| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 171 |
| Exhaust emissions carbon monoxide content excessive |7.3.B.1a| | 110 |
| Parking brake: efficiency below requirements |3.7.B.7| | 96 |
| Brakes imbalanced across an axle | 69 |
| Registration plate lamp issues | 61 |
| Windscreen wiper does not clear the windscreen effectively | 59 |
| Rear parking brake recording little or no effort | 58 |
| Horn not working |1.6.2a| | 46 |
| Exhaust emissions carbon monoxide content excessive (8.2.1.2 (b)) | 40 |
| Service brake: efficiency below requirements |3.7.B.7| | 40 |
| Exhaust emissions hydrocarbon content excessive |7.3.B.1b| | 39 |
| Offside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 36 |
| Offside Rear fog lamp not working |1.3.2b| | 35 |
| Rear fog lamp not working |1.3.2b| | 33 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 29 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 28 |
| Rear fog lamp tell tale not working |1.3.1b| | 26 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 25 |
| Nearside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 25 |
| Registration plate issues | 23 |
| Offside Steering rack gaiter split |2.2.D.2d| | 23 |
| Offside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 23 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 19 |
| Hazard warning lamps inoperative |1.4.B.1b| | 19 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 19 |
| Exhaust emissions hydrocarbon content excessive (8.2.1.2 (b)) | 19 |
| Brake pipe excessively corroded | 19 |
| Windscreen washer not working | 18 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 18 |
| Nearside Headlamp not working on main beam |1.7.5a| | 17 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 16 |
| Offside Headlamp not working on main beam |1.7.5a| | 15 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 14 |
| Nearside Stop lamp not working |1.2.1b| | 14 |
| Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 14 |
| Hazard warning tell tale not working correctly |1.4.B.1e| | 14 |
| Offside Stop lamp not working |1.2.1b| | 13 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 13 |
| Direction indicators not working |1.4.A.2c| | 13 |
| Hazard warning switch faulty |1.4.B.1d| | 13 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 12 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 12 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 12 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 12 |
| Rear brake binding | 12 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 11 |
| Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 11 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 11 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 11 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 10 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 10 |
| Driver`s seat insecure |6.2.A.1| | 10 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 10 |
| Rear Sub-frame corroded and seriously weakened |2.4.G.1| | 10 |
| Offside Front Sub-frame attachment rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 10 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 10 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 10 |
| Rear brake application uneven | 9 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 9 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 9 |
| Offside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 9 |
| Nearside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 9 |
| Nearside Front Sub-frame attachment rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 9 |
| Nearside Front Steering rack gaiter split |2.2.D.2d| | 9 |
| Exhaust emissions carbon monoxide content excessive |8.2.1.2 |b|| | 9 |
| Rear fog lamp missing |1.3.2a| | 8 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 8 |
| Parking brake lever has no reserve travel |3.1.6b| | 8 |
| All position lamps not working |1.1.A.3b| | 8 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 8 |
| Nearside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 8 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 8 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 8 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 8 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 8 |
| Windscreen wiper not operating automatically when switched on |8.2.1b| | 8 |
| Direction indicators flashing less than 60 times a minute |1.4.A.2g| | 8 |
| Emissions not tested |7.0| | 7 |
| Battery insecure |1.9.1| | 7 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 7 |
| Horn not working (7.7 (a) (ii)) | 7 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 7 |
| Stop lamp not working |1.2.1b| | 7 |
| Offside Headlamp insecure |1.7.3| | 7 |
| Rear Exhaust system not adequately supported |7.1.1| | 7 |
| Front Windscreen wiper not operating automatically when switched on |8.2.1b| | 7 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 6 |
| Service brake efficiency less than 50% of the required value (1.2.2 (a) (ii)) | 6 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 6 |
| Nearside Steering rack gaiter missing or no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 6 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 6 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 6 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 6 |
| Brake hose excessively deteriorated | 6 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 6 |
| Offside Rear fog lamp missing |1.3.2a| | 6 |
| Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 6 |
| Windscreen wiper not working (3.4 (a)) | 6 |
| Offside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 6 |
| Nearside Rear Sub-frame corroded and seriously weakened |2.4.G.1| | 6 |
| Horn not working (7.7 (a)) | 6 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 6 |
| Indicator tell tale inoperative |1.4.A.2a| | 6 |
| Stop lamp(s) all not working (4.3.1 (a) (iii)) | 6 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 6 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 6 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 5 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 5 |
| Exhaust engine idle speed too high |7.3.A.2a| | 5 |
| Brake pedal spongy |3.3.B.1b| | 5 |
| Offside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 5 |
| Steering column top mounting bracket insecure |2.1.2d| | 5 |
| Nearside Front Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 5 |
| Offside Rear Sub-frame corroded and seriously weakened |2.4.G.1| | 5 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 5 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 5 |
| rear brake recording little or no effort |3.7.B.5a| | 5 |
| Offside Front Direction indicator not working |1.4.A.2c| | 5 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 5 |
| Rear fog lamp not working |4.5.1 |a| |ii|| | 5 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 5 |
| Offside Obligatory mirror missing |8.1.1| | 5 |
| Offside Front Steering rack gaiter split |2.2.D.2d| | 5 |
| All direction indicators not working (4.4.1 (a) (ii)) | 5 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 5 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 5 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 4 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 4 |
| Nearside Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 4 |
| Brake hose has insufficient room to move | 4 |
| Nearside Front Sub-frame rubber bush bonding deteriorated resulting in excessive movement |2.4.G.2| | 4 |
| Front brake application uneven | 4 |
| Offside Steering rack gaiter missing or no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 4 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 4 |
| Rear fog lamp tell tale missing |1.3.1b| | 4 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 4 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Exhaust emissions - engine idle speed too high (8.2.1.2 (e)) | 4 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 4 |
| Brake pedal anti-slip provision missing (1.1.2 (c)) | 4 |
| Offside Headlamp aim not tested |1.8.A.1c| | 4 |
| Direction indicators flashing more than 120 times a minute |1.4.A.2g| | 4 |
| Nearside Windscreen wiper not operating automatically when switched on |8.2.1b| | 4 |
| Offside Windscreen wiper not operating automatically when switched on |8.2.1b| | 4 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 4 |
| Stop lamp remains on when the brakes are released | 4 |
| Service brake efficiency below requirements |1.2.2 |a| |i|| | 4 |
| Nearside Front Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 4 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 4 |
| Nearside Stop lamp emits other than a steady red light |1.2.1e| | 4 |
| Nearside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 4 |
| Offside Rear Subframe mounting prescribed area excessively corroded significantly reducing structural strength (5.3.6 (a) (i)) | 4 |
| Offside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 4 |
| Nearside Rear Radius arm has excessive play in a pin/bearing |2.4.G.2| | 4 |
| Vehicle Identification Number not permanently displayed |6.3.5.a| | 4 |
| Offside Rear Rear fog lamp missing |1.3.2a| | 4 |
| Nearside Rear Rear wheel bearing rough when rotated |2.6.1| | 4 |
| Offside Front Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 4 |
| Nearside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 4 |
| Offside Indicator tell tale inoperative |1.4.A.2a| | 4 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 4 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 4 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 4 |
| Fuel cap/sealing device sealing washer deteriorated |7.2.4c| | 4 |
| Steering rack insecure |2.2.B.1a| | 4 |
| Fuel pipe leaking |7.2.3| | 4 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 4 |
| Offside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 4 |
| Exhaust emissions hydrocarbon content excessive |8.2.1.2 |b|| | 4 |
| Rear fog lamp switch missing |1.3.1a| | 4 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 4 |
| Nearside Front Shock absorber has negligible damping effect |2.7.5| | 4 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 3 |
| Offside Headlamp not working on main beam (4.1.1 (a) (ii)) | 3 |
| Nearside Rear Hydraulic brake cylinder leaking hydraulic fluid (1.1.16 (b) (i)) | 3 |
| Nearside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 3 |
| Nearside Hazard warning lamps inoperative |1.4.B.1b| | 3 |
| Offside Front constant velocity joint is insecure |2.5.C.1b| | 3 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 3 |
| Steering column movement between the shaft and steering wheel |2.1.2b| | 3 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 3 |
| Nearside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 3 |
| Offside Front Sub-frame attachment bracket/mounting insecure |2.4.G.1| | 3 |
| Offside Seat belt anchorage prescribed area is inadequately repaired |5.2.6| | 3 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 3 |
| Emissions not tested |7.3.A.1| | 3 |
| Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Nearside Track rod end loose |2.2.B.1d| | 3 |
| Nearside Headlamp insecure |1.7.3| | 3 |
| Nearside Windscreen wiper blade missing |8.2.2| | 3 |
| Offside Front Sub-frame has excessive play in a pin/bush |2.4.G.2| | 3 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 3 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 3 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 3 |
| Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 3 |
| Nearside Rear Subframe mounting prescribed area excessively corroded significantly reducing structural strength (5.3.6 (a) (i)) | 3 |
| Offside Front Tie bar/rod severely distorted |2.4.G.1| | 3 |
| Front Front position lamp|s| incorrect colour |1.1.A.3e| | 3 |
| Exhaust system not adequately supported |7.1.1| | 3 |
| Nearside Front Lower Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Windscreen wiper blade insecure | 3 |
| Nearside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 3 |
| Electrical wiring insecure |1.9.2a| | 3 |
| Headlamp switch insecure |1.7.1| | 3 |
| Offside Rear Sub-frame attachment rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Nearside Front Wheel nut|s| missing |4.2.A.1e| | 3 |
| Nearside Front Lower Suspension component ball joint excessively worn (5.3.4 (a) (i)) | 3 |
| Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 3 |
| Offside Rear wheel bearing has excessive play |2.6.2| | 3 |
| Offside Front Obligatory mirror missing |8.1.1| | 3 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 3 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 3 |
| Offside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 3 |
| Headlamp not working on main beam |1.7.5a| | 3 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 3 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 3 |
| Offside Front Upper Ball joint has excessive play |2.2.B.1f| | 3 |
| Offside Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Offside Windscreen wiper not operating over a large enough area to give an adequate view |8.2.1c| | 3 |
| Offside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 3 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 3 |
| Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 3 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 3 |
| Offside Rear Service brake effort inadequate at a wheel (1.2.1 (a) (i)) | 3 |
| Offside Front Suspension has inadequate clearance with the bump stop |2.4.A.1a| | 3 |
| Nearside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 3 |
| Offside Stop lamp emits other than a steady red light |1.2.1e| | 3 |
| Windscreen has a sticker or other obstruction encroaching by more than 10mm within zone `A` |8.3.1b| | 3 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 3 |
| Nearside Rear Rear wheel bearing has excessive play |2.6.2| | 3 |