| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 7 |
| Brake pipe excessively corroded | 4 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 3 |
| Nearside Stop lamp not working |1.2.1b| | 3 |
| Windscreen wiper does not clear the windscreen effectively | 3 |
| Rear brake disc in such a condition that it is seriously weakened | 2 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 2 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 2 |
| Registration plate lamp issues | 2 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 2 |
| Rear Exhaust system not adequately supported |7.1.1| | 2 |
| Service brake: efficiency below requirements |3.7.B.7| | 2 |
| Parking brake: efficiency below requirements |3.7.B.7| | 2 |
| Front brake excessively fluctuating | 2 |
| Registration plate issues | 2 |
| Rear Exhaust system insecure mounting |6.1.2 |a|| | 1 |
| Rear Reversing lamp inoperative |4.6.1 |a|| | 1 |
| All direction indicators adversely affected by the operation of another lamp |4.4.3 |b|| | 1 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 1 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 1 |
| Offside Rear Position lamp not working |4.2.1 |a|| | 1 |
| Nearside Rear Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Rear Rear position lamp|s| not working BRAKE LIGHT |1.1.A.3b| | 1 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 1 |
| Passenger compartment passenger compartment in such a condition that it permits the entry of exhaust fumes (6.2.1 (c) (i)) | 1 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 1 |
| Exhaust emissions test not completed because smoke levels are significantly in excess of the specified limit values (8.2.2.2 (f)) | 1 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 1 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 1 |
| Service brake efficiency below requirements |1.2.2 |a| |i|| | 1 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 1 |
| Nearside rear brake excessively fluctuating |3.7.B.3| | 1 |
| Offside rear brake excessively fluctuating |3.7.B.3| | 1 |
| Rear fog lamp obviously incorrectly positioned |1.3.2a| | 1 |
| Offside Rear Outline marker lamp not working (4.2.1 (a) (ii)) | 1 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 1 |
| Rear parking brake recording little or no effort | 1 |
| Rear brake application uneven | 1 |
| Nearside Rear Stop lamp not working |1.2.1b| | 1 |
| Brakes imbalanced across an axle | 1 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 1 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Exhaust system not adequately supported |7.1.1| | 1 |
| Nearside Front Upper Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Nearside Position lamp not working Central Markers x2 (4.2.1 (a) (ii)) | 1 |
| Offside Rear Electrical wiring insecure |1.9.2a| | 1 |
| Reversing lamp does not emit a steady white light |4.6.2 |a|| | 1 |
| Central Rear Exhaust system insecure |6.1.2 |a|| | 1 |
| Nearside Rear Outline marker lamp not working |4.2.1 |a|| | 1 |
| Offside Rear Outline marker lamp not working |4.2.1 |a|| | 1 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |