| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 139 |
| Headlamp aim out of alignment | 67 |
| Brake pipe excessively corroded | 41 |
| Nearside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 20 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 17 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 16 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 15 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 15 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 14 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 10 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 10 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 10 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 8 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 8 |
| Registration plate issues | 8 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 7 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 7 |
| Nearside Front Wheel bearing has excessive play |5.1.3 |a| |i|| | 7 |
| Front brake disc in such a condition that it is seriously weakened | 7 |
| Registration plate lamp issues | 6 |
| Windscreen washer not working | 6 |
| Horn not working (7.7 (a) (ii)) | 6 |
| Horn not working (7.7 (a)) | 6 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 6 |
| Exhaust emissions exceed default limit of 0.7m-1 (8.2.2.2 (b)) | 5 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 5 |
| Brakes imbalanced across an axle | 5 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 5 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 4 |
| Central Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 4 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 4 |
| Engine MIL inoperative or indicates a malfunction |8.2.2.2 |g|| | 4 |
| Rear brake disc in such a condition that it is seriously weakened | 4 |
| Nearside Rear Service brake excessively binding |1.2.1 |f|| | 4 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 4 |
| Nearside Front Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 3 |
| Offside Rear Service brake excessively binding |1.2.1 |f|| | 3 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 3 |
| Rear brake binding | 3 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 3 |
| Exhaust on a vehicle fitted with a diesel particulate filter emits visible smoke of any colour (8.2.2.2 (d)) | 3 |
| Nearside Front Service brake excessively fluctuating (1.2.1 (e)) | 3 |
| Exhaust emissions exceed manufacturer`s specified limit |8.2.2.2 |a|| | 3 |
| Rear fog lamp not working |4.5.1 |a| |ii|| | 3 |
| Nearside Rear Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 3 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 3 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 3 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 3 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 3 |
| Horn not working |7.7 |a| |ii|| | 2 |
| Brake pedal anti-slip provision missing |1.1.2 |c|| | 2 |
| Offside Front Side repeater not working (4.4.1 (a) (ii)) | 2 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 2 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 2 |
| Anti-lock braking system warning lamp indicates an ABS fault | 2 |
| Offside Rear Rear position lamp|s| not working |1.1.A.3b| | 2 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 2 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 2 |
| Nearside Headlamp cleaning device for LED or HID headlamp inoperative (4.1.6 (a) (ii)) | 2 |
| Exhaust emissions test not completed because smoke levels are significantly in excess of the specified limit values (8.2.2.2 (f)) | 2 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 2 |
| Trailer electrical socket (13 pin) not operating the trailer lamps as intended (4.10 (c) (i)) | 2 |
| Nearside Front Steering rack has excessive free play detected at the steering wheel (steering rack fitted) (2.3 (a) (i)) | 2 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 2 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 2 |
| Brake performance not tested (1.2.1 (g)) | 2 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 2 |