| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 40 |
| Windscreen wiper does not clear the windscreen effectively | 34 |
| Registration plate issues | 13 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 6 |
| Registration plate lamp issues | 5 |
| Windscreen washer not working | 5 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 4 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 4 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 4 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 3 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 3 |
| Exhaust carbon monoxide content at idle exceeds default limits (8.2.1.2 (b)) | 3 |
| Brakes imbalanced across an axle | 3 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 3 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 2 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 2 |
| Nearside Headlamp levelling device inoperative (4.1.5 (a)) | 2 |
| Offside Headlamp levelling device inoperative (4.1.5 (a)) | 2 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 1 |
| Offside Windscreen damaged and affecting the drivers view of the road (3.2 (a) (ii)) | 1 |
| Offside Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Brake pedal anti-slip provision missing (1.1.2 (c)) | 1 |
| Front Brake disc significantly and obviously worn both sides (1.1.14 (a) (i)) | 1 |
| Offside Obligatory mirror insecure (3.3 (b) (ii)) | 1 |
| Anti-lock braking system warning lamp indicates an ABS fault | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Front brake disc in such a condition that it is seriously weakened | 1 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 1 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 1 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Nearside Rear Fluid leak harmful to the environment or a risk to other road users COOLANT pipe clamps heavily corroded and weak (8.4.1 (a) (i)) | 1 |
| Nearside Front Direction indicator does not face the front (4.4.3 (a)) | 1 |
| Nearside Front Direction indicator light intensity significantly reduced (4.4.3 (a)) | 1 |
| Offside Front Side repeater not working (4.4.1 (a) (ii)) | 1 |
| Nearside Side repeater lens defective such that the emitted light is adversely affected (4.4.1 (b) (ii)) | 1 |
| Nearside Steering rack gaiter missing or no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 1 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 1 |
| Nearside Front Obligatory mirror seriously damaged, affecting the rear view (3.3 (b) (ii)) | 1 |
| Offside Front Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Windscreen washer jets misaligned and not providing sufficient fluid to the windscreen (3.5 (a)) | 1 |
| Offside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Offside Front Seat belt not functioning as intended (7.1.2 (c)) | 1 |
| Offside Front Direction indicator obviously incorrectly positioned (4.4.3 (a)) | 1 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 1 |
| Oil leaking excessively from engine (8.4.1 (a) (i)) | 1 |