| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 123 |
| Windscreen wiper does not clear the windscreen effectively | 115 |
| Headlamp aim out of alignment | 96 |
| Registration plate lamp issues | 86 |
| Brakes imbalanced across an axle | 72 |
| Registration plate issues | 70 |
| Offside Rear fog lamp not working |1.3.2b| | 29 |
| Offside Stop lamp not working |1.2.1b| | 27 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 25 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 23 |
| Rear fog lamp not working |1.3.2b| | 19 |
| Offside Rear Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 19 |
| Nearside Rear Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 16 |
| Front brake disc in such a condition that it is seriously weakened | 16 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 15 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 15 |
| Nearside Stop lamp not working |1.2.1b| | 15 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 14 |
| Windscreen washer not working | 14 |
| Offside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 13 |
| Parking brake: efficiency below requirements |3.7.B.7| | 13 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 12 |
| Rear parking brake recording little or no effort | 12 |
| Nearside Rear Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 12 |
| Parking brake lever has no reserve travel |3.1.6b| | 12 |
| Service brake: efficiency below requirements |3.7.B.7| | 12 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 12 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 11 |
| Centre Stop lamp not working |1.2.1b| | 11 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 10 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 10 |
| Front Steering damper leaking oil |2.2.C.1f| | 9 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 9 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 9 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 9 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 9 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 9 |
| Nearside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 8 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 8 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 8 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 8 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 8 |
| Nearside Front Direction indicator not working (4.4.1 (a) (ii)) | 8 |
| Rear brake application uneven | 7 |
| Windscreen has damage | 7 |
| Offside Rear Stop lamp not working |1.2.1b| | 7 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 7 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 7 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 7 |
| Offside Rear Vehicle structure corroded to the extent that the rigidity of the assembly is significantly reduced (6.1.1 (c) (i)) | 6 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 6 |
| Nearside Front Anti-roll bar linkage insecure |2.4.G.1| | 6 |
| Offside Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 6 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 6 |
| Offside Rear Service brake lagging in operation (1.2.1 (d)) | 6 |
| Brake hydraulic reservoir fluid level below minimum level |3.6.G.1b| | 6 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 6 |
| Brake hose excessively deteriorated | 6 |
| Offside Front Anti-roll bar linkage fractured |2.4.G.1| | 5 |
| Steering damper leaking oil |2.2.C.1f| | 5 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 5 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 5 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 5 |
| Rear Exhaust system not adequately supported |7.1.1| | 5 |
| Offside Front Side repeater not working |1.4.A.2c| | 5 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 5 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 5 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 5 |
| Nearside Rear Shock absorbers has a serious fluid leak | 5 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 5 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 5 |
| Horn not working (7.7 (a)) | 5 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 5 |
| Offside Rear Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 4 |
| Rear fog lamp tell tale not working |1.3.1b| | 4 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 4 |
| Nearside Front Anti-roll bar linkage fractured |2.4.G.1| | 4 |
| Hazard warning switch faulty |1.4.B.1d| | 4 |
| Nearside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 4 |
| Offside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 4 |
| Offside Front Anti-roll bar linkage insecure |2.4.G.1| | 4 |
| Rear Brake cable insecure | 4 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 4 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 4 |
| Offside Rear Service brake effort inadequate at a wheel (1.2.1 (a) (i)) | 4 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 4 |
| Central Stop lamp(s) not working (4.3.1 (a) (ii)) | 4 |
| Stop lamp not working |1.2.1b| | 4 |
| Nearside Rear Stop lamp not working |1.2.1b| | 4 |
| Offside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 4 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b)) | 4 |
| Offside Rear Lower Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 4 |
| Nearside Front Direction indicator incorrect colour (4.4.3 (a)) | 4 |
| Offside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength chassis (5.3.6 (a) (i)) | 4 |
| Service brake efficiency less than 50% of the required value (1.2.2 (a) (ii)) | 4 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 4 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 4 |
| Nearside Rear Vehicle structure corroded to the extent that the rigidity of the assembly is significantly reduced (6.1.1 (c) (i)) | 4 |
| Offside Front Outer Drive shaft joint excessively worn (6.1.7 (c) (i)) | 3 |
| Nearside Rear Statutory seat belt missing |5.1.1| | 3 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 3 |
| Nearside Front Vehicle structure corroded to the extent that the rigidity of the assembly is significantly reduced (6.1.1 (c) (i)) | 3 |
| Front Windscreen wiper not operating automatically when switched on |8.2.1b| | 3 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 3 |
| Direction indicators not working |1.4.A.2c| | 3 |
| Windscreen has a sticker or other obstruction encroaching by more than 10mm within zone `A` |8.3.1b| | 3 |
| Nearside Front Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 3 |
| Brake hydraulic reservoir fluid level significantly below minimum level (1.1.10 (d) (ii)) | 3 |
| Nearside Rear Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Offside Rear Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Offside Rear Lower Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 3 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 3 |
| Rear fog lamp not working |4.5.1 |a| |ii|| | 3 |
| Offside Front drive shaft coupling is excessively worn |2.5.C.1c| | 3 |
| Nearside Rear Lower Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i)) | 3 |
| Offside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 3 |
| Offside Drag link end ball joint has excessive play |2.2.B.1f| | 3 |
| Offside Headlamp insecure |1.7.3| | 3 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 3 |
| Offside Headlamp not working on main beam (4.1.1 (a) (ii)) | 3 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Nearside Headlamp not working on main beam (4.1.1 (a) (ii)) | 3 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 3 |
| Brake performance not tested |3.7.A.1| | 3 |
| Service brake: efficiency below requirements |3.7.C.1a| | 3 |
| Offside Side repeater incomplete |1.5.A1b| | 3 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 3 |
| Brake hose damaged | 3 |
| Nearside Rear Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Offside Rear Anti-roll bar rubber mounting deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Rear Hazard warning lamps inoperative |1.4.B.1b| | 3 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 3 |
| Nearside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 3 |
| Offside Front Direction indicator incorrect colour (4.4.3 (a)) | 3 |
| Nearside Front Upper Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 3 |
| Offside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength (5.3.6 (a) (i)) | 3 |
| Offside Front Track rod end ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 3 |
| Offside Rear Anti-roll bar linkage pin or bush excessively worn |5.3.4 |a| |i|| | 3 |
| Nearside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength chassis (5.3.6 (a) (i)) | 3 |
| Nearside Rear Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 3 |
| Offside Rear Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i)) | 3 |
| Offside Rear Rear position lamp|s| not working |1.1.A.3b| | 3 |
| Offside Front Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 3 |
| Nearside Front Upper Suspension component ball joint excessively worn (5.3.4 (a) (i)) | 3 |
| Emissions not tested (8.2.1.2 (d)) | 3 |
| Battery insecure and likely to cause a short circuit (4.13 (a) (ii)) | 3 |
| Nearside Headlamp insecure |1.7.3| | 3 |
| Brake performance not tested (1.2.1 (g)) | 3 |
| Stop lamp(s) all not working (4.3.1 (a) (iii)) | 3 |
| Nearside Rear Service brake effort inadequate at a wheel (1.2.1 (a) (i)) | 3 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 3 |