| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 16 |
| Headlamp aim out of alignment | 14 |
| Brake pipe excessively corroded | 10 |
| Registration plate lamp issues | 9 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 7 |
| Parking brake: efficiency below requirements |3.7.B.7| | 4 |
| Brakes imbalanced across an axle | 3 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 3 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 2 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 2 |
| Offside Stop lamp not working |1.2.1b| | 2 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 2 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 2 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 2 |
| Registration plate issues | 2 |
| Offside Front Suspension arm pin or bush excessively worn rear bush (5.3.4 (a) (i)) | 1 |
| Offside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Power steering pipe/hose excessively corroded (2.1.5 (g) (i)) | 1 |
| Nearside Rear Lower Leaf spring shackle pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Offside Rear Lower Leaf spring shackle pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Service brake: efficiency below requirements |3.7.B.7| | 1 |
| Nearside Parking brake inoperative on one side low effort (1.4.1 (a)) | 1 |
| Offside Parking brake inoperative on one side low effort (1.4.1 (a)) | 1 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 1 |
| Exhaust emissions exceed default limit of 1.5m-1 (8.2.2.2 (b)) | 1 |
| Brake pedal anti-slip provision missing (1.1.2 (c)) | 1 |
| Brake pedal has insufficient reserve travel (1.1.2 (a)) | 1 |
| Offside Rear Brake pipe leaking on a hydraulic braking system (1.1.11 (b) (ii)) | 1 |
| Brake performance not tested due to leaking brake pipe (1.2.1 (g)) | 1 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 1 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Reversing lamp inoperative (4.6.1 (a)) | 1 |
| Front Service brake excessively fluctuating both (1.2.1 (e)) | 1 |
| Offside Rear Service brake excessively fluctuating (1.2.1 (e)) | 1 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 1 |
| Front Service brake excessively fluctuating (1.2.1 (e)) | 1 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 1 |
| Oil leaking excessively from engine |8.4.1 |a| |i|| | 1 |
| Nearside Side repeater not working |1.4.A.2c| | 1 |
| Offside Side repeater not working |1.4.A.2c| | 1 |
| Direction indicators flashing more than 120 times a minute |1.4.A.2g| | 1 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Windscreen washer jets misaligned and not providing sufficient fluid to the windscreen Both (3.5 (a)) | 1 |
| Nearside Side repeater insecure |1.4.A.2b| | 1 |
| Offside Side repeater insecure |1.4.A.2b| | 1 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 1 |
| Nearside Fuel hose excessively damaged |7.2.2| | 1 |
| Nearside Front Upper Suspension component ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Side repeater missing nearside and offside |4.4.1 |a| |ii|| | 1 |
| Service brake excessively binding nearside and offside front |1.2.1 |f|| | 1 |
| Offside Front Anti-roll bar linkage pin or bush excessively worn displaced |5.3.4 |a| |i|| | 1 |
| Rear Exhaust system insecure (6.1.2 (a)) | 1 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Offside Rear Stop lamp(s) not working poor connection, rectified during test (4.3.1 (a) (ii)) | 1 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 1 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 1 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 1 |
| Rear Parking brake inoperative on one side both (1.4.1 (a)) | 1 |
| Nearside Outline marker lamp not working (4.2.1 (a) (ii)) | 1 |
| Engine MIL inoperative or indicates a malfunction |8.2.2.2 |g|| | 1 |
| Offside Front Brake pipe connection leaking on a hydraulic braking system |1.1.11 |b| |ii|| | 1 |
| Nearside Outline marker lamp not working x3 |4.2.1 |a|| | 1 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 1 |
| Brake performance not tested |1.2.1 |g|| | 1 |
| Nearside Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Nearside Stop lamp not working |1.2.1b| | 1 |
| Exhaust has a major leak of exhaust gases From tailpipe |7.1.2| | 1 |
| Nearside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Offside Front Lower Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 1 |
| Trailer electrical socket |13 pin| not operating the trailer lamps as intended |1.9.4| | 1 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Offside Rear All direction indicators incorrect colour (4.4.3 (a)) | 1 |