| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 55 |
| Windscreen wiper does not clear the windscreen effectively | 31 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 31 |
| Rear brake binding | 30 |
| Registration plate lamp issues | 29 |
| Exhaust emits an excessive level of metered smoke |7.4.B.3a| | 26 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 25 |
| Nearside Rear coil spring broken |2.4.C.1a| | 24 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 23 |
| Brakes imbalanced across an axle | 21 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 19 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 18 |
| Offside Rear coil spring broken |2.4.C.1a| | 15 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 10 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 10 |
| Front brake application uneven | 9 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 9 |
| Offside Stop lamp not working |1.2.1b| | 9 |
| Nearside Rear Coil spring fractured or broken |5.3.1 |b| |i|| | 8 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 8 |
| Registration plate issues | 8 |
| Nearside Front Upper Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 7 |
| Front brake disc in such a condition that it is seriously weakened | 7 |
| Offside Rear Coil spring fractured or broken |5.3.1 |b| |i|| | 7 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 7 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 7 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 7 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 7 |
| Windscreen washer not working | 6 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 6 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 6 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 6 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 6 |
| Parking brake: efficiency below requirements |3.7.B.7| | 6 |
| Rear parking brake recording little or no effort | 6 |
| Brake pipe excessively corroded | 6 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 6 |
| Nearside Stop lamp not working |1.2.1b| | 6 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 6 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 6 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 5 |
| Exhaust emissions exceed default limit of 1.5m-1 (8.2.2.2 (b)) | 5 |
| Offside Front Position lamp not working |4.2.1 |a|| | 5 |
| Rear brake disc in such a condition that it is seriously weakened | 5 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 5 |
| Front brake excessively fluctuating | 5 |
| Exhaust particulate filter missing where one was fitted as standard |7.1.3| | 5 |
| Offside Front coil spring broken |2.4.C.1a| | 4 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 4 |
| Nearside Front Coil spring fractured or broken |5.3.1 |b| |i|| | 4 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 4 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 4 |
| Exhaust emissions exceed manufacturer`s specified limit |8.2.2.2 |a|| | 4 |
| Parking brake lever has no reserve travel |3.1.6b| | 4 |
| Nearside Front coil spring broken |2.4.C.1a| | 4 |
| Nearside Side repeater incorrect colour (4.4.3 (a)) | 4 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 4 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 4 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Rear Mechanical brake component has restricted free movement | 3 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 3 |
| Offside Rear Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 3 |
| Exhaust emits excessive smoke or vapour likely to obscure the vision of other road users |8.2.2.2 |c|| | 3 |
| Emissions unable to be completed (8.2.2.2 (e)) | 3 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 3 |
| Exhaust emissions exceed default limit of 1.5m-1 |8.2.2.2 |b|| | 3 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 3 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 3 |
| Exhaust on a vehicle fitted with a diesel particulate filter emits visible smoke of any colour (8.2.2.2 (d)) | 3 |
| Offside Side repeater incorrect colour (4.4.3 (a)) | 3 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 3 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 3 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 3 |
| Rear brake application uneven | 3 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 2 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Windscreen has damage | 2 |
| Offside Windscreen washer jets misaligned and not providing sufficient fluid to the windscreen (3.5 (a)) | 2 |
| Driver`s seat insecure |6.2.A.1| | 2 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 2 |
| Offside Rear Stop lamp not working |1.2.1b| | 2 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 2 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 2 |
| Power steering malfunctioning (2.1.5 (a)) | 2 |
| Nearside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 2 |
| Offside Front All position lamps not working |1.1.A.3b| | 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 Rear Service brake excessively binding |1.2.1 |f|| | 2 |
| Emissions not tested |7.4.B.1| | 2 |
| Nearside Front Front wheel bearing rough when rotated |2.5.A.2| | 2 |
| Exhaust emissions exceed manufacturers specified limit plate value 0.51 (8.2.2.2 (a)) | 2 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 2 |
| rear parking |secondary| brakes imbalanced | 2 |
| Offside front brake juddering severely |3.7.A.2b| | 2 |
| Exhaust emits excessive smoke or vapour likely to obscure the vision of other road users (8.2.2.2 (c)) | 2 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 2 |
| Nearside Rear Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 2 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 2 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 2 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 2 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 2 |
| Nearside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 2 |
| Offside Front Side repeater incorrect colour (4.4.3 (a)) | 2 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Offside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 2 |
| Offside Front Service brake lagging in operation (1.2.1 (d)) | 2 |
| Horn not working |1.6.2a| | 2 |
| Nearside Rear Anti-roll bar ball joint excessively worn (5.3.4 (a) (i)) | 2 |
| Fuel system component leaking fuel filter (6.1.3 (b) (i)) | 2 |