| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 2709 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 2565 |
| Headlamp aim out of alignment | 1979 |
| Registration plate lamp issues | 1637 |
| Windscreen wiper does not clear the windscreen effectively | 1542 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 1221 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 1083 |
| Brakes imbalanced across an axle | 1000 |
| Nearside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 685 |
| Offside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 622 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 579 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 544 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 523 |
| Offside Stop lamp not working |1.2.1b| | 480 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 477 |
| Nearside Stop lamp not working |1.2.1b| | 467 |
| Emissions not tested |7.0| | 428 |
| Parking brake: efficiency below requirements |3.7.B.7| | 419 |
| Registration plate issues | 410 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 408 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 356 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 334 |
| Service brake: efficiency below requirements |3.7.B.7| | 317 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 313 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 295 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 295 |
| Nearside Rear Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 288 |
| Offside Rear Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 266 |
| Front brake application uneven | 242 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 239 |
| Fuel tank leaking |7.2.3| | 230 |
| Nearside Rear Stop lamp not working |1.2.1b| | 229 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 215 |
| Offside Rear Stop lamp not working |1.2.1b| | 214 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 208 |
| Parking brake lever has no reserve travel |3.1.6b| | 203 |
| Rear parking brake recording little or no effort | 197 |
| Nearside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 192 |
| Offside Rear fog lamp not working |1.3.2b| | 189 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 178 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 174 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 171 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 171 |
| Windscreen has damage | 168 |
| Offside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 158 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 157 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 154 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 148 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 140 |
| Offside Front Front constant velocity joint gaiter split |2.5.C.1a| | 138 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 136 |
| Nearside Rear Radius arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 128 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 127 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 125 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 125 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 123 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 119 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 115 |
| Offside Rear Radius arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 110 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 106 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 97 |
| Nearside Rear Trailing arm has excessive play in a pin/bush |2.4.G.2| | 96 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 93 |
| Front brake disc in such a condition that it is seriously weakened | 88 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 88 |
| Horn not working |1.6.2a| | 85 |
| Offside front brake binding |3.7.B.1| | 82 |
| Offside Rear Trailing arm has excessive play in a pin/bush |2.4.G.2| | 81 |
| Windscreen wiper blade insecure | 80 |
| Nearside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 79 |
| Power steering pipe|s| or hose|s| leaking from a joint |2.3.3b| | 77 |
| Power steering pipe|s| or hose|s| leaking |2.3.3b| | 77 |
| Nearside Front Body has a sharp edge caused by corrosion |6.1.C.1| | 75 |
| Nearside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 72 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 72 |
| Offside Front Body has a sharp edge caused by corrosion |6.1.C.1| | 71 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 71 |
| Rear brake binding | 69 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 68 |
| Front Exhaust has part of the system excessively deteriorated |7.1.1a| | 66 |
| Nearside Rear Trailing arm rubber bush bonding deteriorated resulting in excessive movement |2.4.G.2| | 65 |
| Offside Front front brake binding |3.7.B.1| | 64 |
| Offside Rear Trailing arm rubber bush bonding deteriorated resulting in excessive movement |2.4.G.2| | 64 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 63 |
| Nearside Rear Body has a sharp edge caused by corrosion |6.1.C.1| | 61 |
| Offside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 60 |
| Brake pedal spongy |3.3.B.1b| | 59 |
| Nearside Rear Bonded suspension unit bonding failed and part of unit is likely to become displaced |2.4.F.2| | 59 |
| Power steering component|s| leaking |2.3.3b| | 56 |
| Offside Rear Bonded suspension unit bonding failed and part of unit is likely to become displaced |2.4.F.2| | 55 |
| Centre Exhaust has part of the system excessively deteriorated |7.1.1a| | 54 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 53 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 52 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 52 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 52 |
| Mechanical brake component has restricted free movement | 52 |
| Offside Rear Body has a sharp edge caused by corrosion |6.1.C.1| | 48 |
| Nearside Rear Bonded suspension unit deteriorated and cannot function as intended |2.4.F.3| | 48 |
| Offside Rear Bonded suspension unit deteriorated and cannot function as intended |2.4.F.3| | 48 |
| Nearside Rear Suspension arm has excessive play in a pin/bush |2.4.G.2| | 47 |
| Offside Outer Front constant velocity joint gaiter split |2.5.C.1a| | 47 |
| Offside Rear Suspension arm has excessive play in a pin/bush |2.4.G.2| | 46 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 44 |
| Exhaust tailpipe not capable of allowing the emission probe to be inserted |7.3.D.1| | 42 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 39 |
| Nearside Front Anti-roll bar linkage rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 39 |
| Nearside front brake binding |3.7.B.1| | 39 |