| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 3725 |
| Registration plate lamp issues | 2709 |
| Headlamp aim out of alignment | 2370 |
| Windscreen wiper does not clear the windscreen effectively | 2100 |
| Horn not working |1.6.2a| | 1336 |
| Parking brake: efficiency below requirements |3.7.B.7| | 1048 |
| Nearside Stop lamp not working |1.2.1b| | 694 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 680 |
| Offside Stop lamp not working |1.2.1b| | 671 |
| Nearside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 651 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 600 |
| Offside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 574 |
| Service brake: efficiency below requirements |3.7.B.7| | 556 |
| Registration plate issues | 525 |
| Brakes imbalanced across an axle | 521 |
| Rear brake binding | 520 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 401 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 390 |
| Windscreen has damage | 374 |
| Rear parking brake recording little or no effort | 370 |
| Offside Rear fog lamp not working |1.3.2b| | 343 |
| Exhaust system not adequately supported |7.1.1| | 300 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 289 |
| Nearside Rear Stop lamp not working |1.2.1b| | 280 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 275 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 274 |
| Offside Rear Stop lamp not working |1.2.1b| | 272 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 266 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 258 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 254 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 253 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 244 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 238 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 238 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 228 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 221 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 215 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 215 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 214 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 212 |
| Offside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 197 |
| Centre Exhaust system not adequately supported |7.1.1| | 194 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 193 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 190 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 174 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 173 |
| Nearside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 173 |
| Front brake disc in such a condition that it is seriously weakened | 172 |
| Brake hose excessively deteriorated | 171 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 167 |
| Rear brake application uneven | 157 |
| Parking brake lever has no reserve travel |3.1.6b| | 157 |
| Exhaust mounting missing |7.1.1b| | 155 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 152 |
| Centre Exhaust mounting missing |7.1.1b| | 150 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 145 |
| Hazard warning tell tale not working correctly |1.4.B.1e| | 144 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 144 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 143 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 141 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 139 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 134 |
| Nearside Front Macpherson strut upper support bearing is stiff in operation |2.5.B.1b| | 134 |
| Offside Rear wheel bearing has excessive play |2.6.2| | 133 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 131 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 127 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 125 |
| Offside Front Macpherson strut upper support bearing is stiff in operation |2.5.B.1b| | 119 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 118 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 118 |
| Brake pedal anti-slip provision incomplete |3.3.A.1b| | 116 |
| Brake load sensing valve linkage seized |3.6.E.3| | 113 |
| Hazard warning switch faulty |1.4.B.1d| | 112 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 106 |
| Emissions not tested |7.0| | 104 |
| Battery insecure |1.9.1| | 100 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 100 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 99 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 99 |
| Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 98 |
| Exhaust emits an excessive level of metered smoke for a non-turbo charged engine |7.4.B.3b| | 96 |
| Nearside Headlamp not working on main beam |1.7.5a| | 96 |
| Nearside Front Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 95 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 94 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 94 |
| Nearside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 93 |
| Offside Headlamp not working on main beam |1.7.5a| | 93 |
| Offside Front Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 92 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 92 |
| Nearside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 90 |
| Rear fog lamp tell tale not working |1.3.1b| | 90 |
| Stop lamp not working |1.2.1b| | 90 |
| Offside Front Direction indicators incorrect colour |1.4.A.2f| | 88 |
| Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 88 |
| Steering system excessively tight |2.2.D.1| | 87 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 87 |
| Horn not loud enough to be heard by another road user |1.6.2b| | 87 |
| Nearside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 87 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 85 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 85 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 85 |
| Nearside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 85 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 83 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 83 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 81 |
| Nearside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 81 |
| Windscreen wiper blade insecure | 81 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 80 |
| Nearside Front Direction indicators incorrect colour |1.4.A.2f| | 79 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 78 |
| Front brake application uneven | 78 |
| Centre Seat belt locking mechanism does not secure or release |5.2.5a| | 78 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 77 |
| Offside Front brake disc excessively pitted |3.5.1h| | 75 |
| Fuel system component leaking |7.2.3| | 75 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 74 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 74 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 73 |
| Nearside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 73 |
| Nearside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 71 |
| Direction indicators incorrect colour |1.4.A.2f| | 70 |
| Offside front brake binding |3.7.B.1| | 70 |
| Nearside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 70 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 70 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 68 |
| Brake pedal anti-slip provision worn smooth |3.3.A.1b| | 68 |
| Offside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 67 |
| Offside Rear Rear wheel bearing has excessive play |2.6.2| | 67 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 66 |
| Centre Front Seat belt locking mechanism does not secure or release |5.2.5a| | 66 |
| Offside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 65 |
| Nearside Rear Rear wheel bearing has excessive play |2.6.2| | 65 |
| Nearside Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 64 |
| Rear Exhaust system not adequately supported |7.1.1| | 64 |
| Nearside Front Macpherson strut upper support bearing is rough in operation |2.5.B.1b| | 64 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 64 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 62 |
| Offside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 62 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 61 |
| Nearside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 61 |
| Offside Front Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 61 |
| Offside Front Macpherson strut upper support bearing is rough in operation |2.5.B.1b| | 61 |
| Rear Mechanical brake component has restricted free movement | 59 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 58 |
| Front position lamp|s| not working |1.1.A.3b| | 58 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 57 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 56 |
| Offside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 54 |
| Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 53 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 53 |
| Nearside front brake binding |3.7.B.1| | 52 |
| Rear fog lamp not working |1.3.2b| | 52 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 52 |
| Brake hydraulic reservoir fluid level below minimum level |3.6.G.1b| | 50 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 49 |
| Offside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 49 |
| Offside Front Direction indicator not working |1.4.A.2c| | 49 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 48 |
| Nearside Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 48 |
| Brake performance not tested |3.7.A.1| | 46 |
| Nearside Rear Shock absorber has negligible damping effect |2.7.5| | 46 |
| Rear fog lamp switch faulty |1.3.1a| | 45 |
| Offside Front front brake binding |3.7.B.1| | 45 |
| Offside Rear Shock absorber has negligible damping effect |2.7.5| | 45 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 44 |
| Nearside Rear Shock absorber casing corroded externally so the unit does not function |2.7.2a| | 44 |
| Rear Exhaust mounting missing |7.1.1b| | 44 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 43 |
| Offside Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 42 |
| Offside Rear reflector missing |1.5.1a| | 42 |
| Offside Rear position lamp|s| incomplete |1.1.4a| | 42 |
| Nearside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 42 |
| Offside Side repeater not working |1.4.A.2c| | 42 |
| Nearside Front Lower Ball joint has excessive play |2.2.B.1f| | 42 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 42 |
| Rear Brake load sensing valve linkage seized |3.6.E.3| | 41 |
| Offside Front Lower Ball joint has excessive play |2.2.B.1f| | 41 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 40 |
| Rear Direction indicator incorrect colour |1.4.A.2f| | 40 |
| Offside Front Brake pipe leaking |3.6.A.1| | 40 |
| Rear Direction indicators incorrect colour |1.4.A.2f| | 40 |
| Brake load sensing valve seized |3.6.E.3| | 39 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 39 |
| Front brake disc excessively pitted |3.5.1h| | 38 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 38 |
| Nearside Side repeater not working |1.4.A.2c| | 38 |
| Centre Exhaust has part of the system excessively deteriorated |7.1.1a| | 38 |
| Nearside Stop lamp emits other than a steady red light |1.2.1e| | 38 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 37 |
| Offside Stop lamp emits other than a steady red light |1.2.1e| | 37 |
| Rear Stop lamp not working |1.2.1b| | 37 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 36 |
| Offside Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 36 |
| All position lamps not working |1.1.A.3b| | 36 |
| Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 36 |
| Nearside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 35 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 35 |
| Transmission brake efficiency below requirements |3.8.A.9/10| | 35 |
| Nearside Rear position lamp|s| incomplete |1.1.4a| | 35 |