| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 10 |
| Headlamp aim out of alignment | 4 |
| Horn not working |1.6.2a| | 4 |
| Windscreen wiper does not clear the windscreen effectively | 3 |
| Parking brake: efficiency below requirements |3.7.B.7| | 3 |
| Offside Rear fog lamp not working |1.3.2b| | 2 |
| Stop lamp not working |1.2.1b| | 2 |
| Offside Stop lamp not working |1.2.1b| | 1 |
| Hazard warning lamps inoperative |1.4.B.1b| | 1 |
| Direction indicators not working |1.4.A.2c| | 1 |
| Front Windscreen wiper blade deteriorated |8.2.2| | 1 |
| Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 1 |
| Front brake disc excessively pitted |3.5.1h| | 1 |
| Offside Front Brake hose twisted |found during steering lock to lock check| |2.2.D.2b| | 1 |
| Offside Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 1 |
| Rear Direction indicator excessively damaged so that it is not visible from a reasonable distance |1.4.A.2e| | 1 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Emissions not tested |7.0| | 1 |
| Nearside Rear Direction indicator adversely affected by the operation of another lamp |1.4.A.2h| | 1 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Rear Exhaust system not adequately supported |7.1.1| | 1 |
| Brake performance not tested |3.7.A.1| | 1 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 1 |
| Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Exhaust emits an excessive level of metered smoke for a non-turbo charged engine |7.4.B.3b| | 1 |
| Service brake: efficiency below requirements |3.7.B.7| | 1 |
| Nearside Stop lamp not working |1.2.1b| | 1 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 1 |
| Registration plate lamp issues | 1 |
| Offside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 1 |
| Front Windscreen wiper not operating automatically when switched on |8.2.1b| | 1 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Windscreen washer not working | 1 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 1 |
| Offside Rear Rear fog lamp not working |4.5.1 |a| |ii|| | 1 |
| Nearside Rear Inner Brake pipe connection leaking on a hydraulic braking system Brake pipe joint Is leaking from t-piece. |1.1.11 |b| |ii|| | 1 |
| Service brake efficiency less than 50% of the required value |1.2.2 |a| |ii|| | 1 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 1 |
| Nearside Headlamp aim beam image kick up to the offside |1.8| | 1 |
| Offside Headlamp aim beam image kick up to the offside |1.8| | 1 |