| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 141 |
| Headlamp aim out of alignment | 73 |
| Registration plate issues | 44 |
| Windscreen washer not working | 30 |
| Registration plate lamp issues | 24 |
| Brakes imbalanced across an axle | 18 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 18 |
| Brake pipe excessively corroded | 16 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 14 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 13 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 12 |
| Nearside Rear Shock absorbers has a serious fluid leak | 11 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 10 |
| Rear brake binding | 10 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 9 |
| Rear Mechanical brake component has restricted free movement | 9 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 8 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 8 |
| Electronic power steering warning lamp indicates a system malfunction (2.6 (a)) | 8 |
| Anti-lock braking system warning lamp indicates an ABS fault | 7 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 7 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 7 |
| Nearside front brake binding |3.7.B.1| | 6 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 6 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 6 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 6 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 6 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 5 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 5 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 5 |
| Offside Front Position lamp not working |4.2.1 |a|| | 5 |
| Exhaust carbon monoxide content at idle exceeds default limits (8.2.1.2 (b)) | 5 |
| Windscreen has damage | 5 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 4 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 4 |
| Front brake application uneven | 4 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 4 |
| Nearside Rear Service brake excessively binding |1.2.1 |f|| | 4 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 4 |
| Exhaust carbon monoxide content at idle exceeds manufacturers specified limits (8.2.1.2 (b)) | 4 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 4 |
| Nearside Front Service brake excessively binding |1.2.1 |f|| | 4 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 4 |
| Electronic stability system warning lamp indicates a fault |3.4.1c| | 4 |
| Parking brake lever has no reserve travel |3.1.6b| | 4 |
| Bonnet cannot be secured in the closed position (3.1 (b) (i)) | 4 |
| Offside Front Anti-roll bar linkage fractured |5.3.3 |b| |ii|| | 4 |
| Parking brake: efficiency below requirements |3.7.B.7| | 4 |
| Offside Front Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 3 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 3 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 3 |
| Offside Front Service brake excessively binding |1.2.1 |f|| | 3 |
| Offside Rear Shock absorbers has a serious fluid leak | 3 |
| Electronic power steering warning lamp indicates a system malfunction |2.6 |a|| | 3 |
| Nearside Headlamp cleaning device inoperative |1.7.2| | 3 |
| Offside Headlamp cleaning device inoperative |1.7.2| | 3 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 3 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits |8.2.1.2 |b|| | 3 |
| Electronic power steering warning lamp indicates a failure in the system |2.3.8| | 3 |
| Rear brake disc in such a condition that it is seriously weakened | 3 |
| Nearside Front Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 3 |
| Rear brake application uneven | 3 |
| Nearside Headlamp not working on main beam |1.7.5a| | 2 |
| Offside Rear wheel bearing has excessive play |2.6.2| | 2 |
| Front brake excessively fluctuating | 2 |
| Stop lamp(s) not working (4.3.1 (a) (ii)) | 2 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 2 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 2 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 2 |
| Nearside Front Valve stem seriously damaged |4.1.D.1e| | 2 |
| Offside Front Valve stem seriously damaged |4.1.D.1e| | 2 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 2 |
| Brake performance unable to be tested (1.2.1 (g)) | 2 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 2 |
| Exhaust catalytic converter missing where one was fitted as standard |7.1.3| | 2 |
| Headlamp cleaning device inoperative |1.7.2| | 2 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 2 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 2 |
| Offside Rear Anti-roll bar linkage missing (5.3.3 (a) (ii)) | 2 |
| Nearside Front Service brake excessively fluctuating (1.2.1 (e)) | 2 |
| Offside Rear Anti-roll bar linkage insecurely attached |5.3.3 |a| |i|| | 2 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 2 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 2 |
| Offside Front front brake binding |3.7.B.1| | 2 |
| Front Headlamp cleaning device inoperative |1.7.2| | 2 |
| Nearside Rear brake caliper has restricted free movement |3.5.1k| | 2 |
| Offside Rear Anti-roll bar linkage fractured (5.3.3 (b) (ii)) | 2 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 2 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 2 |
| Offside Front Anti-roll bar linkage fractured (5.3.3 (b) (ii)) | 2 |
| Nearside Rear Valve stem seriously damaged |4.1.D.1e| | 2 |
| Offside Rear Valve stem seriously damaged |4.1.D.1e| | 2 |
| Brake hose excessively deteriorated | 2 |
| Rear fog lamp does not emit a steady red light (4.5.4 (a)) | 2 |
| Offside Front Upper Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 2 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 2 |
| Mechanical brake component has restricted free movement | 2 |