| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 12363 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 9661 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 6089 |
| Windscreen wiper does not clear the windscreen effectively | 5692 |
| Registration plate lamp issues | 5639 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 4627 |
| Headlamp aim out of alignment | 4063 |
| Anti-lock braking system warning lamp indicates an ABS fault | 2171 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 2116 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 2114 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 1647 |
| Offside Stop lamp not working |1.2.1b| | 1640 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 1622 |
| Nearside Stop lamp not working |1.2.1b| | 1576 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 1556 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 1534 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 1508 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 1457 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 1403 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 1396 |
| Parking brake: efficiency below requirements |3.7.B.7| | 1242 |
| Emissions not tested |7.0| | 1061 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 1029 |
| Rear parking brake recording little or no effort | 957 |
| Registration plate issues | 909 |
| Service brake: efficiency below requirements |3.7.B.7| | 759 |
| Parking brake lever has no reserve travel |3.1.6b| | 708 |
| Brakes imbalanced across an axle | 648 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 647 |
| Battery insecure |1.9.1| | 646 |
| Offside Rear Stop lamp not working |1.2.1b| | 642 |
| Nearside Rear Stop lamp not working |1.2.1b| | 617 |
| Rear brake binding | 596 |
| Front Exhaust system not adequately supported |7.1.1| | 573 |
| Centre Stop lamp not working |1.2.1b| | 518 |
| Service brake: efficiency below requirements |3.7.C.1a| | 516 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 515 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 501 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 476 |
| Power steering pipe|s| or hose|s| leaking |2.3.3b| | 460 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 420 |
| Horn not working |1.6.2a| | 403 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 381 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 370 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 365 |
| Front brake disc in such a condition that it is seriously weakened | 342 |
| Nearside Steering rack gaiter insecure |2.2.D.2d| | 329 |
| Power steering pipe|s| or hose|s| leaking from a joint |2.3.3b| | 319 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 299 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 293 |
| Windscreen has damage | 293 |
| Nearside Rear Braking system leaking |3.6.A.1| | 262 |
| Exhaust system not adequately supported |7.1.1| | 258 |
| Offside Rear Braking system leaking |3.6.A.1| | 244 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 241 |
| Offside Rear fog lamp not working |1.3.2b| | 238 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 225 |
| Windscreen wiper blade insecure | 225 |
| Power steering component|s| leaking |2.3.3b| | 225 |
| Brake performance not tested |3.7.A.1| | 223 |
| Stop lamp not working |1.2.1b| | 223 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 206 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 200 |
| Nearside Rear Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 199 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 198 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 198 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 190 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 189 |
| Offside Rear Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 186 |
| Nearside Front Wheel nut|s| missing |4.2.A.1e| | 179 |
| Power steering pump leaking from a failed component |2.3.3b| | 178 |
| Offside Rear Wheel nut|s| missing |4.2.A.1e| | 178 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 177 |
| Offside front brake binding |3.7.B.1| | 176 |
| Offside Rear Tie bar/rod rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 174 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 172 |
| Nearside Rear Tie bar/rod rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 171 |
| Rear Exhaust system not adequately supported |7.1.1| | 170 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 164 |
| Offside Front Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 163 |
| Nearside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 159 |
| Offside Front Direction indicator not working |1.4.A.2c| | 150 |
| Centre Exhaust has part of the system excessively deteriorated |7.1.1a| | 147 |
| Rear Mechanical brake component has restricted free movement | 147 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 146 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 145 |
| Steering wheel retaining device insecure |2.1.6| | 145 |
| Nearside Rear Wheel nut|s| missing |4.2.A.1e| | 143 |
| Anti-lock braking system warning lamp does not illuminate |3.4.1b| | 136 |
| Brake hose excessively deteriorated | 135 |
| Offside Headlamp not working on main beam |1.7.5a| | 134 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 132 |
| Mechanical brake component has restricted free movement | 131 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 131 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 130 |
| Steering column movement between the shaft and steering wheel |2.1.2b| | 129 |
| Nearside Rear Suspension arm has excessive play in a pin/bush |2.4.G.2| | 126 |
| Nearside front brake binding |3.7.B.1| | 123 |
| Nearside Side repeater not working |1.4.A.2c| | 123 |
| Centre Rear Stop lamp not working |1.2.1b| | 120 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 114 |