| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 29 |
| Registration plate issues | 12 |
| Brake pipe excessively corroded | 10 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 10 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 8 |
| Rear parking brake recording little or no effort | 8 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 7 |
| Windscreen wiper does not clear the windscreen effectively | 7 |
| Parking brake: efficiency below requirements |3.7.B.7| | 6 |
| Registration plate lamp issues | 5 |
| Brakes imbalanced across an axle | 3 |
| Service brake: efficiency below requirements |3.7.B.7| | 3 |
| Rear brake disc in such a condition that it is seriously weakened | 2 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 2 |
| Offside Headlamp not working on main beam |1.7.5a| | 2 |
| Nearside Front Upper Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 2 |
| Rear Parking brake lever has no reserve travel |3.1.6b| | 2 |
| Brake hose excessively deteriorated | 2 |
| Front brake application uneven | 2 |
| Nearside Front coil spring fractured |2.4.C.1a| | 1 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 1 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 1 |
| Offside Rear Road wheel badly damaged |4.2.A.1a| | 1 |
| Nearside Rear Exhaust emissions likely to be affected by an exhaust leak |8.2.1.1 |b|| | 1 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 1 |
| Offside Front Upper Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt upper arm ball joint dust cover |2.4.G.2| | 1 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 1 |
| Offside Front Upper Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 1 |
| Anti-lock braking system warning lamp does not illuminate |3.4.1b| | 1 |
| Nearside Front Direction indicators adversely affected by the operation of another lamp |1.4.A.2h| | 1 |
| Offside Front Direction indicators adversely affected by the operation of another lamp |1.4.A.2h| | 1 |
| Offside Front suspension has excessive play in a upper suspension ball joint |2.5.B.1a| | 1 |
| Central Power steering pipe|s| or hose|s| leaking under floor |2.3.3b| | 1 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 1 |
| Offside Front Obligatory mirror insecure |8.1.1| | 1 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 1 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 1 |
| Offside Front coil spring fractured |2.4.C.1a| | 1 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 1 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 1 |
| Rear brake disc has restricted free movement |3.5.1j| | 1 |
| rear parking |secondary| brakes imbalanced | 1 |
| Nearside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Nearside Stop lamp not working |1.2.1b| | 1 |
| Offside Stop lamp not working |1.2.1b| | 1 |
| Offside Front Oil leaking excessively from engine |8.4.1 |a| |i|| | 1 |
| Rear Oil leaking excessively from engine |8.4.1 |a| |i|| | 1 |
| Brake performance not tested Oil leak |1.2.1 |g|| | 1 |
| Emissions not tested Oil leak |8.2.1.2 |d|| | 1 |
| Offside Rear wheel bearing has excessive play |2.6.2| | 1 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 1 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 1 |
| Driver`s seat fore and aft adjustment mechanism not functioning as intended. |6.2.A.3| | 1 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 1 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 1 |
| Brake fluid warning lamp illuminated on dash |3.6.G.2| | 1 |
| Offside Front coil spring broken |2.4.C.1a| | 1 |
| Nearside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Offside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Horn not loud enough to be heard by another road user |1.6.2b| | 1 |
| Nearside Headlamp not working on main beam |1.7.5a| | 1 |
| Anti-lock braking system warning lamp indicates an ABS fault | 1 |
| Rear brake disc excessively pitted |3.5.1h| | 1 |
| Nearside Outer Headlamp reflector seriously defective (4.1.1 (b) (ii)) | 1 |
| Nearside Inner Headlamp reflector seriously defective (4.1.1 (b) (ii)) | 1 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 1 |
| Hazard warning lamps inoperative (4.4.1 (e)) | 1 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 1 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Offside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Offside Front Headlamp aim not tested (4.1.2 (b)) | 1 |
| Nearside Direction indicator not working side (4.4.1 (a) (ii)) | 1 |