| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 142 |
| Windscreen wiper does not clear the windscreen effectively | 93 |
| Registration plate lamp issues | 79 |
| Horn not working |1.6.2a| | 57 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 51 |
| Brakes imbalanced across an axle | 49 |
| Offside Stop lamp not working |1.2.1b| | 44 |
| Parking brake: efficiency below requirements |3.7.B.7| | 40 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 37 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 37 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 34 |
| Rear parking brake recording little or no effort | 29 |
| Rear brake binding | 27 |
| Nearside Stop lamp not working |1.2.1b| | 26 |
| Registration plate issues | 25 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 23 |
| Offside Rear fog lamp not working |1.3.2b| | 21 |
| Battery insecure |1.9.1| | 20 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 18 |
| Front brake disc in such a condition that it is seriously weakened | 18 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 17 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 17 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 16 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 15 |
| Nearside front brake binding |3.7.B.1| | 15 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 14 |
| Offside front brake binding |3.7.B.1| | 14 |
| Offside Rear Stop lamp not working |1.2.1b| | 14 |
| Brake pipe excessively corroded | 14 |
| Nearside Rear Stop lamp not working |1.2.1b| | 13 |
| Rear fog lamp tell tale not working |1.3.1b| | 13 |
| Nearside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 13 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 12 |
| Front brake application uneven | 12 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 11 |
| 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| | 11 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 11 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 10 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 10 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 10 |
| Anti-lock braking system warning lamp indicates an ABS fault | 10 |
| Parking brake lever has no reserve travel |3.1.6b| | 10 |
| 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| | 9 |
| Fuel system component leaking |7.2.3| | 9 |
| Windscreen wiper blade insecure | 9 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 9 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 9 |
| Windscreen has damage | 9 |
| Nearside Front front brake binding |3.7.B.1| | 8 |
| Offside Front front brake binding |3.7.B.1| | 8 |
| Nearside Outer Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 8 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 8 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 8 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 7 |
| Emissions not tested |7.0| | 7 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 7 |
| Rear brake disc in such a condition that it is seriously weakened | 7 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 7 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 7 |
| Nearside Rear passenger door cannot be opened from outside the vehicle |6.2.B.1c| | 7 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 7 |
| Stop lamp not working |1.2.1b| | 6 |
| Offside Rear passenger door cannot be opened from outside the vehicle |6.2.B.1c| | 6 |
| Rear brake application uneven | 6 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 6 |
| Nearside Rear Upper Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 6 |
| Horn not working (7.7 (a) (ii)) | 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 |
| Horn not working (7.7 (a)) | 5 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 5 |
| Rear fog lamp not working |1.3.2b| | 5 |
| Mechanical brake component has restricted free movement | 5 |
| Offside Outer Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 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 |
| 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| | 5 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 5 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 5 |
| Offside Front Service brake excessively binding |1.2.1 |f|| | 5 |
| Rear Mechanical brake component has restricted free movement | 5 |
| Windscreen washer not working | 5 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 5 |
| Nearside Front Front position lamp|s| incorrect colour |1.1.A.3e| | 4 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 4 |
| Front brake excessively fluctuating | 4 |
| Rear fog lamp switch faulty |1.3.1a| | 4 |
| Exhaust catalytic converter missing where one was fitted as standard |7.1.3| | 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 |
| Service brake: efficiency below requirements |3.7.B.7| | 4 |
| Nearside Headlamp aim beam image kick up to the offside |1.8| | 4 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 4 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 4 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 4 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 4 |
| Offside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 4 |
| Offside Front Front position lamp|s| incorrect colour |1.1.A.3e| | 3 |
| Front passenger door cannot be opened from outside the vehicle |6.2.B.1b| | 3 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 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 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 3 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 3 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 3 |
| Nearside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 3 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 3 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 3 |
| Nearside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Offside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Offside Headlamp aim beam image kick up to the offside |1.8| | 3 |
| Nearside Rear Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 3 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 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 |
| Power steering pump drive system defective |2.3.6| | 3 |
| Nearside Steering rack gaiter missing or no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 3 |
| Offside Front Upper Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 3 |
| Front Fuel system component leaking |7.2.3| | 3 |
| Offside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 3 |
| Brake hose excessively deteriorated | 3 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 3 |
| Front Front position lamp|s| not working |1.1.A.3b| | 3 |
| Offside Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 3 |
| Horn not loud enough to be heard by another road user |1.6.2b| | 3 |
| Nearside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 3 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 3 |
| Offside Front brake disc excessively pitted |3.5.1h| | 3 |