| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 105 |
| Windscreen wiper does not clear the windscreen effectively | 91 |
| Headlamp aim out of alignment | 55 |
| Nearside Stop lamp not working |1.2.1b| | 40 |
| Offside Stop lamp not working |1.2.1b| | 38 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 32 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 30 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 28 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 26 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 23 |
| Parking brake: efficiency below requirements |3.7.B.7| | 22 |
| Registration plate issues | 15 |
| Rear brake binding | 14 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 14 |
| Rear parking brake recording little or no effort | 13 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 12 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 12 |
| Nearside Rear Stop lamp not working |1.2.1b| | 12 |
| Front brake disc in such a condition that it is seriously weakened | 12 |
| Brake pipe excessively corroded | 12 |
| Nearside Rear coil spring broken |2.4.C.1a| | 10 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 10 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 10 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 9 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 9 |
| Offside Front coil spring broken |2.4.C.1a| | 8 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 8 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 8 |
| Rear Mechanical brake component has restricted free movement | 7 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 7 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 7 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 7 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 7 |
| Offside Rear Stop lamp not working |1.2.1b| | 7 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 7 |
| Offside Rear coil spring broken |2.4.C.1a| | 7 |
| Nearside Front coil spring broken |2.4.C.1a| | 7 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 7 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 6 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 6 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 6 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 6 |
| Rear brake disc in such a condition that it is seriously weakened | 6 |
| Offside Front Coil spring fractured or broken |5.3.1 |b| |i|| | 6 |
| Brakes imbalanced across an axle | 5 |
| Rear Direction indicators incorrect colour |1.4.A.2f| | 5 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 5 |
| Windscreen has damage | 5 |
| Offside Front Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 5 |
| Offside Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 5 |
| Nearside Front Steering arm has relative movement at its fixings |2.2.B.1h| | 5 |
| Battery insecure |1.9.1| | 5 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 4 |
| Offside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 4 |
| Nearside Steering arm has relative movement at its fixings |2.2.B.1h| | 4 |
| Offside Steering arm has relative movement at its fixings |2.2.B.1h| | 4 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 4 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 4 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 4 |
| Rear Exhaust system not adequately supported |7.1.1| | 4 |
| Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 4 |
| Nearside Front Ball joint has excessive play |2.2.B.1f| | 4 |
| Offside Ball joint has excessive play |2.2.B.1f| | 4 |
| Nearside Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 4 |
| Electronic parking brake warning indicates a malfunction |3.1.7| | 4 |
| Nearside Steering rack gaiter insecure |2.2.D.2d| | 4 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 4 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 4 |
| Nearside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 3 |
| Nearside Ball joint has excessive play |2.2.B.1f| | 3 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 3 |
| Offside Headlamp aim projected beam image is obviously incorrect |4.1.2 |c|| | 3 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 3 |
| Windscreen washer not working | 3 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 3 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 3 |
| Hazard warning tell tale not working correctly |1.4.B.1e| | 3 |
| Offside Headlamp aim beam image kick up to the offside |1.8| | 3 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 3 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 3 |
| Offside Front Steering arm has relative movement at its fixings |2.2.B.1h| | 3 |
| Nearside Front Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 3 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 3 |
| Brake hose excessively deteriorated | 2 |
| Front Headlamp not working on dipped beam |1.7.5a| | 2 |
| Offside Front Position lamp not working |4.2.1 |a|| | 2 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 2 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 2 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 2 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 2 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 2 |
| Nearside Front Drag link end ball joint has excessive play |2.2.B.1f| | 2 |
| Offside Outer Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 2 |
| Nearside Front Shock absorbers has a serious fluid leak | 2 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 2 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 2 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 2 |
| Offside Headlamp not working on main beam |1.7.5a| | 2 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 2 |
| Rear Direction indicator incorrect colour |1.4.A.2f| | 2 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 2 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 2 |
| Rear fog lamp tell tale not working |1.3.1b| | 2 |
| Indicator tell tale inoperative |1.4.A.2a| | 2 |
| Rear Exhaust system insecure (6.1.2 (a)) | 2 |
| Nearside Headlamp aim beam image kick up to the offside |1.8| | 2 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 2 |
| Nearside Rear Coil spring fractured or broken |5.3.1 |b| |i|| | 2 |
| Nearside Front Road wheel bead rim badly distorted |4.2.A.1a| | 2 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 2 |
| Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 2 |
| Nearside Rear Body has a sharp edge caused by damage |6.1.C.1| | 2 |
| Offside Rear Direction indicator adversely affected by the operation of another lamp (4.4.3 (b)) | 2 |
| Front position lamp|s| not working |1.1.A.3b| | 2 |
| Offside Front Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 2 |
| Nearside Front Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 2 |
| Front brake excessively fluctuating | 2 |