| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 79 |
| Headlamp aim out of alignment | 75 |
| Registration plate issues | 57 |
| Parking brake: efficiency below requirements |3.7.B.7| | 43 |
| Windscreen wiper does not clear the windscreen effectively | 38 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 30 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 30 |
| Anti-lock braking system warning lamp indicates an ABS fault | 22 |
| Registration plate lamp issues | 17 |
| Rear parking brake recording little or no effort | 17 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 15 |
| Brakes imbalanced across an axle | 14 |
| Electronic parking brake warning indicates a malfunction (1.1.6 (e)) | 12 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 11 |
| Offside Rear Shock absorbers has a serious fluid leak | 11 |
| Windscreen has damage | 10 |
| Nearside Rear Shock absorbers has a serious fluid leak | 9 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 9 |
| Front brake disc in such a condition that it is seriously weakened | 9 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 8 |
| Nearside Front Shock absorbers has a serious fluid leak | 7 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 7 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 7 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 7 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 7 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 6 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 6 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 6 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 6 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 6 |
| Nearside Headlamp cleaning device inoperative |1.7.2| | 6 |
| Windscreen washer not working | 6 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 6 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 6 |
| Offside Front Shock absorbers has a serious fluid leak | 6 |
| Electronic parking brake control defective so that it cannot be satisfactorily operated (1.1.6 (d)) | 6 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 5 |
| Offside Headlamp cleaning device inoperative |1.7.2| | 5 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 5 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 5 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 5 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 5 |
| Electronic parking brake control inoperative (1.1.6 (d)) | 5 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 4 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 4 |
| Nearside Front Lower Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 4 |
| Offside Front Lower Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 4 |
| Electronic parking brake warning indicates a malfunction |3.1.7| | 4 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 4 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 4 |
| Front brake excessively fluctuating | 4 |
| Nearside Front Road wheel fractured (5.2.2 (a)) | 4 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 4 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 4 |
| Front brake application uneven | 3 |
| Nearside Rear coil spring broken |2.4.C.1a| | 3 |
| Exhaust hydrocarbon content after 2nd fast idle exceeds default limits |8.2.1.2 |b|| | 3 |
| Battery insecure |1.9.1| | 3 |
| Offside Front brake caliper leaking |3.6.A.1| | 3 |
| Nearside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 3 |
| Offside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 3 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 3 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 3 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 3 |
| Offside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 3 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 3 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 3 |
| Nearside Front Lower Suspension arm ball joint excessively worn rear arm (5.3.4 (a) (i)) | 3 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 3 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 3 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 3 |
| Nearside Rear Coil spring fractured or broken |5.3.1 |b| |i|| | 2 |
| Offside Rear Coil spring fractured or broken |5.3.1 |b| |i|| | 2 |
| Brake performance not tested |1.2.1 |g|| | 2 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 2 |
| Offside Rear coil spring broken |2.4.C.1a| | 2 |
| Nearside Front Body has a sharp edge caused by damage |6.1.C.1| | 2 |
| Front Brake disc significantly and obviously worn |1.1.14 |a| |i|| | 2 |
| Nearside Front Side repeater excessively damaged so that it is not visible from a reasonable distance |1.4.A.2e| | 2 |
| Electronic parking brake warning indicates a malfunction |1.1.6 |e|| | 2 |
| Hazard warning lamps inoperative |1.4.B.1b| | 2 |
| Offside Front Service brake excessively binding |1.2.1 |f|| | 2 |
| Nearside front brake binding |3.7.B.1| | 2 |
| Exhaust emissions likely to be affected by an exhaust leak |8.2.1.1 |b|| | 2 |
| Nearside Rear Wheel bolt|s| missing |4.2.A.1e| | 2 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 2 |
| Rear brake application uneven | 2 |
| Offside Front Hydraulic brake calliper leaking |1.1.16 |b| |i|| | 2 |
| Offside Front Position lamp not working |4.2.1 |a|| | 2 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 2 |
| Nearside Front Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt Rear Arm |2.4.G.2| | 2 |
| Electronic parking brake control inoperative |1.1.6 |d|| | 2 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 2 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 2 |
| Hazard warning lamps inoperative (4.4.1 (e)) | 2 |
| Nearside Front Lower Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 2 |
| Offside Front Lower Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 2 |
| Offside Front Road wheel fractured (5.2.2 (a)) | 2 |
| Nearside Front Service brake excessively fluctuating (1.2.1 (e)) | 2 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 2 |
| Brake performance not tested (1.2.1 (g)) | 2 |
| Rear Brake pipe leaking on a hydraulic braking system (1.1.11 (b) (ii)) | 2 |
| Nearside Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 2 |
| Hazard warning switch inoperative (4.4.2 (a) (ii)) | 2 |
| Nearside Front Inner Road wheel fractured (5.2.2 (a)) | 2 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 2 |
| Offside Front Outer Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 2 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 2 |
| Nearside Front Hydraulic brake calliper leaking (1.1.16 (b) (i)) | 2 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 2 |