| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 237 |
| Headlamp aim out of alignment | 227 |
| Windscreen wiper does not clear the windscreen effectively | 156 |
| Brake pipe excessively corroded | 150 |
| Registration plate issues | 89 |
| Parking brake: efficiency below requirements |3.7.B.7| | 67 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 63 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 54 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 45 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 42 |
| Rear parking brake recording little or no effort | 42 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 39 |
| Parking brake lever has no reserve travel |3.1.6b| | 34 |
| Brake hose excessively deteriorated | 33 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 30 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 29 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 29 |
| Nearside Stop lamp not working |1.2.1b| | 26 |
| Nearside Headlamp not working on main beam |1.7.5a| | 26 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 24 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 23 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 22 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 22 |
| Brakes imbalanced across an axle | 22 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 21 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 19 |
| Horn not working |1.6.2a| | 17 |
| Direction indicators incorrect colour |1.4.A.2f| | 17 |
| Rear Exhaust system not adequately supported |7.1.1| | 16 |
| Offside Stop lamp not working |1.2.1b| | 16 |
| Nearside Rear Direction indicators incorrect colour |1.4.A.2f| | 13 |
| Offside Rear fog lamp not working |1.3.2b| | 13 |
| Nearside Rear Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 13 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 13 |
| Windscreen has damage | 12 |
| Front brake disc in such a condition that it is seriously weakened | 12 |
| Nearside Rear Lower Suspension arm has excessive play in a pin/bush |2.4.G.2| | 12 |
| Nearside Rear Stop lamp not working |1.2.1b| | 12 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 11 |
| Rear brake binding | 11 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 11 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 11 |
| Emissions not tested |7.0| | 10 |
| Offside Rear brake disc excessively pitted |3.5.1h| | 10 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 10 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 10 |
| Service brake: efficiency below requirements |3.7.B.7| | 10 |
| Offside Rear Lower Suspension arm has excessive play in a pin/bush |2.4.G.2| | 10 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 9 |
| Nearside Front Direction indicators incorrect colour |1.4.A.2f| | 9 |
| Offside Front Direction indicators incorrect colour |1.4.A.2f| | 9 |
| Offside Rear Direction indicators incorrect colour |1.4.A.2f| | 9 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 9 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 9 |
| Nearside Front Windscreen wiper blade deteriorated |8.2.2| | 9 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 8 |
| Offside Rear Stop lamp not working |1.2.1b| | 8 |
| Offside Rear Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 8 |
| Nearside Rear brake disc excessively pitted |3.5.1h| | 8 |
| Fuel system component leaking |7.2.3| | 8 |
| Nearside Front Anti-roll bar linkage ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 8 |
| Centre Stop lamp emits other than a steady red light |1.2.1e| | 8 |
| Nearside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 8 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 7 |
| Driver`s seat insecure |6.2.A.1| | 7 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 7 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 7 |
| Nearside Side repeater not working |1.4.A.2c| | 7 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 7 |
| Rear Direction indicator incorrect colour |1.4.A.2f| | 6 |
| Windscreen wiper blade insecure | 6 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 6 |
| Front Front position lamp|s| not working |1.1.A.3b| | 6 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 6 |
| Rear brake disc in such a condition that it is seriously weakened | 6 |
| Front brake application uneven | 6 |
| Nearside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 6 |
| Nearside Front Anti-roll bar linkage ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 6 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 5 |
| Anti-lock braking system warning lamp indicates an ABS fault | 5 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 5 |
| Offside Front Windscreen wiper blade deteriorated |8.2.2| | 5 |
| Offside Front Anti-roll bar linkage ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 5 |
| Nearside Front Headlamp not working on main beam |1.7.5a| | 5 |
| Rear fog lamp not working |1.3.2b| | 5 |
| Windscreen wiper blade deteriorated |8.2.2| | 5 |
| Offside Front Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 4 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 4 |
| Front Direction indicators incorrect colour |1.4.A.2f| | 4 |
| Rear Direction indicators incorrect colour |1.4.A.2f| | 4 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 4 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 4 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 4 |
| Direction indicator incorrect colour |1.4.A.2f| | 4 |
| Rear Exhaust mounting missing |7.1.1b| | 4 |
| Offside Rear Trailing arm has excessive play in a pin/bush |2.4.G.2| | 4 |
| Exhaust system not adequately supported |7.1.1| | 4 |
| Offside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 4 |
| Offside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 4 |
| Nearside Front Anti-roll bar linkage has excessive play in a pin/bush |2.4.G.2| | 4 |
| Offside Front brake disc excessively pitted |3.5.1h| | 4 |
| Offside Side repeater not working |1.4.A.2c| | 4 |
| Centre Rear Stop lamp emits other than a steady red light |1.2.1e| | 4 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 4 |
| Offside Obligatory mirror insecure |8.1.1| | 4 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 4 |
| Nearside Headlamp aim beam image kick up to the offside |1.8| | 4 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 4 |
| Centre Rear Seat belt locking mechanism does not secure or release |5.2.5a| | 4 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 4 |
| Offside Front Anti-roll bar has excessive play in a ball joint |2.4.G.2| | 4 |
| Power steering pipe|s| or hose|s| leaking |2.3.3b| | 4 |
| Exhaust mounting missing |7.1.1b| | 4 |
| Offside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 4 |
| Nearside Rear Wheel bolt|s| missing |4.2.A.1e| | 4 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 4 |
| Offside Front Anti-roll bar linkage ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 4 |