| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 2131 |
| Windscreen wiper does not clear the windscreen effectively | 1829 |
| Headlamp aim out of alignment | 1338 |
| Registration plate lamp issues | 1117 |
| Registration plate issues | 755 |
| Brakes imbalanced across an axle | 589 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 480 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 467 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 273 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 261 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 243 |
| Offside front brake binding |3.7.B.1| | 236 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 233 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 231 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 207 |
| Nearside front brake binding |3.7.B.1| | 204 |
| Brake hose excessively deteriorated | 202 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 202 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 186 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 175 |
| Front brake disc in such a condition that it is seriously weakened | 167 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 165 |
| Front brake application uneven | 159 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 143 |
| 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 |
| Offside Front front brake binding |3.7.B.1| | 134 |
| Rear Exhaust system not adequately supported |7.1.1| | 134 |
| Offside Front brake disc excessively pitted |3.5.1h| | 126 |
| Mechanical brake component has restricted free movement | 126 |
| Parking brake: efficiency below requirements |3.7.B.7| | 121 |
| Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 121 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 115 |
| Nearside Front front brake binding |3.7.B.1| | 114 |
| Emissions not tested |7.0| | 113 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 109 |
| Parking brake lever has no reserve travel |3.1.6b| | 107 |
| Rear parking brake recording little or no effort | 104 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 104 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 103 |
| 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| | 100 |
| Nearside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 100 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 97 |
| Nearside Stop lamp not working |1.2.1b| | 95 |
| Nearside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 93 |
| Service brake: efficiency below requirements |3.7.B.7| | 90 |
| 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| | 87 |
| Rear Exhaust has a part missing |7.1.1a| | 84 |
| Windscreen has damage | 82 |
| Battery insecure |1.9.1| | 82 |
| 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| | 80 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 78 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 78 |
| 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| | 77 |
| 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| | 77 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 76 |
| Horn not working |1.6.2a| | 76 |
| Offside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 73 |
| Nearside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 70 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 70 |
| Offside Stop lamp not working |1.2.1b| | 69 |
| Offside Rear fog lamp not working |1.3.2b| | 68 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 68 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 67 |
| Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 67 |
| Centre Stop lamp not working |1.2.1b| | 65 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 64 |
| Rear brake application uneven | 60 |
| Exhaust system not adequately supported |7.1.1| | 59 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 58 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 57 |
| Nearside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 57 |
| Nearside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 57 |
| Offside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 57 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 56 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 56 |
| Nearside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 53 |
| 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| | 52 |
| 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| | 52 |
| Offside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 51 |
| Fuel system component leaking |7.2.3| | 50 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 50 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 50 |
| Offside Outer Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 50 |
| Offside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 49 |
| Windscreen wiper blade insecure | 47 |
| Offside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 46 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 46 |
| Nearside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 43 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 42 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 42 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 41 |
| Front brake excessively fluctuating | 41 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 40 |
| Offside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 40 |
| Offside Front Seat belt damaged sufficient to obstruct correct operation of the belt |5.2.2a| | 40 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 40 |
| Nearside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 39 |
| 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| | 39 |
| Nearside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 39 |
| Offside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 39 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 38 |
| Nearside Outer Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 38 |
| 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| | 36 |
| Rear fog lamp not working |1.3.2b| | 36 |
| Nearside Rear Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 36 |
| 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| | 35 |
| Exhaust tailpipe not capable of allowing the emission probe to be inserted |7.3.D.1| | 35 |
| Nearside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 35 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 35 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 34 |
| Front Exhaust has part of the system excessively deteriorated |7.1.1a| | 34 |
| Nearside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 33 |
| Nearside Rear Stop lamp not working |1.2.1b| | 33 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 33 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 33 |
| Offside Front Anti-roll bar linkage insecure |2.4.G.1| | 33 |
| Offside front brake juddering severely |3.7.A.2b| | 33 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 33 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 33 |
| Offside Inner Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 33 |
| Nearside Inner Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 33 |
| Front brake disc excessively pitted |3.5.1h| | 32 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 32 |
| Anti-lock braking system warning lamp indicates an ABS fault | 32 |
| Offside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 31 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 31 |
| Offside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 31 |
| Offside Front coil spring fractured |2.4.C.1a| | 31 |
| Offside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 31 |