| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 346 |
| Headlamp aim out of alignment | 185 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 85 |
| Windscreen wiper does not clear the windscreen effectively | 79 |
| Registration plate issues | 75 |
| Anti-lock braking system warning lamp indicates an ABS fault | 68 |
| Registration plate lamp issues | 65 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 28 |
| Parking brake: efficiency below requirements |3.7.B.7| | 28 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 25 |
| Brake hose excessively deteriorated | 24 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 23 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 23 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 19 |
| Parking brake lever has no reserve travel |3.1.6b| | 19 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 18 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 18 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 17 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 17 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 17 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 16 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 15 |
| Windscreen has damage | 14 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 14 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 14 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 14 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 13 |
| Nearside Rear Lower Suspension arm has excessive play in a pin/bush |2.4.G.2| | 13 |
| Rear parking brake recording little or no effort | 13 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 12 |
| Rear brake disc in such a condition that it is seriously weakened | 12 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 12 |
| Nearside Headlamp cleaning device inoperative |1.7.2| | 11 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 11 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 11 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 11 |
| Nearside Rear Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 11 |
| Offside Headlamp cleaning device inoperative |1.7.2| | 10 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 10 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 10 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 10 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 9 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 9 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 9 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 8 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 8 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 7 |
| Nearside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 7 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 7 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 7 |
| Parking brake: efficiency below requirements |3.7.D.4| | 6 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 6 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 6 |
| Offside Rear Lower Suspension arm has excessive play in a pin/bush |2.4.G.2| | 6 |
| Nearside Drag link end ball joint has excessive play |2.2.B.1f| | 6 |
| Battery insecure |1.9.1| | 6 |
| Offside Front Drag link end ball joint has excessive play |2.2.B.1f| | 6 |
| Nearside Side repeater not working |1.4.A.2c| | 6 |
| Service brake: efficiency below requirements |3.7.C.1a| | 6 |
| Nearside Rear Suspension arm has excessive play in a pin/bush |2.4.G.2| | 6 |
| Offside Rear Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 6 |
| Nearside Rear Suspension arm has excessive play in a ball joint |2.4.G.2| | 6 |
| Offside Rear Suspension arm has excessive play in a pin/bush |2.4.G.2| | 6 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 6 |
| Air suspension has no suspension movement |2.4.D.5| | 6 |
| Windscreen washer not working | 6 |
| Offside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 6 |
| Oil leaking excessively from engine |8.4.1 |a| |i|| | 5 |
| Steering column will not lock in a fixed position |adjustable type| |2.1.2a| | 5 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 5 |
| Service brake: efficiency below requirements |3.7.B.7| | 5 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 5 |
| Offside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 5 |
| Nearside Rear Tie bar/rod has excessive play in a ball joint |2.4.G.2| | 5 |
| Offside Front Position lamp not working |4.2.1 |a|| | 5 |
| Nearside Front Drag link end ball joint has excessive play |2.2.B.1f| | 5 |
| Rear brake binding | 5 |
| Offside Rear brake disc contaminated by oil |3.5.1h| | 5 |
| Offside Drag link end ball joint has excessive play |2.2.B.1f| | 5 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 5 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 5 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 5 |
| Emissions not tested |7.0| | 5 |
| Horn not working |1.6.2a| | 5 |
| Nearside Front Wheel nut|s| missing |4.2.A.1e| | 5 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits |8.2.1.2 |b|| | 5 |
| Offside Front Direction indicator not working |1.4.A.2c| | 5 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 5 |
| Fuel cap/sealing device ineffective (6.1.3 (b) (i)) | 5 |
| Oil leaking excessively from engine (8.4.1 (a) (i)) | 5 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 5 |
| Nearside Headlamp insecure |1.7.3| | 4 |
| Rear fog lamp tell tale not working |1.3.1b| | 4 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 4 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 4 |
| Nearside Rear Exhaust has a major leak of exhaust gases |7.1.2| | 4 |
| Brake hydraulic reservoir fluid level below minimum level |3.6.G.1b| | 4 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 4 |
| Brake fluid warning lamp illuminated |3.6.G.2| | 4 |
| Rear Direction indicator incorrect colour |1.4.A.2f| | 4 |
| Offside Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 4 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 4 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 4 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 4 |
| Nearside Stop lamp not working |1.2.1b| | 4 |
| Brakes imbalanced across an axle | 4 |
| Centre Rear Seat belt locking mechanism does not secure or release |5.2.5a| | 4 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 4 |
| Offside Rear Upper Suspension arm has excessive play in a ball joint |2.4.G.2| | 4 |
| Brake hose has insufficient room to move | 4 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 4 |
| Nearside Rear Lower Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 4 |
| Offside Front Lower Suspension component ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 4 |
| Emissions not tested (8.2.1.2 (d)) | 4 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 4 |