| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 5398 |
| Headlamp aim out of alignment | 3568 |
| Registration plate lamp issues | 3100 |
| Windscreen wiper does not clear the windscreen effectively | 2844 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 2707 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 1532 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 1496 |
| Brakes imbalanced across an axle | 1255 |
| Nearside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1023 |
| Offside Stop lamp not working |1.2.1b| | 993 |
| Parking brake: efficiency below requirements |3.7.B.7| | 970 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 955 |
| Nearside Stop lamp not working |1.2.1b| | 936 |
| Offside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 922 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 834 |
| Service brake: efficiency below requirements |3.7.B.7| | 831 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 801 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 752 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 717 |
| Registration plate issues | 709 |
| Rear brake binding | 698 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 690 |
| Emissions not tested |7.0| | 645 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 639 |
| Rear parking brake recording little or no effort | 555 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 544 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 474 |
| Rear brake application uneven | 446 |
| Nearside Rear Stop lamp not working |1.2.1b| | 439 |
| Offside Rear Stop lamp not working |1.2.1b| | 428 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 421 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 406 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 390 |
| Nearside Rear Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 385 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 380 |
| Offside Rear fog lamp not working |1.3.2b| | 374 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 358 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 350 |
| Offside Rear Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 350 |
| Parking brake lever has no reserve travel |3.1.6b| | 349 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 342 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 331 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 330 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 314 |
| Nearside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 310 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 310 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 305 |
| Windscreen has damage | 273 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 259 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 256 |
| Front brake application uneven | 249 |
| Power steering pipe|s| or hose|s| leaking from a joint |2.3.3b| | 229 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 220 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 208 |
| Power steering pipe|s| or hose|s| leaking |2.3.3b| | 206 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 191 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 186 |
| Nearside Rear Radius arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 182 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 178 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 178 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 176 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 171 |
| Offside Rear Radius arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 170 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 168 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 166 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 166 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 166 |
| Nearside Front Steering rack gaiter split |2.2.D.2d| | 153 |
| Front brake disc in such a condition that it is seriously weakened | 153 |
| Nearside Rear Trailing arm has excessive play in a pin/bush |2.4.G.2| | 147 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 145 |
| Windscreen wiper blade insecure | 142 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 142 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 137 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 136 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 135 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 130 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 129 |
| Power steering component|s| leaking |2.3.3b| | 129 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 127 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 126 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 126 |
| Offside front brake binding |3.7.B.1| | 125 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 120 |
| Power steering pump leaking from a failed component |2.3.3b| | 119 |
| Offside Rear Trailing arm has excessive play in a pin/bush |2.4.G.2| | 118 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 117 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 115 |
| Front Exhaust has part of the system excessively deteriorated |7.1.1a| | 113 |
| Nearside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 112 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 112 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 110 |
| Horn not working |1.6.2a| | 106 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 103 |
| Nearside Rear Trailing arm rubber bush bonding deteriorated resulting in excessive movement |2.4.G.2| | 103 |
| Rear Mechanical brake component has restricted free movement | 103 |
| Headlamp not in good working order adversely affecting beam image |1.2.4a| | 100 |
| Offside Rear Trailing arm rubber bush bonding deteriorated resulting in excessive movement |2.4.G.2| | 100 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 98 |
| Offside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 98 |
| Offside Front Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 98 |
| Offside Steering rack gaiter split |2.2.D.2d| | 92 |
| Nearside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 89 |
| Nearside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 88 |
| Nearside Rear Bonded suspension unit bonding failed and part of unit is likely to become displaced |2.4.F.2| | 88 |
| Centre Exhaust has part of the system excessively deteriorated |7.1.1a| | 86 |
| Nearside Headlamp not working on main beam |1.7.5a| | 85 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 78 |
| Offside Front front brake binding |3.7.B.1| | 76 |
| Offside Rear Body has a sharp edge caused by corrosion |6.1.C.1| | 75 |
| Offside Front Direction indicators incorrect colour |1.4.A.2f| | 75 |
| Nearside Front Direction indicators incorrect colour |1.4.A.2f| | 73 |
| Offside Rear Bonded suspension unit bonding failed and part of unit is likely to become displaced |2.4.F.2| | 70 |
| Offside Headlamp not working on main beam |1.7.5a| | 70 |
| Exhaust tailpipe not capable of allowing the emission probe to be inserted |7.3.D.1| | 69 |
| Nearside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 69 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 66 |
| Nearside Rear Suspension arm has excessive play in a pin/bush |2.4.G.2| | 65 |