| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 332 |
| Windscreen wiper does not clear the windscreen effectively | 156 |
| Registration plate lamp issues | 144 |
| Headlamp aim out of alignment | 115 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 59 |
| Offside Stop lamp not working |1.2.1b| | 54 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 53 |
| Nearside Stop lamp not working |1.2.1b| | 52 |
| Parking brake: efficiency below requirements |3.7.B.7| | 51 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 50 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 42 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 41 |
| Rear parking brake recording little or no effort | 39 |
| Registration plate issues | 38 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 36 |
| Offside Rear fog lamp not working |1.3.2b| | 34 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 33 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 30 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 26 |
| Service brake: efficiency below requirements |3.7.B.7| | 23 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 22 |
| Brakes imbalanced across an axle | 22 |
| Rear brake binding | 21 |
| Nearside Rear Stop lamp not working |1.2.1b| | 21 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 21 |
| Anti-lock braking system warning lamp indicates an ABS fault | 20 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 18 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 18 |
| Emissions not tested |7.0| | 17 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 16 |
| Brake hose excessively deteriorated | 16 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 14 |
| Offside Rear Stop lamp not working |1.2.1b| | 14 |
| Windscreen has damage | 13 |
| Parking brake lever has no reserve travel |3.1.6b| | 13 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 12 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 12 |
| Nearside Front Shock absorber has an excessively worn bush |2.7.4| | 12 |
| Offside Front Shock absorber has an excessively worn bush |2.7.4| | 11 |
| Nearside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 11 |
| Battery insecure |1.9.1| | 11 |
| Brake pedal spongy |3.3.B.1b| | 10 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 10 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 9 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 9 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 9 |
| Rear Mechanical brake component has restricted free movement | 9 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 9 |
| Rear Rear fog lamp not working |1.3.2b| | 8 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 8 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 8 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 8 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 8 |
| Offside Outer Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 8 |
| Rear fog lamp not working |1.3.2b| | 8 |
| Steering column top mounting bracket insecure |2.1.2d| | 7 |
| Service brake: efficiency below requirements |3.7.C.1a| | 7 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 7 |
| Offside Front Lower Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 7 |
| Fuel tank leaking |7.2.3| | 7 |
| Power steering pipe|s| or hose|s| leaking |2.3.3b| | 7 |
| Emissions not tested |7.3.A.1| | 6 |
| Nearside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 6 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 6 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 6 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 6 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 6 |
| Steering column top bearing excessively worn |2.1.2c| | 6 |
| Rear fog lamp tell tale not working |1.3.1b| | 6 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 6 |
| Nearside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 6 |
| Rear brake disc in such a condition that it is seriously weakened | 6 |
| Offside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 6 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 6 |
| Fuel pipe leaking |7.2.3| | 6 |
| Nearside Front Lower Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 6 |
| Nearside Front Exhaust has a major leak of exhaust gases |7.1.2| | 5 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 5 |
| Offside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 5 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 5 |
| Centre Exhaust has part of the system excessively deteriorated |7.1.1a| | 5 |
| Brake hydraulic reservoir fluid level below minimum level |3.6.G.1b| | 5 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 5 |
| Mechanical brake component has restricted free movement | 5 |
| Brake performance not tested |3.7.A.1| | 5 |
| Steering system has excessive free play detected at the steering wheel |steering box fitted| |2.2.A.1a| | 5 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 5 |
| Nearside Front Lower Shock absorber has an excessively worn bush |2.7.4| | 5 |
| Offside Front Lower Shock absorber has an excessively worn bush |2.7.4| | 5 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 5 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 4 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 4 |
| Rear Braking system leaking |3.6.A.1| | 4 |
| Exhaust noise is clearly in excess of that emitted by a similar vehicle fitted with a standard silencer in average condition |7.1.4| | 4 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 4 |
| Nearside front brake binding |3.7.B.1| | 4 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 4 |
| Exhaust tailpipe not capable of allowing the emission probe to be inserted |7.3.D.1| | 4 |
| Offside Headlamp not working on main beam |1.7.5a| | 4 |
| Offside Front front brake binding |3.7.B.1| | 4 |
| Rear Exhaust system not adequately supported |7.1.1| | 4 |
| Offside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 4 |
| Nearside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 4 |
| 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| | 4 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 4 |
| Steering column movement between the shaft and steering wheel |2.1.2b| | 4 |
| Nearside Front Lower Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 4 |
| Nearside Outer 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 Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 4 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 4 |
| Emissions not tested (8.2.1.2 (d)) | 4 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 4 |
| Nearside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 4 |
| Brake pedal creeps down when held under pressure |3.3.B.1a| | 3 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 3 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 3 |
| Offside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 3 |
| Nearside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 3 |
| Power steering component|s| leaking |2.3.3b| | 3 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 3 |
| Fuel system component leaking |7.2.3| | 3 |
| Horn not working |1.6.2a| | 3 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 3 |
| Offside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt |5.3.4 |b| |ii|| | 3 |
| Nearside Rear coil spring fractured |2.4.C.1a| | 3 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 3 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 3 |
| Rear Exhaust has a part missing |7.1.1a| | 3 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 3 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 3 |
| 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| | 3 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 3 |
| Exhaust system not adequately supported |7.1.1| | 3 |
| Nearside Rear Shock absorber has negligible damping effect |2.7.5| | 3 |
| Offside Rear Rear position lamp|s| not working |1.1.A.3b| | 3 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 3 |
| Front brake disc in such a condition that it is seriously weakened | 3 |
| Offside Front 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 Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 3 |
| Centre Exhaust system not adequately supported |7.1.1| | 3 |
| Nearside Front front brake binding |3.7.B.1| | 3 |
| Nearside Front Wheel nut|s| missing |4.2.A.1e| | 3 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 3 |
| Offside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt |5.3.4 |b| |ii|| | 3 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 3 |
| Offside front brake binding |3.7.B.1| | 3 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 3 |
| Nearside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 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 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 3 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 3 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 3 |
| Stop lamp not working |1.2.1b| | 3 |
| Nearside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 3 |
| Exhaust carbon monoxide content at idle exceeds manufacturers specified limits (8.2.1.2 (b)) | 3 |
| Offside Rear position lamp|s| incorrect colour |1.1.A.3e| | 3 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 3 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 3 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 3 |
| Offside Front Upper Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 3 |
| Nearside Front Service brake excessively binding |1.2.1 |f|| | 3 |
| Nearside Body insecure and dangerous to other road users |6.1.B.1b| | 3 |
| Rear brake disc excessively pitted |3.5.1h| | 3 |
| Trailer electrical socket insecure |1.9.3a| | 3 |
| Exhaust carbon monoxide content at idle exceeds default limits (8.2.1.2 (b)) | 3 |
| Offside Front Brake pipe leaking |3.6.A.1| | 3 |
| Offside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 3 |