| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 413 |
| Windscreen wiper does not clear the windscreen effectively | 252 |
| Registration plate lamp issues | 226 |
| Headlamp aim out of alignment | 197 |
| Anti-lock braking system warning lamp indicates an ABS fault | 111 |
| Service brake: efficiency below requirements |3.7.B.7| | 94 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 91 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 81 |
| Registration plate issues | 80 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 61 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 61 |
| Brakes imbalanced across an axle | 55 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 46 |
| Offside Stop lamp not working |1.2.1b| | 42 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 42 |
| Nearside Stop lamp not working |1.2.1b| | 39 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 38 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 37 |
| Parking brake: efficiency below requirements |3.7.B.7| | 29 |
| Rear parking brake recording little or no effort | 29 |
| Steering column top mounting bracket insecure |2.1.2d| | 26 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 26 |
| Steering column top bearing excessively worn |2.1.2c| | 26 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 26 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 25 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 23 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 23 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 22 |
| Windscreen wiper blade insecure | 20 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 20 |
| Nearside Rear Stop lamp not working |1.2.1b| | 19 |
| Nearside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 19 |
| Steering column movement between the shaft and steering wheel |2.1.2b| | 19 |
| Offside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 19 |
| Rear brake binding | 18 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 17 |
| Horn not working |1.6.2a| | 17 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 17 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 16 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 16 |
| Emissions not tested |7.0| | 16 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 16 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 15 |
| Windscreen has damage | 15 |
| Nearside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 15 |
| Service brake: efficiency below requirements |3.7.C.1a| | 15 |
| 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| | 15 |
| Offside Rear Stop lamp not working |1.2.1b| | 14 |
| Nearside front brake binding |3.7.B.1| | 14 |
| Offside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 14 |
| Rear brake disc in such a condition that it is seriously weakened | 13 |
| 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| | 12 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 12 |
| 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| | 12 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 12 |
| Nearside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 12 |
| Parking brake lever has no reserve travel |3.1.6b| | 12 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 12 |
| Centre Exhaust system not adequately supported |7.1.1| | 12 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 12 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 12 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 12 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 12 |
| Rear brake application uneven | 11 |
| Nearside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 11 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 11 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 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 |
| 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| | 11 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 11 |
| Exhaust system not adequately supported |7.1.1| | 11 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 10 |
| 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| | 10 |
| Exhaust tailpipe not capable of allowing the emission probe to be inserted |7.3.D.1| | 9 |
| Anti-lock braking system warning lamp does not illuminate |3.4.1b| | 9 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 9 |
| Battery insecure |1.9.1| | 9 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 8 |
| Offside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 8 |
| Offside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 8 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 8 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 8 |
| Nearside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 8 |
| Offside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 8 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 8 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 8 |
| Rear Exhaust system not adequately supported |7.1.1| | 8 |
| Nearside rear brake juddering severely |3.7.A.5b| | 7 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 7 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 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 |
| Offside Rear fog lamp not working |1.3.2b| | 7 |
| Offside front brake binding |3.7.B.1| | 7 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 7 |
| Windscreen has a sticker or other obstruction encroaching by more than 10mm within zone `A` |8.3.1b| | 7 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 7 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 7 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 7 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 6 |
| Offside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 6 |
| Front brake application uneven | 6 |
| Brake performance not tested |3.7.A.1| | 6 |
| Brake pedal spongy |3.3.B.1b| | 6 |
| Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b| | 6 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 6 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 6 |
| Offside Rear Wheel nut|s| missing |4.2.A.1e| | 6 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 6 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 6 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 6 |
| Nearside Front 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 Anti-roll bar linkage insecure |2.4.G.1| | 6 |
| Offside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 6 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 6 |
| Offside Front 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 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 5 |
| Fuel tank leaking |7.2.3| | 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 |
| Nearside Front front brake binding |3.7.B.1| | 5 |
| Fuel system component leaking |7.2.3| | 5 |
| Service brake efficiency below requirements |1.2.2 |a| |i|| | 5 |
| Front brake disc in such a condition that it is seriously weakened | 5 |
| Offside Front Lower Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 5 |
| Nearside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 5 |
| Brake pipe leaking |3.6.A.1| | 5 |
| Brake hose excessively deteriorated | 5 |
| Brake fluid warning lamp illuminated |3.6.G.2| | 5 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 5 |
| Offside Rear Anti-roll bar linkage rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 5 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 5 |