| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 62 |
| Windscreen wiper does not clear the windscreen effectively | 43 |
| Headlamp aim out of alignment | 41 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 40 |
| Parking brake: efficiency below requirements |3.7.B.7| | 35 |
| Brake pipe excessively corroded | 29 |
| Rear parking brake recording little or no effort | 23 |
| Offside Rear fog lamp not working |1.3.2b| | 20 |
| Brake hose excessively deteriorated | 16 |
| Parking brake lever has no reserve travel |3.1.6b| | 16 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 16 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 16 |
| Anti-lock braking system warning lamp indicates an ABS fault | 14 |
| Registration plate issues | 14 |
| Offside Stop lamp not working |1.2.1b| | 13 |
| Battery insecure |1.9.1| | 12 |
| Centre Exhaust system not adequately supported |7.1.1| | 12 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 11 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 11 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 10 |
| Rear fog lamp not working |1.3.2b| | 9 |
| Nearside Stop lamp not working |1.2.1b| | 9 |
| Service brake: efficiency below requirements |3.7.C.1a| | 8 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 8 |
| Rear fog lamp tell tale not working |1.3.1b| | 7 |
| Rear Exhaust system not adequately supported |7.1.1| | 7 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 7 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 7 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 6 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 6 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 6 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 6 |
| Exhaust system not adequately supported |7.1.1| | 6 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 6 |
| Offside Rear fog lamp missing |1.3.2a| | 5 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 5 |
| Horn not working |1.6.2a| | 5 |
| Rear brake disc in such a condition that it is seriously weakened | 5 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 5 |
| Windscreen has damage | 5 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 5 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 5 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 5 |
| Rear Rear fog lamp not working |1.3.2b| | 5 |
| Offside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 5 |
| Nearside Front Anti-roll bar linkage insecure |2.4.G.1| | 4 |
| Offside Front Anti-roll bar linkage fractured |2.4.G.1| | 4 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 4 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 4 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 4 |
| Rear brake binding | 4 |
| Offside Rear Stop lamp not working |1.2.1b| | 4 |
| Nearside Front Anti-roll bar linkage fractured |2.4.G.1| | 4 |
| Offside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 4 |
| Nearside Rear Stop lamp not working |1.2.1b| | 4 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 3 |
| Offside Front Anti-roll bar linkage insecure |2.4.G.1| | 3 |
| Brake performance not tested |3.7.A.1| | 3 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 3 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 3 |
| Brakes imbalanced across an axle | 3 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 3 |
| Nearside Front Anti-roll bar linkage rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Parking brake lever has excessive movement indicating incorrect adjustment |1.1.6 |c|| | 3 |
| Nearside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 3 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 3 |
| Offside Rear Leaf spring shackle bracket corroded and seriously weakened |2.4.B.6d| | 3 |
| Nearside Front Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Nearside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 3 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 3 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 2 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 2 |
| Nearside Front position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 2 |
| Offside Front position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 2 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 2 |
| Offside Front Headlamp aim beam image kick up to the offside |1.8| | 2 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 2 |
| Offside Rear Lower Suspension arm has excessive play in a pin/bush |2.4.G.2| | 2 |
| 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| | 2 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 2 |
| Nearside Front Steering rack gaiter split |2.2.D.2d| | 2 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 2 |
| Offside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 2 |
| Nearside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 2 |
| Front brake disc in such a condition that it is seriously weakened | 2 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 2 |
| Offside Rear Shock absorbers has a serious fluid leak | 2 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 2 |
| Anti-lock braking system warning lamp does not illuminate |3.4.1b| | 2 |
| Nearside Front suspension ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 2 |
| Offside Front Lower Ball joint has excessive play |2.2.B.1f| | 2 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 2 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 2 |
| Offside Rear fog lamp not working |4.5.1 |a| |ii|| | 2 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 2 |
| Nearside Front position lamp|s| incorrect colour |1.1.A.3e| | 2 |
| Offside Front Lower Front suspension ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 2 |
| Fuel cap/sealing device does not fasten securely by positive means |7.2.4b| | 2 |
| Offside Front Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 2 |
| Nearside Front Integral body structure or chassis has excessive corrosion, seriously affecting its strength within 30cm of a body mounting (6.2.2 (d) (i)) | 2 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 2 |
| Nearside Front Upper Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 2 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 2 |
| Rear Braking system leaking |3.6.A.1| | 2 |
| Mechanical brake component has restricted free movement | 2 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 2 |
| Offside Front Upper Suspension arm ball joint dust cover no longer prevents the ingress of dirt |5.3.4 |b| |ii|| | 2 |
| Nearside Front Upper Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 2 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 2 |
| Offside Front Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 2 |
| Windscreen has a sticker or other obstruction encroaching by more than 10mm within zone `A` |8.3.1b| | 2 |
| Nearside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 2 |
| Offside Front Ball joint has excessive play |2.2.B.1f| | 2 |
| Offside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 2 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 2 |
| Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 2 |
| Nearside Rear brake disc contaminated by oil |3.5.1h| | 2 |
| Offside Front Anti-roll bar linkage rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 2 |
| Offside Rear brake disc contaminated by oil |3.5.1h| | 2 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 2 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 2 |
| Offside Rear Seat belt anchorage prescribed area strength or continuity significantly reduced (7.1.1 (a) (i)) | 2 |
| Nearside Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 2 |
| Nearside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 2 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 2 |
| Offside rear brake grabbing severely |3.7.A.5b| | 2 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 2 |