| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 516 |
| Windscreen wiper does not clear the windscreen effectively | 216 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 160 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 132 |
| Registration plate lamp issues | 111 |
| Parking brake: efficiency below requirements |3.7.B.7| | 111 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 98 |
| Nearside Front Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 96 |
| Offside Front Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 76 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 75 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 75 |
| Front brake disc in such a condition that it is seriously weakened | 65 |
| Rear parking brake recording little or no effort | 64 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 60 |
| Brakes imbalanced across an axle | 58 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 55 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 52 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 48 |
| Registration plate issues | 47 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 46 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 42 |
| Rear Exhaust system not adequately supported |7.1.1| | 42 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 41 |
| Brake hose excessively deteriorated | 39 |
| Rear brake binding | 38 |
| Brake pipe excessively corroded | 38 |
| Parking brake lever has no reserve travel |3.1.6b| | 34 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 34 |
| Anti-lock braking system warning lamp indicates an ABS fault | 33 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 32 |
| Horn not working |1.6.2a| | 31 |
| Nearside Front Upper Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 30 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 29 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 25 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 25 |
| Windscreen washer not working | 24 |
| Emissions not tested |7.0| | 22 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 22 |
| Exhaust system not adequately supported |7.1.1| | 20 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 20 |
| Battery insecure |1.9.1| | 20 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 20 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 19 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 19 |
| Nearside Stop lamp not working |1.2.1b| | 18 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 18 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 17 |
| Rear brake disc in such a condition that it is seriously weakened | 17 |
| Rear fog lamp not working |1.3.2b| | 16 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 16 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 15 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 15 |
| Offside Stop lamp not working |1.2.1b| | 14 |
| Offside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 14 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 14 |
| Offside Side repeater insecure |1.4.A.2b| | 14 |
| Front brake excessively fluctuating | 14 |
| Windscreen has damage | 13 |
| Offside Rear fog lamp not working |1.3.2b| | 13 |
| Offside Front Upper Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 13 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 12 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 12 |
| Nearside Side repeater insecure |1.4.A.2b| | 12 |
| Nearside Front Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 11 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 10 |
| Nearside Side repeater incorrect colour |1.4.A.2f| | 10 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 10 |
| Nearside Headlamp not working on main beam |1.7.5a| | 10 |
| Nearside Front Upper Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 10 |
| Front position lamp|s| not working |1.1.A.3b| | 10 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 10 |
| Offside Side repeater incorrect colour (4.4.3 (a)) | 9 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 9 |
| Offside Front Upper Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 9 |
| Nearside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 9 |
| Front Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 8 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 8 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 8 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 8 |
| Nearside Rear Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 8 |
| Brake hose damaged | 8 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 8 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 8 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 7 |
| Centre Rear Seat belt retracting mechanism defective |5.2.5b| | 7 |
| Centre Rear Exhaust has a major leak of exhaust gases |7.1.2| | 7 |
| Horn not working (7.7 (a)) | 7 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits |8.2.1.2 |b|| | 7 |
| Offside Rear Macpherson strut has excessive movement at the upper attachment |2.5.A.1c| | 7 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 7 |
| Offside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 7 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 7 |
| Nearside Front Upper Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 7 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 7 |
| Power steering component|s| leaking |2.3.3b| | 7 |