| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 962 |
| Headlamp aim out of alignment | 900 |
| Windscreen wiper does not clear the windscreen effectively | 780 |
| Brake pipe excessively corroded | 550 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 358 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 327 |
| Parking brake: efficiency below requirements |3.7.B.7| | 312 |
| Registration plate issues | 304 |
| Rear parking brake recording little or no effort | 202 |
| Nearside Headlamp not working on main beam |1.7.5a| | 190 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 176 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 165 |
| Parking brake lever has no reserve travel |3.1.6b| | 151 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 135 |
| Brakes imbalanced across an axle | 114 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 104 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 94 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 93 |
| Offside Rear fog lamp not working |1.3.2b| | 93 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 90 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 88 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 83 |
| Centre Rear Seat belt retracting mechanism defective |5.2.5b| | 74 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 71 |
| Windscreen has damage | 71 |
| Nearside Stop lamp not working |1.2.1b| | 68 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 67 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 63 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 62 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 61 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 57 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 52 |
| Rear brake disc in such a condition that it is seriously weakened | 52 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 52 |
| Offside Stop lamp not working |1.2.1b| | 50 |
| Nearside Rear Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 45 |
| Offside Front Sub-frame rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 45 |
| Offside Side repeater incorrect colour |1.4.A.2f| | 44 |
| Front brake disc in such a condition that it is seriously weakened | 42 |
| Rear fog lamp not working |1.3.2b| | 42 |
| Centre Exhaust mounting missing |7.1.1b| | 42 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 41 |
| Offside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 41 |
| Offside Rear Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 41 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 41 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 40 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 39 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 39 |
| Nearside Rear Lower Suspension arm has excessive play in a pin/bush |2.4.G.2| | 38 |
| Offside Rear coil spring broken |2.4.C.1a| | 37 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 37 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 37 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 37 |
| Anti-lock braking system warning lamp indicates an ABS fault | 35 |
| Nearside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 34 |
| Nearside Front Sub-frame rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 34 |
| Nearside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 34 |
| Main beam `tell-tale` not working |1.7.4c| | 34 |
| Windscreen wiper blade insecure | 32 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 32 |
| Nearside Front Wheel bolt|s| missing |4.2.A.1e| | 32 |
| Nearside Side repeater incorrect colour |1.4.A.2f| | 31 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 31 |
| Centre Rear Seat belt locking mechanism does not secure or release |5.2.5a| | 30 |
| Centre Exhaust system not adequately supported |7.1.1| | 30 |
| Rear Exhaust system not adequately supported |7.1.1| | 29 |
| Offside Rear Lower Suspension arm has excessive play in a pin/bush |2.4.G.2| | 29 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 28 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 28 |
| Front brake application uneven | 27 |
| Rear brake binding | 26 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 26 |
| Exhaust system not adequately supported |7.1.1| | 26 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 26 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 26 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 26 |
| Nearside Front Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 25 |
| Brake hose excessively deteriorated | 25 |
| Fuel cap/sealing device does not fasten securely maintaining the sealing arrangement |7.2.4b| | 24 |
| Offside Front Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 23 |
| Nearside Headlamp not working on main beam (4.1.1 (a) (ii)) | 23 |
| Offside Side repeater not working |1.4.A.2c| | 23 |
| Offside Headlamp has a product on the lens so that the light output is severely reduced |1.7.5a| | 23 |
| Nearside Side repeater not working |1.4.A.2c| | 23 |
| Nearside Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 22 |
| Nearside Rear coil spring broken |2.4.C.1a| | 22 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 22 |
| Nearside Headlamp has a product on the lens so that the light output is severely reduced |1.7.5a| | 22 |
| Nearside Rear Trailing arm has excessive play in a pin/bush |2.4.G.2| | 22 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 22 |
| Nearside Rear Stop lamp not working |1.2.1b| | 20 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 20 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 20 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 20 |
| Offside Rear Suspension arm has excessive play in a pin/bush |2.4.G.2| | 20 |
| Exhaust mounting missing |7.1.1b| | 20 |
| Offside Rear Trailing arm has excessive play in a pin/bush |2.4.G.2| | 20 |
| Nearside Front Sub-frame has excessive play in a pin/bush |2.4.G.2| | 20 |
| Horn not working |1.6.2a| | 19 |
| Nearside Rear Wheel bolt|s| missing |4.2.A.1e| | 19 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 19 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 19 |
| Emissions not tested |7.0| | 19 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 19 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 19 |
| Nearside Front Headlamp has a product on the lens so that the light output is severely reduced |1.7.5a| | 19 |
| Offside Front Wheel bolt|s| missing |4.2.A.1e| | 19 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 19 |
| Nearside Rear Suspension arm has excessive play in a pin/bush |2.4.G.2| | 18 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 18 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 18 |
| Offside Front Sub-frame has excessive play in a pin/bush |2.4.G.2| | 18 |