| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 333 |
| Headlamp aim out of alignment | 258 |
| Brake pipe excessively corroded | 231 |
| Registration plate lamp issues | 127 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 95 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 91 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 81 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 78 |
| Registration plate issues | 71 |
| Offside Front coil spring broken |2.4.C.1a| | 70 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 66 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 66 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 65 |
| Nearside Front coil spring broken |2.4.C.1a| | 61 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 57 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 49 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 49 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 47 |
| Brakes imbalanced across an axle | 45 |
| Offside Stop lamp not working |1.2.1b| | 40 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 35 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 35 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 35 |
| Parking brake: efficiency below requirements |3.7.B.7| | 35 |
| Anti-lock braking system warning lamp indicates an ABS fault | 34 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 33 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 32 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 32 |
| Offside Rear coil spring broken |2.4.C.1a| | 31 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 30 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 29 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 27 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 27 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 27 |
| Horn not working (7.7 (a)) | 27 |
| Nearside Stop lamp not working |1.2.1b| | 27 |
| Rear parking brake recording little or no effort | 26 |
| Rear brake binding | 26 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 26 |
| Rear brake disc in such a condition that it is seriously weakened | 25 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 25 |
| Front brake disc in such a condition that it is seriously weakened | 25 |
| Offside Front Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 24 |
| Nearside Front Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 23 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 23 |
| Offside Front Coil spring fractured or broken |5.3.1 |b| |i|| | 23 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 22 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 21 |
| Offside Front Position lamp not working |4.2.1 |a|| | 21 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 20 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 20 |
| Offside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 20 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 20 |
| Windscreen washer not working | 19 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 19 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 19 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 18 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 18 |
| Nearside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 18 |
| Nearside Rear Coil spring fractured or broken |5.3.1 |b| |i|| | 18 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 18 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 18 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 18 |
| Offside Rear Stop lamp not working |1.2.1b| | 17 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 17 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 17 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 16 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 16 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 16 |
| Offside Rear Coil spring fractured or broken |5.3.1 |b| |i|| | 15 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 15 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 14 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 14 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 14 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 14 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 14 |
| Nearside Rear coil spring broken |2.4.C.1a| | 14 |
| Offside Front Sub-frame pin or bush excessively worn (5.3.4 (a) (i)) | 13 |
| Horn not working (7.7 (a) (ii)) | 13 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 13 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 13 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 12 |
| Offside Front Lower Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 12 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 12 |
| Central Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 12 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 12 |
| Parking brake lever has no reserve travel |3.1.6b| | 12 |
| Nearside Rear Stop lamp not working |1.2.1b| | 11 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 11 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 11 |
| Offside Front Suspension arm pin or bush excessively worn rear bush (5.3.4 (a) (i)) | 11 |
| Rear brake application uneven | 11 |
| Nearside Front Coil spring fractured or broken |5.3.1 |b| |i|| | 11 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 10 |
| Emissions not tested (8.2.1.2 (d)) | 10 |
| Nearside Front Suspension arm pin or bush excessively worn rear bush (5.3.4 (a) (i)) | 10 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 10 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 9 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 9 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 9 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 9 |
| Offside Rear fog lamp not working |1.3.2b| | 8 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 8 |
| Nearside Front Lower Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 8 |
| Rear Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 8 |
| Windscreen has damage | 8 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 8 |
| Nearside Parking brake inoperative on one side |1.4.1 |a|| | 8 |
| Exhaust emissions likely to be affected by an exhaust leak (8.2.1.1 (b)) | 8 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 7 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 7 |
| Emissions unable to be completed (8.2.1.2 (d)) | 7 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 7 |
| Offside Front Anti-roll bar ball joint excessively worn (5.3.4 (a) (i)) | 7 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 7 |
| Offside Parking brake inoperative on one side |1.4.1 |a|| | 7 |
| Offside Front Sub-frame pin or bush excessively worn rear bush (5.3.4 (a) (i)) | 7 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 7 |