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 96 |
| Offside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 94 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 92 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 91 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 91 |
| Offside Rear Stop lamp not working |1.2.1b| | 90 |
| Brake hose excessively deteriorated | 87 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 84 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 83 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 82 |
| Exhaust mounting missing |7.1.1b| | 81 |
| Centre Exhaust mounting missing |7.1.1b| | 80 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 79 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 76 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 76 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 74 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 73 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 72 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 72 |
| Front brake disc in such a condition that it is seriously weakened | 65 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 65 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 64 |
| Centre Exhaust system not adequately supported |7.1.1| | 63 |
| Rear brake application uneven | 61 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 59 |
| Nearside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 59 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 59 |
| Offside Rear wheel bearing has excessive play |2.6.2| | 57 |
| Front brake application uneven | 56 |
| Emissions not tested |7.0| | 55 |
| Centre Seat belt locking mechanism does not secure or release |5.2.5a| | 55 |
| Offside Front Macpherson strut upper support bearing is stiff in operation |2.5.B.1b| | 55 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 54 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 54 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 53 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 53 |
| Nearside Front Macpherson strut upper support bearing is stiff in operation |2.5.B.1b| | 52 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 52 |
| Offside Headlamp not working on main beam |1.7.5a| | 50 |
| Brake pedal anti-slip provision incomplete |3.3.A.1b| | 50 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 49 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 47 |
| Brake pedal anti-slip provision worn smooth |3.3.A.1b| | 46 |
| Nearside Headlamp not working on main beam |1.7.5a| | 46 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 46 |
| Fuel system component leaking |7.2.3| | 45 |
| Offside Front brake disc excessively pitted |3.5.1h| | 45 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 44 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 44 |
| Rear fog lamp tell tale not working |1.3.1b| | 44 |
| Brake load sensing valve linkage seized |3.6.E.3| | 42 |
| Offside Front Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 42 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 42 |
| Exhaust emits an excessive level of metered smoke for a non-turbo charged engine |7.4.B.3b| | 42 |
| Offside Front Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 42 |
| Rear Mechanical brake component has restricted free movement | 42 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 41 |
| Offside front brake binding |3.7.B.1| | 41 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 40 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 40 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 40 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 40 |
| Nearside Front Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 39 |
| Nearside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 39 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 39 |
| Battery insecure |1.9.1| | 38 |
| Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 38 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 38 |
| Nearside front brake binding |3.7.B.1| | 37 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 37 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 37 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 37 |
| Nearside Rear Body has a sharp edge caused by corrosion |6.1.C.1| | 36 |
| Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 36 |
| Direction indicators incorrect colour |1.4.A.2f| | 36 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 35 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 34 |
| Nearside Front Direction indicators incorrect colour |1.4.A.2f| | 34 |
| Offside Steering rack gaiter split |2.2.D.2d| | 34 |
| Nearside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 33 |
| Offside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 33 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 32 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 32 |
| Steering system excessively tight |2.2.D.1| | 32 |
| Nearside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 32 |
| Nearside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 32 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 31 |
| Offside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 31 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 30 |
| Offside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 30 |
| Brake performance not tested |3.7.A.1| | 30 |
| Centre Front Seat belt locking mechanism does not secure or release |5.2.5a| | 30 |
| Offside Side repeater not working |1.4.A.2c| | 29 |
| Nearside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 29 |
| Offside Rear Body has a sharp edge caused by corrosion |6.1.C.1| | 29 |
| Nearside Front Macpherson strut upper support bearing is rough in operation |2.5.B.1b| | 29 |
| Hazard warning switch faulty |1.4.B.1d| | 29 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 29 |
| Bonnet cannot be secured in the closed position |8.4.1| | 29 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 28 |
| Rear Exhaust system not adequately supported |7.1.1| | 28 |
| Offside Rear Rear wheel bearing has excessive play |2.6.2| | 28 |
| Horn not loud enough to be heard by another road user |1.6.2b| | 28 |
| Nearside Rear Rear wheel bearing has excessive play |2.6.2| | 28 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 28 |
| Stop lamp not working |1.2.1b| | 27 |
| Nearside Side repeater not working |1.4.A.2c| | 27 |
| Offside Front Macpherson strut upper support bearing is rough in operation |2.5.B.1b| | 27 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 27 |
| Offside Front Direction indicators incorrect colour |1.4.A.2f| | 26 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 26 |
| Nearside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 26 |
| Offside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 26 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 26 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 25 |
| Offside Front Brake pipe leaking |3.6.A.1| | 25 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 25 |
| Nearside Front Shock absorber has negligible damping effect |2.7.5| | 25 |
| Windscreen wiper blade insecure | 24 |
| Direction indicators not working |1.4.A.2c| | 24 |
| Nearside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 24 |
| Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 24 |
| Offside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 23 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 23 |
| Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 23 |
| Front brake disc excessively pitted |3.5.1h| | 23 |
| Nearside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 22 |
| Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 22 |
| Nearside Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 22 |
| Nearside Front Brake pipe leaking |3.6.A.1| | 22 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 22 |
| Rear Exhaust mounting missing |7.1.1b| | 21 |
| Nearside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 21 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 20 |
| Offside Rear Shock absorber has negligible damping effect |2.7.5| | 20 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 20 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 20 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 20 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 19 |
| Front position lamp|s| not working |1.1.A.3b| | 19 |
| Offside Front front brake binding |3.7.B.1| | 19 |
| Rear Stop lamp not working |1.2.1b| | 19 |
| Rear fog lamp switch faulty |1.3.1a| | 19 |
| Front Windscreen wiper not operating automatically when switched on |8.2.1b| | 19 |
| Nearside Rear Shock absorber has negligible damping effect |2.7.5| | 19 |
| Offside Front Shock absorber has negligible damping effect |2.7.5| | 19 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 19 |
| Rear fog lamp not working |1.3.2b| | 18 |
| Offside Rear Rear wheel bearing rough when rotated |2.6.1| | 18 |
| Nearside Rear position lamp|s| incomplete |1.1.4a| | 18 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 18 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 18 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 18 |
| Offside Stop lamp emits other than a steady red light |1.2.1e| | 17 |
| Offside Front Direction indicator not working |1.4.A.2c| | 17 |
| Nearside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 16 |
| Spare wheel carrier insecure |6.4.2| | 16 |
| Fuel cap/sealing device does not fasten securely by positive means |7.2.4b| | 16 |
| Nearside Front Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 16 |
| Nearside Stop lamp excessively damaged so that it is not visible from a reasonable distance |1.2.1d| | 16 |
| Front Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 16 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 16 |
| Nearside Inner Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 16 |
| Offside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 16 |
| Offside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 16 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 15 |
| Nearside Front Lower Ball joint has excessive play |2.2.B.1f| | 15 |
| Offside Front Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 15 |
| Centre Exhaust has part of the system excessively deteriorated |7.1.1a| | 15 |
| Offside Front Braking system leaking |3.6.A.1| | 15 |
| Offside Front Ball joint has excessive play |2.2.B.1f| | 15 |
| Direction indicator incorrect colour |1.4.A.2f| | 15 |
| Offside Rear Rear position lamp|s| incomplete |1.1.4a| | 15 |
| Brake pedal spongy |3.3.B.1b| | 15 |
| Nearside Rear Rear wheel bearing rough when rotated |2.6.1| | 15 |
| Offside Rear position lamp|s| incomplete |1.1.4a| | 14 |
| Windscreen wiper not operating automatically when switched on |8.2.1b| | 14 |
| Brake pedal creeps down when held under pressure |3.3.B.1a| | 14 |
| Nearside Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 14 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 14 |
| Nearside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 14 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 14 |
| Nearside Rear Stop lamp emits other than a steady red light |1.2.1e| | 14 |
| Brake pipe leaking |3.6.A.1| | 14 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 14 |
| Rear Rear fog lamp not working |1.3.2b| | 14 |