| Most common failures | No# failures |
|---|
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 6 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 5 |
| Service brake: efficiency below requirements |3.7.B.7| | 5 |
| Nearside Stop lamp not working |1.2.1b| | 4 |
| Offside Rear Stop lamp not working |1.2.1b| | 4 |
| Windscreen wiper does not clear the windscreen effectively | 4 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 4 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 4 |
| Brake pipe excessively corroded | 3 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 3 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 2 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 2 |
| Offside Rear fog lamp not working |1.3.2b| | 2 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 2 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 2 |
| Registration plate issues | 2 |
| Nearside Rear Stop lamp not working |1.2.1b| | 2 |
| Headlamp aim out of alignment | 2 |
| Offside Lower Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Offside Headlamp aim beam image kick up to the offside |1.8| | 1 |
| Nearside Front Headlamp aim beam image kick up to the offside |1.8| | 1 |
| Offside Front Headlamp aim beam image kick up to the offside |1.8| | 1 |
| Offside Rear Anti-lock braking system component excessively damaged |3.4.2| | 1 |
| Exhaust tailpipe not capable of allowing the emission probe to be inserted |7.3.D.1| | 1 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 1 |
| Front brake disc in such a condition that it is seriously weakened | 1 |
| Offside Front coil spring broken |2.4.C.1a| | 1 |
| Nearside Front Track rod end 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 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 1 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Offside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Nearside Side repeater not working |1.4.A.2c| | 1 |
| Offside Rear Rear fog lamp emits a light other than red |1.3.2e| | 1 |
| Brakes imbalanced across an axle | 1 |
| Horn not working |1.6.2a| | 1 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 1 |
| Steering damper leaking oil |2.2.C.1f| | 1 |
| Rear parking brake recording little or no effort | 1 |
| Offside Front All position lamps not working |1.1.A.3b| | 1 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 1 |
| Registration plate lamp issues | 1 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 1 |
| Front passenger door cannot be opened from inside the vehicle |6.2.B.1b| | 1 |
| Front passenger door cannot be opened from outside the vehicle |6.2.B.1b| | 1 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 1 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 1 |