| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 1303 |
| Windscreen wiper does not clear the windscreen effectively | 1041 |
| Brake pipe excessively corroded | 1040 |
| Headlamp aim out of alignment | 810 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 433 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 363 |
| Brakes imbalanced across an axle | 257 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 251 |
| Registration plate issues | 213 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 209 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 206 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 172 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 165 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 156 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 152 |
| Offside Front Anti-roll bar linkage fractured |2.4.G.1| | 131 |
| Offside Stop lamp not working |1.2.1b| | 130 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 123 |
| Parking brake lever has no reserve travel |3.1.6b| | 121 |
| Nearside Stop lamp not working |1.2.1b| | 112 |
| Parking brake: efficiency below requirements |3.7.B.7| | 111 |
| Offside Rear fog lamp not working |1.3.2b| | 105 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 100 |
| Service brake: efficiency below requirements |3.7.B.7| | 86 |
| Nearside Front Anti-roll bar linkage fractured |2.4.G.1| | 84 |
| Emissions not tested |7.0| | 83 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 81 |
| Offside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 78 |
| Nearside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 75 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 73 |
| Brake hose excessively deteriorated | 72 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 71 |
| Rear fog lamp not working |1.3.2b| | 65 |
| Rear parking brake recording little or no effort | 62 |
| Offside Front Anti-roll bar linkage insecure |2.4.G.1| | 62 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 58 |
| Offside Front coil spring fractured |2.4.C.1a| | 58 |
| Rear fog lamp switch faulty |1.3.1a| | 56 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 54 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 51 |
| Rear brake application uneven | 48 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 47 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 47 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 47 |
| Battery insecure |1.9.1| | 46 |
| Exhaust system not adequately supported |7.1.1| | 46 |
| Nearside Rear Stop lamp not working |1.2.1b| | 46 |
| Front brake application uneven | 46 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 45 |
| Offside Rear Stop lamp not working |1.2.1b| | 40 |
| Front Exhaust system not adequately supported |7.1.1| | 40 |
| Nearside Front Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 39 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 39 |
| Windscreen has damage | 39 |
| Nearside Front Anti-roll bar linkage insecure |2.4.G.1| | 38 |
| Offside Front Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 37 |
| Front brake disc in such a condition that it is seriously weakened | 37 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 36 |
| Nearside Front coil spring fractured |2.4.C.1a| | 35 |
| Nearside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 34 |
| Rear brake binding | 32 |
| Centre Exhaust system not adequately supported |7.1.1| | 32 |
| Windscreen wiper blade insecure | 29 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 29 |
| Nearside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 28 |
| Offside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 28 |
| Nearside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 28 |
| Offside Front coil spring incomplete |2.4.C.1a| | 28 |
| Anti-lock braking system warning lamp indicates an ABS fault | 28 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 27 |
| Offside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 27 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 27 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 26 |
| Offside Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 26 |
| Nearside Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 25 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 25 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 25 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 25 |
| Offside Outer Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 25 |
| Rear Exhaust system not adequately supported |7.1.1| | 24 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 24 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 24 |
| Offside Outer Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 24 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 24 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 24 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 24 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 23 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 23 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 22 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 21 |
| Nearside Front Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 21 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 21 |
| Nearside Front Anti-roll bar linkage rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 21 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 20 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 20 |
| Nearside Headlamp not working on main beam |1.7.5a| | 20 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 20 |
| Offside Front Anti-roll bar linkage rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 19 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 19 |
| Nearside Steering arm has relative movement at its fixings |2.2.B.1h| | 18 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 18 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 18 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 17 |
| Offside Headlamp not working on main beam |1.7.5a| | 17 |
| Nearside Outer Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 17 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 17 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 17 |
| Horn not working |1.6.2a| | 17 |