| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 333 |
| Registration plate lamp issues | 124 |
| Windscreen wiper does not clear the windscreen effectively | 120 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 53 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 47 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 47 |
| Registration plate issues | 45 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 45 |
| Nearside Side repeater not working |1.4.A.2c| | 44 |
| Parking brake: efficiency below requirements |3.7.B.7| | 44 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 39 |
| Brake pipe excessively corroded | 36 |
| Parking brake lever has no reserve travel |3.1.6b| | 35 |
| Offside Stop lamp not working |1.2.1b| | 35 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 33 |
| Nearside Stop lamp not working |1.2.1b| | 32 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 29 |
| Windscreen washer not working | 27 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 27 |
| Offside Side repeater not working |1.4.A.2c| | 27 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 26 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 24 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 23 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 23 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 22 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 21 |
| Offside Rear Stop lamp not working |1.2.1b| | 21 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 21 |
| Nearside Front Side repeater not working |1.4.A.2c| | 20 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 20 |
| Brakes imbalanced across an axle | 19 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 19 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 19 |
| Offside Front Position lamp not working |4.2.1 |a|| | 17 |
| Nearside Rear Stop lamp not working |1.2.1b| | 17 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 16 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 16 |
| Nearside Side repeater not working |4.4.1 |a| |ii|| | 15 |
| Front brake disc in such a condition that it is seriously weakened | 15 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 14 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 13 |
| Offside Side repeater not working |4.4.1 |a| |ii|| | 12 |
| Rear parking brake recording little or no effort | 12 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 12 |
| Offside Front Side repeater not working (4.4.1 (a) (ii)) | 11 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 11 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 11 |
| Rear Exhaust system insecure (6.1.2 (a)) | 11 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 11 |
| Brake pedal anti-slip provision incomplete |3.3.A.1b| | 11 |
| Windscreen has damage | 10 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 10 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 10 |
| Engine MIL inoperative or indicates a malfunction |8.2.2.2 |g|| | 9 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 9 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 9 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 9 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 8 |
| Nearside Front Side repeater not working (4.4.1 (a) (ii)) | 8 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 8 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 8 |
| Anti-lock braking system warning lamp indicates an ABS fault | 8 |
| Offside Rear fog lamp not working |1.3.2b| | 7 |
| Nearside Rear Direction indicator incorrect colour |4.4.3 |a|| | 7 |
| Rear brake binding | 7 |
| Nearside Front Side repeater not working |4.4.1 |a| |ii|| | 7 |
| Nearside Rear Shock absorbers has an excessively worn bush (5.3.2 (c)) | 7 |
| Offside Rear Shock absorbers has an excessively worn bush (5.3.2 (c)) | 7 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 7 |
| Service brake: efficiency below requirements |3.7.B.7| | 7 |
| Offside Rear Direction indicator incorrect colour |4.4.3 |a|| | 7 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 7 |
| Offside Front Side repeater not working |4.4.1 |a| |ii|| | 6 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 6 |
| Rear brake disc in such a condition that it is seriously weakened | 6 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 6 |
| Service brake efficiency below requirements |1.2.2 |a| |i|| | 6 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 6 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 6 |
| Horn not working (7.7 (a) (ii)) | 6 |
| Brake lever has insufficient reserve travel |1.1.2 |a|| | 6 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 6 |
| Brake pedal anti-slip provision worn smooth |3.3.A.1b| | 6 |
| Horn sounds harsh or grating |1.6.2e| | 5 |
| Nearside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 5 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 5 |
| rear parking |secondary| brakes imbalanced | 5 |
| Nearside Front Wheel bolt|s| missing |4.2.A.1e| | 5 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 5 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 5 |
| Offside Headlamp cleaning device inoperative |1.7.2| | 5 |
| Electronic stability system warning lamp indicates a fault |3.4.1c| | 5 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 5 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 5 |