| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 56 |
| Windscreen wiper does not clear the windscreen effectively | 51 |
| Service brake: efficiency below requirements |3.7.B.7| | 31 |
| Registration plate lamp issues | 30 |
| Parking brake: efficiency below requirements |3.7.B.7| | 30 |
| Brakes imbalanced across an axle | 20 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 17 |
| Rear brake binding | 16 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 16 |
| Brake pipe excessively corroded | 14 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 8 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 7 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 7 |
| Registration plate issues | 7 |
| Brake load sensing valve linkage seized |3.6.E.3| | 6 |
| Brake load sensing valve seized |3.6.E.3| | 5 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 5 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 5 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 5 |
| Horn not working |1.6.2a| | 5 |
| Nearside Stop lamp not working |1.2.1b| | 4 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 4 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 4 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 4 |
| Rear parking brake recording little or no effort | 4 |
| Rear fog lamp not working |1.3.2b| | 4 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 4 |
| Offside Stop lamp not working |1.2.1b| | 4 |
| Brake hose excessively deteriorated | 4 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 4 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 4 |
| Nearside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 3 |
| Brake hose damaged | 3 |
| Offside Rear Stop lamp not working |1.2.1b| | 3 |
| Nearside Rear Rear position lamp|s| not working |1.1.A.3b| | 3 |
| Horn not working (7.7 (a) (ii)) | 3 |
| Horn not working (7.7 (a)) | 3 |
| Rear brake application uneven | 3 |
| Nearside Front Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Service brake efficiency below requirements |1.2.2 |a| |i|| | 3 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 3 |
| Nearside Front Upper Outline marker lamp not working (4.2.1 (a) (ii)) | 3 |
| Parking brake lever has no reserve travel |3.1.6b| | 3 |
| Offside Front Direction indicator incorrect colour (4.4.3 (a)) | 3 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 3 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 3 |
| Nearside Front Direction indicator incorrect colour (4.4.3 (a)) | 3 |
| Anti-lock braking system warning lamp indicates an ABS fault | 3 |
| Offside Front Suspension component mounting prescribed area excessively corroded significantly reducing structural strength (5.3.6 (a) (i)) | 3 |
| Nearside Front front brake binding |3.7.B.1| | 3 |
| Offside Front Outline marker lamp not working (4.2.1 (a) (ii)) | 3 |
| Front brake application uneven | 3 |
| Nearside front brake binding |3.7.B.1| | 2 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 2 |
| Offside Rear fog lamp not working |4.5.1 |a| |ii|| | 2 |
| Nearside Rear Brake cable has wires broken and is significantly weakened |3.5.1b| | 2 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 2 |
| Offside Front Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Brake pedal has insufficient reserve travel (1.1.2 (a)) | 2 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 2 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 2 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 2 |
| Offside Front Upper Outline marker lamp not working (4.2.1 (a) (ii)) | 2 |
| Stop lamp(s) all not working (4.3.1 (a) (iii)) | 2 |
| Offside Front Suspension component mounting prescribed area excessively corroded significantly reducing structural strength jacking point area (5.3.6 (a) (i)) | 2 |
| Exhaust has a major leak of exhaust gases front pipe (6.1.2 (a)) | 2 |
| Emissions not tested (8.2.2.2 (e)) | 2 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 2 |
| Nearside Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 2 |
| Nearside Front Inner Subframe mounting prescribed area is excessively corroded wing |2.4.A.3| | 2 |
| Nearside Front Front wheel bearing rough when rotated |2.5.A.2| | 2 |
| Nearside Front Suspension component mounting prescribed area excessively corroded significantly reducing structural strength (5.3.6 (a) (i)) | 2 |
| Offside Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 2 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 2 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 2 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 2 |
| Nearside Rear Stop lamp not working |1.2.1b| | 2 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 2 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 2 |
| Nearside Front Upper Front position lamp|s| not working |1.1.A.3b| | 2 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 2 |
| Offside Front Upper Front position lamp|s| not working |1.1.A.3b| | 2 |
| Offside Rear fog lamp not working |1.3.2b| | 2 |
| Offside front brake binding |3.7.B.1| | 2 |
| Nearside Front Shock absorbers has a serious fluid leak | 2 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 2 |
| Fuel system component leaking |7.2.3| | 2 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 2 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 2 |
| Offside Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 2 |