| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 19 |
| Registration plate issues | 7 |
| Windscreen wiper does not clear the windscreen effectively | 7 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 5 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 2 |
| Emissions not tested |7.0| | 2 |
| Horn not working |1.6.2a| | 2 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 2 |
| Offside Stop lamp not working |1.2.1b| | 2 |
| Brake pipe excessively corroded | 2 |
| Registration plate lamp issues | 2 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 2 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 2 |
| Rear brake binding | 2 |
| Brake hose excessively deteriorated | 2 |
| Nearside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 1 |
| Exhaust emissions hydrocarbon content excessive |7.3.B.1b| | 1 |
| Offside Rear Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Steering column movement between the shaft and steering wheel |2.1.2b| | 1 |
| Centre Front Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 1 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 1 |
| Anti-lock braking system warning lamp is missing. |3.4.1a| | 1 |
| Offside Front Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Offside Front Lower Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 1 |
| Rear parking brake recording little or no effort | 1 |
| Parking brake: efficiency below requirements |3.7.B.7| | 1 |
| Front Front position lamp|s| incorrect colour |1.1.A.3e| | 1 |
| Rear fog lamp emits a light other than red |1.3.2e| | 1 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 1 |
| Offside Front suspension has a suspension lower ball joint securing nut not locked |2.5.B.1a| | 1 |
| Nearside Stop lamp not working |1.2.1b| | 1 |
| Offside Rear Coil spring not correctly located |2.4.C.2| | 1 |
| Anti-lock braking system warning lamp indicates an ABS fault | 1 |
| Nearside Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b| | 1 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Front Steering box has relative movement between sector shaft and the drop arm |2.2.B.1b| | 1 |
| Central Stop lamp emits other than a steady red light |1.2.1e| | 1 |
| Rear fog lamp not working |1.3.2b| | 1 |
| Rear fog lamp tell tale not working |1.3.1b| | 1 |
| Exhaust emissions carbon monoxide content excessive |7.3.B.1a| | 1 |
| Windscreen washer jets misaligned and not providing sufficient fluid to the windscreen |3.5 |a|| | 1 |
| Front position lamp|s| incorrect colour |1.1.A.3e| | 1 |
| Rear Rear fog lamp not working |1.3.2b| | 1 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 1 |
| Braking system leaking |3.6.A.1| | 1 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Windscreen wiper blade insecure | 1 |
| Nearside Rear position lamp|s| excessively damaged so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Nearside Rear Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Front passenger seat insecure |6.2.3| | 1 |
| Offside Front Lower Suspension component ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Steering system excessively rough (2.1.1 (a)) | 1 |
| Offside Front Obligatory mirror insecure (3.3 (b) (ii)) | 1 |
| Battery insecure and likely to cause a short circuit (4.13 (a) (ii)) | 1 |
| Nearside Front Track rod end ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 1 |
| Exhaust catalytic converter missing where one was fitted as standard (8.2.1.1 (a)) | 1 |
| Offside Rear Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Headlamp levelling device inoperative (4.1.5 (a)) | 1 |
| Brakes imbalanced across an axle | 1 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 1 |