| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 6 |
| Brakes imbalanced across an axle | 4 |
| Nearside Front position lamp|s| incorrect colour |1.1.A.3e| | 3 |
| Offside Front position lamp|s| incorrect colour |1.1.A.3e| | 3 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 3 |
| Parking brake: efficiency below requirements |3.7.B.7| | 3 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 3 |
| Horn not working |1.6.2a| | 2 |
| Rear parking brake recording little or no effort | 2 |
| Brake hose damaged | 2 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 1 |
| Service brake: efficiency below requirements |3.7.B.7| | 1 |
| Power steering component|s| leaking |2.3.3b| | 1 |
| Nearside Rear brake disc contaminated by oil |3.5.1h| | 1 |
| Offside Rear Suspension component mounting prescribed area is fractured |2.4.A.3| | 1 |
| Steering column retaining device insecure |2.1.6| | 1 |
| Registration plate issues | 1 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 1 |
| Stop lamp emits other than a steady red light |1.2.1e| | 1 |
| Nearside Front Upper Front suspension has excessive movement at a suspension ball joint |2.5.A.1c| | 1 |
| Offside Front Upper Front suspension has excessive movement at a suspension ball joint |2.5.A.1c| | 1 |
| Offside Stop lamp not working |1.2.1b| | 1 |
| Offside Inner Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Front Lower Suspension arm has excessive play in a ball joint loose in housing |2.4.G.2| | 1 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 1 |
| Offside Leaf spring to axle securing bolt insecure |2.4.B.7b| | 1 |
| Rear Direction indicators not working |1.4.A.2c| | 1 |
| Nearside Stop lamp not working |1.2.1b| | 1 |
| Nearside Front Inner Track rod end ball pin shank loose |2.2.B.1c| | 1 |
| Offside Front Inner Track rod end ball pin shank loose |2.2.B.1c| | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 1 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 1 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 1 |
| Offside Front Battery insecure and likely to fall from carrier (4.13 (a) (ii)) | 1 |
| Nearside Front Direction indicators not working |1.4.A.2c| | 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 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 1 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 1 |
| Headlamp not working on dipped beam both (4.1.1 (a) (ii)) | 1 |
| Headlamp not working on main beam both (4.1.1 (a) (ii)) | 1 |
| Offside Front All direction indicators not working (4.4.1 (a) (ii)) | 1 |
| Stop lamp(s) all not working (4.3.1 (a) (iii)) | 1 |
| Battery insecure and likely to cause a short circuit (4.13 (a) (ii)) | 1 |
| Windscreen washer not working | 1 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 1 |
| Offside Headlamp not working on main beam |1.7.5a| | 1 |
| Offside Rear Rear wheel bearing rough when rotated |2.6.1| | 1 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 1 |
| Shock absorber has a serious fluid leak Both front |2.7.3| | 1 |
| Registration plate lamp issues | 1 |
| Front position lamp|s| incorrect colour nearside and offside |1.1.A.3e| | 1 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 1 |
| Rear Direction indicators incorrect colour nearside and offside |1.4.A.2f| | 1 |
| Front Headlamp not working on dipped beam nearside and offside |1.7.5a| | 1 |
| Front Headlamp not working on main beam nearside and offside |1.7.5a| | 1 |
| Battery insecure |1.9.1| | 1 |
| Offside Front Electrical wiring inadequately supported battery earth lead |1.9.2a| | 1 |
| Nearside Front Drag link end ball joint has excessive play |2.2.B.1f| | 1 |
| Offside Front Drag link end ball joint has excessive play |2.2.B.1f| | 1 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 1 |
| Offside Front Steering arm has relative movement at its fixings |2.2.B.1h| | 1 |
| Headlamp aim aimed so that it dazzles other road users Both lights dip to right |1.8.A.1a| | 1 |
| Front position lamp|s| incorrect colour Both front amber |1.1.A.3e| | 1 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 1 |