| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 4 |
| Headlamp aim out of alignment | 3 |
| Brake pipe excessively corroded | 3 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 3 |
| Windscreen wiper blade insecure | 2 |
| Vehicle Identification Number has more than one different number displayed |6.3.5.b| | 2 |
| Registration plate lamp issues | 2 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 2 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 2 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 2 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 2 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 2 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 2 |
| Offside Rear Stop lamp not working |1.2.1b| | 1 |
| Offside Stop lamp not working |1.2.1b| | 1 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 1 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Side repeater incomplete |1.5.A1b| | 1 |
| Offside Side repeater incomplete |1.5.A1b| | 1 |
| Anti-lock braking system warning lamp indicates an ABS fault | 1 |
| Nearside Front position lamp|s| incorrect colour |1.1.A.3e| | 1 |
| Offside Front position lamp|s| incorrect colour |1.1.A.3e| | 1 |
| Offside Rear fog lamp missing |1.3.2a| | 1 |
| Rear fog lamp tell tale not working |1.3.1b| | 1 |
| Rear fog lamp switch missing |1.3.1a| | 1 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 1 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 1 |
| Front position lamp|s| missing |1.1.A.3a| | 1 |
| Offside Side repeater not working |1.4.A.2c| | 1 |
| Direction indicator incorrect colour |1.4.A.2f| | 1 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 1 |
| Emissions not tested |7.0| | 1 |
| Service brake: efficiency below requirements |3.7.B.7| | 1 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 1 |
| Nearside Front All position lamps not working |1.1.A.3b| | 1 |
| Offside Front All position lamps not working |1.1.A.3b| | 1 |
| Exhaust emissions carbon monoxide content excessive |7.3.B.1a| | 1 |
| Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 1 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 1 |