| Most common failures | No# failures |
|---|
| Exhaust emissions carbon monoxide content excessive |7.3.B.1a| | 4 |
| Headlamp aim out of alignment | 3 |
| Windscreen washer not working | 2 |
| Registration plate issues | 2 |
| Exhaust emissions carbon monoxide content excessive |8.2.1.2 |b|| | 2 |
| Offside Side repeater not working |1.4.A.2c| | 1 |
| Exhaust emissions hydrocarbon content excessive |7.3.B.1b| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Exhaust emissions carbon monoxide content excessive 7.99% | 4.50% limit|. |8.2.1.2 |b|| | 1 |
| Offside Rear Direction indicators not working |1.4.A.2c| | 1 |
| All position lamps not working |1.1.A.3b| | 1 |
| Direction indicators flashing less than 60 times a minute |1.4.A.2g| | 1 |
| Nearside Rear Direction indicators not working |1.4.A.2c| | 1 |
| Offside Front Direction indicators not working |1.4.A.2c| | 1 |
| Nearside Rear Lower Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Nearside Front Direction indicators flashing less than 60 times a minute |1.4.A.2g| | 1 |
| Nearside Rear Direction indicators flashing less than 60 times a minute |1.4.A.2g| | 1 |
| Offside Front Direction indicators flashing less than 60 times a minute |1.4.A.2g| | 1 |
| Offside Rear Direction indicators flashing less than 60 times a minute |1.4.A.2g| | 1 |
| Windscreen wiper does not clear the windscreen effectively | 1 |
| Nearside Fuel cap/sealing device ineffective |6.1.3 |b| |i|| | 1 |
| Offside Headlamp aim not tested |4.1.2 |b|| | 1 |
| Offside Headlamp light intensity severely reduced dip beam |4.1.4 |a|| | 1 |
| Nearside Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Offside Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Nearside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Offside Front Direction indicator adversely affected by the operation of another lamp |4.4.3 |b|| | 1 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 1 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Horn not working |1.6.2a| | 1 |
| Brake pipe inadequately supported |3.6.B.1| | 1 |
| Fuel tank leaking |7.2.3| | 1 |
| Nearside Front Lower Ball joint has excessive play |2.2.B.1f| | 1 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Offside Front Front position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Offside Front Direction indicator not working |1.4.A.2c| | 1 |
| Offside Direction indicator flashing less than 60 times a minute |1.4.A.2g| | 1 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |