| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 110 |
| Headlamp aim out of alignment | 91 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 53 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 42 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 32 |
| Nearside Stop lamp not working |1.2.1b| | 24 |
| Offside Stop lamp not working |1.2.1b| | 24 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 22 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 22 |
| Registration plate lamp issues | 19 |
| Battery insecure |1.9.1| | 19 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 18 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 18 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 18 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 17 |
| Brakes imbalanced across an axle | 17 |
| 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| | 16 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 15 |
| Parking brake lever has no reserve travel |3.1.6b| | 15 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 14 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 14 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 14 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 13 |
| 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| | 13 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 13 |
| Offside Rear fog lamp not working |1.3.2b| | 12 |
| Offside Rear Stop lamp not working |1.2.1b| | 11 |
| Offside 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 Headlamp aim beam image obviously incorrect |1.8.A.1b| | 11 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 11 |
| Nearside Rear Stop lamp not working |1.2.1b| | 10 |
| Rear fog lamp tell tale not working |1.3.1b| | 10 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 10 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 9 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 9 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 8 |
| Nearside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 7 |
| 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| | 7 |
| Brake pipe excessively corroded | 7 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 7 |
| Offside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 7 |
| Emissions not tested |7.0| | 6 |
| Windscreen wiper blade insecure | 6 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 6 |
| Rear fog lamp not working |1.3.2b| | 6 |
| Front brake application uneven | 6 |
| 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| | 6 |
| Offside Headlamp not working on main beam |1.7.5a| | 5 |
| 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| | 5 |
| Anti-lock braking system warning lamp indicates an ABS fault | 5 |
| 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| | 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 Inner Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 5 |
| Rear parking brake recording little or no effort | 5 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 5 |
| 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| | 5 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 5 |
| Nearside Inner Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 4 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 4 |
| Nearside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 4 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 4 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 4 |
| Offside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 4 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 4 |
| Parking brake: efficiency below requirements |3.7.B.7| | 4 |
| Rear fog lamp switch faulty |1.3.1a| | 4 |
| Nearside Front 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 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 4 |
| Windscreen has damage | 4 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 4 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 3 |
| Offside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 3 |
| Rear Exhaust system not adequately supported |7.1.1| | 3 |
| Nearside 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 Front Outer 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 Stop lamp(s) not working (4.3.1 (a) (ii)) | 3 |
| Nearside Front Inner Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 3 |
| Exhaust emissions test not completed because smoke levels are significantly in excess of the specified limit values (8.2.2.2 (f)) | 3 |
| Horn not working |1.6.2a| | 3 |
| Offside Rear Exhaust has a major leak of exhaust gases |7.1.2| | 3 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 2 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 2 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 2 |
| Offside Rear Rear position lamp|s| not working |1.1.A.3b| | 2 |
| Nearside Headlamp aim not tested |1.8.A.1c| | 2 |
| Nearside Front Side repeater not working |1.4.A.2c| | 2 |
| Nearside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 2 |
| Nearside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 2 |
| Nearside Headlamp not working on main beam |1.7.5a| | 2 |
| Registration plate issues | 2 |
| Engine MIL inoperative or indicates a malfunction |8.2.2.2 |g|| | 2 |
| Nearside Rear Road wheel bead rim badly distorted |4.2.A.1a| | 2 |
| Nearside front brake binding |3.7.B.1| | 2 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 2 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 2 |
| Brake fluid contaminated (1.8 (a)) | 2 |
| Nearside Outer Front Track rod end ball joint has excessive play |2.2.B.1f| | 2 |
| Offside Front Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 2 |
| Offside Position lamp not working |4.2.1 |a|| | 2 |
| Battery insecure and likely to fall from carrier (4.13 (a) (ii)) | 2 |
| Emissions not tested |7.4.B.1| | 2 |
| Centre Stop lamp not working |1.2.1b| | 2 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 2 |
| Exhaust emissions likely to be affected by an exhaust leak (8.2.2.1 (b)) | 2 |
| Rear Exhaust has a major leak of exhaust gases silencer |7.1.2| | 2 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 2 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 2 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 2 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 2 |
| Offside Steering rack gaiter insecure |2.2.D.2d| | 2 |
| Offside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength (5.3.6 (a) (i)) | 2 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 2 |
| Nearside Front Drive shaft which forms part of the suspension coupling gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.4.G.4e| | 2 |
| Nearside Front position lamp|s| not working sidelight |1.1.A.3b| | 2 |
| Offside Front position lamp|s| not working sidelight |1.1.A.3b| | 2 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 2 |
| Nearside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 2 |
| Hazard warning switch faulty |1.4.B.1d| | 2 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 2 |
| Fuel system component leaking excessively or a risk of fire |6.1.3 |b| |ii|| | 2 |
| Offside front brake binding |3.7.B.1| | 2 |
| Windscreen washer not working | 2 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 2 |
| Rear Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 2 |