| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 933 |
| Windscreen wiper does not clear the windscreen effectively | 714 |
| Registration plate lamp issues | 460 |
| Brakes imbalanced across an axle | 279 |
| Brake pipe excessively corroded | 279 |
| Offside Stop lamp not working |1.2.1b| | 268 |
| Nearside Stop lamp not working |1.2.1b| | 255 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 207 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 190 |
| Parking brake: efficiency below requirements |3.7.B.7| | 188 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 174 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 153 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 151 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 141 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 123 |
| Nearside Rear Stop lamp not working |1.2.1b| | 112 |
| Battery insecure |1.9.1| | 111 |
| Offside Rear Stop lamp not working |1.2.1b| | 109 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 107 |
| 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| | 104 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 102 |
| Offside Rear fog lamp not working |1.3.2b| | 89 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 89 |
| Registration plate issues | 85 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 84 |
| Rear parking brake recording little or no effort | 82 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 82 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 80 |
| Front brake application uneven | 80 |
| Rear brake binding | 80 |
| Nearside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 80 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 79 |
| 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| | 76 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 61 |
| 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| | 60 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 59 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 58 |
| Offside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 57 |
| Parking brake lever has no reserve travel |3.1.6b| | 56 |
| Offside front brake binding |3.7.B.1| | 56 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 51 |
| 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| | 50 |
| 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| | 49 |
| Nearside front brake binding |3.7.B.1| | 48 |
| Anti-lock braking system warning lamp indicates an ABS fault | 48 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 46 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 46 |
| Front brake disc in such a condition that it is seriously weakened | 44 |
| Rear fog lamp not working |1.3.2b| | 43 |
| Horn not working |1.6.2a| | 42 |
| 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| | 39 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 39 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 39 |
| Nearside Rear passenger door cannot be opened from outside the vehicle |6.2.B.1c| | 38 |
| Windscreen has damage | 38 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 38 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 38 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 35 |
| Nearside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 35 |
| Offside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 35 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 34 |
| 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| | 32 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 32 |
| Nearside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 32 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 31 |
| Emissions not tested |7.0| | 31 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 30 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 30 |
| Nearside Rear Rear position lamp|s| not working |1.1.A.3b| | 30 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 29 |
| Offside Rear Rear position lamp|s| not working |1.1.A.3b| | 28 |
| 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| | 28 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 28 |
| Rear brake disc in such a condition that it is seriously weakened | 28 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 27 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 27 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 26 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 26 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 26 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 24 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 24 |
| Engine MIL inoperative or indicates a malfunction |8.2.2.2 |g|| | 24 |
| Offside Front front brake binding |3.7.B.1| | 24 |
| Mechanical brake component has restricted free movement | 24 |
| Service brake: efficiency below requirements |3.7.B.7| | 23 |
| Front brake excessively fluctuating | 23 |
| Offside Rear passenger door cannot be opened from outside the vehicle |6.2.B.1c| | 23 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 23 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 22 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 22 |
| Rear fog lamp tell tale not working |1.3.1b| | 22 |
| Offside Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 22 |
| Windscreen wiper blade insecure | 21 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 20 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 19 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 19 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 19 |
| Offside Front Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 19 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 19 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 19 |
| Rear brake application uneven | 17 |