| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 354 |
| Windscreen wiper does not clear the windscreen effectively | 145 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 126 |
| Brake pipe excessively corroded | 57 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 56 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 50 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 48 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 48 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 48 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 45 |
| Registration plate issues | 43 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 42 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 37 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 35 |
| Registration plate lamp issues | 27 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 27 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 25 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 25 |
| Anti-lock braking system warning lamp indicates an ABS fault | 24 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 24 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 24 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 23 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 22 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 22 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 22 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 21 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 21 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 18 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 17 |
| Windscreen washer not working | 17 |
| Brakes imbalanced across an axle | 16 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 16 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 16 |
| Offside Front coil spring broken |2.4.C.1a| | 15 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 15 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 15 |
| Nearside Front Lower Suspension arm ball joint excessively worn rear (5.3.4 (a) (i)) | 15 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 13 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 13 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 13 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 13 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 13 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 12 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 12 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 11 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 11 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 11 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 10 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 10 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 10 |
| Nearside Rear Direction indicator incorrect colour |4.4.3 |a|| | 10 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 10 |
| Offside Front Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 10 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 9 |
| Nearside Side repeater not working |1.4.A.2c| | 9 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 9 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 9 |
| Offside Rear Direction indicator incorrect colour |4.4.3 |a|| | 9 |
| Central Stop lamp(s) with a multiple light source more than 1/2 not functioning (4.3.1 (a) (ii)) | 9 |
| Nearside Front Road wheel fixing missing (5.2.1 (a) (i)) | 9 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 9 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 9 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 8 |
| Offside Front Coil spring fractured or broken |5.3.1 |b| |i|| | 8 |
| Nearside Front coil spring broken |2.4.C.1a| | 8 |
| Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 8 |
| Nearside Front Shock absorbers has a serious fluid leak | 8 |
| Offside Front Lower Suspension arm ball joint excessively worn rear (5.3.4 (a) (i)) | 8 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 8 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 8 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 8 |
| Exhaust system insecure (6.1.2 (a)) | 8 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 8 |
| Offside Front Lower Suspension arm ball joint excessively worn rear arm (5.3.4 (a) (i)) | 8 |
| Nearside Front Lower Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 7 |
| Offside Headlamp light intensity severely reduced (4.1.4 (a)) | 7 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 7 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 7 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 7 |
| Nearside Front Suspension arm ball joint excessively worn rear arm (5.3.4 (a) (i)) | 7 |
| Fuel cap/sealing device missing (6.1.3 (b) (i)) | 7 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 6 |
| Offside Front Lower Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 6 |
| Offside Front Track rod end ball joint has excessive play |2.1.3 |b| |i|| | 6 |
| Front brake disc in such a condition that it is seriously weakened | 6 |
| Front brake application uneven | 6 |
| Offside Front Position lamp not working |4.2.1 |a|| | 6 |
| Offside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 6 |
| Nearside Front Coil spring fractured or broken |5.3.1 |b| |i|| | 6 |
| Offside Front Road wheel fixing missing (5.2.1 (a) (i)) | 6 |
| Offside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 6 |
| Nearside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 6 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 6 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 6 |
| Rear Exhaust system insecure (6.1.2 (a)) | 6 |
| Offside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 6 |
| Offside Front Shock absorbers has a serious fluid leak | 6 |