| Most common failures | No# failures |
|---|
| Parking brake: efficiency below requirements |3.7.B.7| | 140 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 104 |
| Headlamp aim out of alignment | 77 |
| Brake pipe excessively corroded | 73 |
| Windscreen wiper does not clear the windscreen effectively | 66 |
| Rear parking brake recording little or no effort | 64 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 60 |
| Registration plate lamp issues | 59 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 54 |
| Brakes imbalanced across an axle | 38 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 32 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 31 |
| Registration plate issues | 30 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 29 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 27 |
| Service brake: efficiency below requirements |3.7.B.7| | 23 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 23 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 23 |
| Parking brake lever has no reserve travel |3.1.6b| | 22 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 21 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 20 |
| Rear brake binding | 20 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 17 |
| Offside front brake binding |3.7.B.1| | 16 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 16 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 15 |
| Rear brake disc in such a condition that it is seriously weakened | 15 |
| Nearside front brake binding |3.7.B.1| | 15 |
| Nearside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 14 |
| Emissions not tested |7.0| | 14 |
| Offside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 13 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 13 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 13 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 11 |
| Anti-lock braking system warning lamp indicates an ABS fault | 11 |
| Offside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 11 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 10 |
| Nearside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 10 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 10 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 10 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 10 |
| Offside Front front brake binding |3.7.B.1| | 9 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 9 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 8 |
| Nearside Stop lamp not working |1.2.1b| | 8 |
| Rear brake application uneven | 8 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 7 |
| Nearside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 7 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 6 |
| Nearside Headlamp not working on main beam |1.7.5a| | 6 |
| Windscreen has damage | 6 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 6 |
| Offside Rear Wheel nut|s| missing |4.2.A.1e| | 6 |
| Offside Headlamp not working on main beam |1.7.5a| | 6 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 6 |
| Offside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 6 |
| Brake hose excessively deteriorated | 6 |
| Nearside Front front brake binding |3.7.B.1| | 6 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 6 |
| Nearside Rear Stop lamp not working |1.2.1b| | 5 |
| Offside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 5 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 5 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 5 |
| Offside Stop lamp not working |1.2.1b| | 5 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 5 |
| Rear brake disc excessively pitted |3.5.1h| | 5 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 5 |
| Centre Exhaust system not adequately supported |7.1.1| | 5 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 5 |
| Front brake disc in such a condition that it is seriously weakened | 4 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 4 |
| Offside Rear Exhaust has a major leak of exhaust gases |7.1.2| | 4 |
| Offside Rear brake caliper leaking |3.6.A.1| | 4 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 4 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 4 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 4 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 4 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 4 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 4 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 4 |
| Nearside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 4 |
| Fuel tank leaking |7.2.3| | 4 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 4 |
| Offside Rear Anti-roll bar linkage insecure |2.4.G.1| | 4 |
| Nearside Front Wheel nut|s| missing |4.2.A.1e| | 4 |
| Rear Exhaust system not adequately supported |7.1.1| | 4 |
| Front brake application uneven | 4 |
| Exhaust tailpipe not capable of allowing the emission probe to be inserted |7.3.D.1| | 4 |
| Mechanical brake component has restricted free movement | 4 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 4 |
| Offside Rear Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 4 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 3 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 3 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 3 |
| Offside Outer Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 3 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 3 |
| Nearside Rear Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 3 |
| 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| | 3 |
| Offside Rear fog lamp emits a light other than red |1.3.2e| | 3 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Front constant velocity joint gaiter split |2.5.C.1a| | 3 |
| Nearside Rear brake caliper leaking |3.6.A.1| | 3 |
| Exhaust system not adequately supported |7.1.1| | 3 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 3 |
| Windscreen wiper blade insecure | 3 |
| Offside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 3 |
| Nearside Headlamp not working on main beam (4.1.1 (a) (ii)) | 3 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 3 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 3 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 3 |
| Nearside front brake juddering severely |3.7.A.2b| | 3 |
| rear brake recording little or no effort |3.7.B.5a| | 3 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 3 |
| Brake hose has insufficient room to move | 3 |
| Nearside Rear Anti-roll bar linkage insecure |2.4.G.1| | 3 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 3 |
| Offside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Nearside Front Ball joint has excessive play |2.2.B.1f| | 3 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 3 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 3 |
| Nearside Front An item not tested |Manual| | 3 |
| Nearside Rear Wheel nut|s| missing |4.2.A.1e| | 3 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 3 |
| Offside Rear Braking system leaking |3.6.A.1| | 3 |
| Nearside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 3 |
| Nearside Rear Trailing arm severely distorted |2.4.G.1| | 2 |
| Rear fog lamp tell tale not working |1.3.1b| | 2 |
| Nearside Rear Brake lever has restricted free movement |3.5.1k| | 2 |
| Offside Rear fog lamp not working |1.3.2b| | 2 |
| Nearside Rear Lower Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 2 |
| Horn not working |1.6.2a| | 2 |
| Offside Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 2 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 2 |
| Front Headlamp not working on main beam |1.7.5a| | 2 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 2 |
| Nearside Rear Anti-roll bar linkage fractured |2.4.G.1| | 2 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 2 |
| Brake hydraulic reservoir fluid level below minimum level |3.6.G.1b| | 2 |
| Offside Front Front constant velocity joint is insecure |2.5.C.1b| | 2 |
| Brake performance not tested |3.7.A.1| | 2 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 2 |
| Nearside Front Wheel bolt|s| missing |4.2.A.1e| | 2 |
| Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Offside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 2 |
| Offside front brake juddering severely |3.7.A.2b| | 2 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 2 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 2 |
| Nearside Front Headlamp aim not tested |1.8.A.1c| | 2 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 2 |
| Nearside front parking brake recording little or no effort |3.7.B.6a| | 2 |
| Offside front parking brake recording little or no effort |3.7.B.6a| | 2 |
| Nearside Rear brake disc excessively scored |3.5.1h| | 2 |
| Nearside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 2 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 2 |
| Battery insecure and likely to fall from carrier (4.13 (a) (ii)) | 2 |
| Offside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 2 |
| Offside Inner Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 2 |
| Front brake disc excessively pitted |3.5.1h| | 2 |
| Nearside Front Front constant velocity joint is insecure |2.5.C.1b| | 2 |
| Offside Outer Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Offside Front Ball joint has excessive play |2.2.B.1f| | 2 |
| Offside Rear Subframe mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Nearside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 2 |
| Offside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 2 |
| Nearside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Offside Front Mechanical brake component securing device missing |3.5.1i| | 2 |
| Offside Rear brake caliper has restricted free movement |3.5.1k| | 2 |
| Nearside Rear Parking brake is not capable of being maintained in operation by direct mechanical action only |3.1.2| | 2 |
| Offside Rear Parking brake is not capable of being maintained in operation by direct mechanical action only |3.1.2| | 2 |
| Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 2 |
| Offside Rear Exhaust system not adequately supported |7.1.1| | 2 |
| Nearside Rear Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 2 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 2 |
| Rear Rear fog lamp not working |1.3.2b| | 2 |
| 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| | 2 |
| Nearside Front All position lamps not working |1.1.A.3b| | 2 |
| Offside Front brake disc excessively pitted |3.5.1h| | 2 |
| Nearside Front coil spring incomplete |2.4.C.1a| | 2 |
| Offside Front coil spring incomplete |2.4.C.1a| | 2 |
| Offside Rear coil spring incomplete |2.4.C.1a| | 2 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 2 |
| Centre Exhaust has part of the system excessively deteriorated |7.1.1a| | 2 |
| Offside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 2 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 2 |
| Power steering pipe|s| or hose|s| leaking |2.3.3b| | 2 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 2 |