| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 83 |
| Headlamp aim out of alignment | 70 |
| Windscreen wiper does not clear the windscreen effectively | 59 |
| Brake pipe excessively corroded | 40 |
| Parking brake: efficiency below requirements |3.7.B.7| | 25 |
| Brakes imbalanced across an axle | 18 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 14 |
| Nearside Stop lamp not working |1.2.1b| | 13 |
| Registration plate issues | 11 |
| Offside Stop lamp not working |1.2.1b| | 11 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 11 |
| Windscreen has damage | 10 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 8 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 8 |
| Nearside Rear Stop lamp not working |1.2.1b| | 8 |
| Front brake disc in such a condition that it is seriously weakened | 8 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 7 |
| Rear parking brake recording little or no effort | 7 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 7 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 6 |
| Nearside Side repeater not working |1.4.A.2c| | 6 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 6 |
| Offside Headlamp aim beam image kick up to the offside |1.8| | 5 |
| Anti-lock braking system warning lamp indicates an ABS fault | 5 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 5 |
| Nearside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 5 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 5 |
| Offside Rear Stop lamp not working |1.2.1b| | 5 |
| Centre Stop lamp not working |1.2.1b| | 5 |
| Offside Rear fog lamp not working |1.3.2b| | 4 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 4 |
| Horn not working |1.6.2a| | 4 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 4 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 4 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 4 |
| Service brake: efficiency below requirements |3.7.B.7| | 4 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 4 |
| Parking brake lever has no reserve travel |3.1.6b| | 4 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 4 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 4 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 4 |
| Nearside Headlamp aim beam image kick up to the offside |1.8| | 4 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 4 |
| Rear brake disc in such a condition that it is seriously weakened | 4 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 4 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 4 |
| Rear fog lamp tell tale not working |1.3.1b| | 3 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 3 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 3 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 3 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 3 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 3 |
| Windscreen washer not working | 3 |
| Rear fog lamp not working |1.3.2b| | 3 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 3 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 3 |
| Offside Front Position lamp not working |4.2.1 |a|| | 3 |
| Exhaust emits an excessive level of metered smoke |7.4.B.3a| | 3 |
| Centre Rear Stop lamp not working |1.2.1b| | 3 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 3 |
| Nearside Rear brake disc contaminated by oil |3.5.1h| | 3 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 3 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 3 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 3 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 3 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 3 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 3 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 2 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 2 |
| Nearside Front Headlamp aim beam image kick up to the offside |1.8| | 2 |
| Offside Rear Bumper damaged and likely to cause injury when grazed or contacted (6.1.4 (a) (i)) | 2 |
| Exhaust emissions exceed default limit of 1.5m-1 (8.2.2.2 (b)) | 2 |
| Offside Front Upper Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 2 |
| Fuel cap/sealing device missing |7.2.4a| | 2 |
| Hazard warning switch faulty |1.4.B.1d| | 2 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 2 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 2 |
| Nearside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 2 |
| Nearside Front Lower Seat belt anchorage prescribed area strength or continuity significantly reduced (7.1.1 (a) (i)) | 2 |
| Offside Front Lower Seat belt anchorage prescribed area strength or continuity significantly reduced (7.1.1 (a) (i)) | 2 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 2 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 2 |
| Offside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 2 |
| Engine MIL inoperative or indicates a malfunction |8.2.2.2 |g|| | 2 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 2 |
| Offside Position lamp not working (4.2.1 (a) (ii)) | 2 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 2 |
| Exhaust emissions exceed level of metered smoke for a turbo charged engine (8.2.2.2 (b)) | 2 |
| Nearside Front Anti-roll bar ball joint excessively worn (5.3.4 (a) (i)) | 2 |
| Offside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 2 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 2 |
| Offside Front Suspension arm pin or bush excessively worn |5.3.4 |a| |i|| | 2 |
| Nearside Front coil spring broken |2.4.C.1a| | 2 |
| Offside Front coil spring broken |2.4.C.1a| | 2 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 2 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 2 |
| Central Stop lamp(s) not working (4.3.1 (a) (ii)) | 2 |
| Nearside Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 2 |
| Brake pedal anti-slip provision incomplete |3.3.A.1b| | 2 |
| Nearside Front Shock absorbers has a serious fluid leak | 2 |
| Front brake excessively fluctuating | 2 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 2 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 2 |
| Battery insecure and likely to cause a short circuit (4.13 (a) (ii)) | 2 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 2 |
| Offside Side repeater not working |1.4.A.2c| | 2 |
| All position lamps not working |1.1.A.3b| | 2 |
| Stop lamp not working |1.2.1b| | 2 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 2 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 2 |
| Offside Front Inner Prop shaft joint constant velocity boot no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 2 |
| Offside Windscreen washer jets misaligned and not providing sufficient fluid to the windscreen (3.5 (a)) | 2 |
| Nearside Obligatory mirror missing (3.3 (a)) | 2 |
| Nearside Rear Bumper damaged and likely to cause injury when grazed or contacted (6.1.4 (a) (i)) | 2 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 2 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 2 |
| Brake pedal anti-slip provision worn smooth |3.3.A.1b| | 2 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Front Front position lamp|s| not working |1.1.A.3b| | 2 |
| Nearside Rear Position lamp not working |4.2.1 |a|| | 2 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 2 |
| Offside Front Inner Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 2 |
| Nearside Headlamp aim projected beam image is obviously incorrect |4.1.2 |c|| | 2 |
| Oil leaking excessively from engine |8.4.1 |a| |i|| | 2 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 2 |
| Offside Rear brake disc contaminated by oil |3.5.1h| | 2 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 2 |
| Offside Brake cable damaged CORRODED AND BROKEN (1.1.15 (a)) | 2 |
| Nearside Front Suspension arm pin or bush excessively worn |5.3.4 |a| |i|| | 2 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 2 |
| Nearside Brake pipe excessively damaged front to rear |1.1.11 |c|| | 2 |