| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 222 |
| Brake pipe excessively corroded | 128 |
| Windscreen wiper does not clear the windscreen effectively | 95 |
| Parking brake: efficiency below requirements |3.7.B.7| | 81 |
| Registration plate issues | 63 |
| Rear parking brake recording little or no effort | 35 |
| Brakes imbalanced across an axle | 34 |
| Horn not working |1.6.2a| | 33 |
| Registration plate lamp issues | 33 |
| Front brake disc in such a condition that it is seriously weakened | 27 |
| Anti-lock braking system warning lamp indicates an ABS fault | 23 |
| Offside Rear Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 18 |
| Brake hose excessively deteriorated | 17 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 16 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 16 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 15 |
| Offside Rear Exhaust has a major leak of exhaust gases |7.1.2| | 14 |
| Nearside Side repeater not working |1.4.A.2c| | 14 |
| Exhaust emissions hydrocarbon content excessive |7.3.B.1b| | 14 |
| Offside Front Brake hose bulging under pressure |3.6.B.3| | 14 |
| Nearside Front Brake hose bulging under pressure |3.6.B.3| | 14 |
| Rear brake binding | 13 |
| Hazard warning switch faulty |1.4.B.1d| | 12 |
| Offside Side repeater not working |1.4.A.2c| | 12 |
| Centre Exhaust system not adequately supported |7.1.1| | 12 |
| Front Windscreen wiper not operating automatically when switched on |8.2.1b| | 12 |
| Service brake: efficiency below requirements |3.7.B.7| | 12 |
| Steering box has relative movement between sector shaft and the drop arm |2.2.B.1b| | 11 |
| Nearside Rear Exhaust has a major leak of exhaust gases |7.1.2| | 10 |
| Exhaust emissions carbon monoxide content excessive |7.3.B.1a| | 10 |
| Windscreen washer not working | 10 |
| 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| | 10 |
| Offside Front brake disc excessively pitted |3.5.1h| | 9 |
| Nearside Rear Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 9 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 9 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 9 |
| Offside Rear fog lamp not working |1.3.2b| | 9 |
| Brake pedal creeps down when held under pressure |3.3.B.1a| | 9 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 9 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 8 |
| 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| | 8 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 8 |
| Offside Front Direction indicator not working |1.4.A.2c| | 8 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 8 |
| Steering system has excessive free play detected at the steering wheel |steering box fitted| |2.2.A.1a| | 8 |
| Brake pedal spongy |3.3.B.1b| | 8 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 7 |
| Nearside Front Shock absorber has negligible damping effect |2.7.5| | 7 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 7 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 7 |
| Offside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 7 |
| Driver`s seat fore and aft adjustment mechanism not functioning as intended. |6.2.A.3| | 7 |
| Front Exhaust system not adequately supported |7.1.1| | 7 |
| Offside Windscreen wiper not operating automatically when switched on |8.2.1b| | 7 |
| Brake performance not tested |3.7.A.1| | 7 |
| Nearside front brake binding |3.7.B.1| | 7 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 6 |
| Offside Front Shock absorber has negligible damping effect |2.7.5| | 6 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 6 |
| Offside Front Side repeater not working |1.4.A.2c| | 6 |
| Rear brake disc in such a condition that it is seriously weakened | 6 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 6 |
| Nearside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 6 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 6 |
| Offside Side repeater missing |1.4.A.2b| | 6 |
| Nearside Front Exhaust system not adequately supported |7.1.1| | 6 |
| Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 6 |
| Direction indicators not working |1.4.A.2c| | 6 |
| Emissions not tested |7.0| | 6 |
| Power steering pipe|s| or hose|s| leaking |2.3.3b| | 6 |
| Nearside Windscreen wiper not operating automatically when switched on |8.2.1b| | 6 |
| Offside front brake binding |3.7.B.1| | 6 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 6 |
| Windscreen has damage | 6 |
| Front brake application uneven | 6 |
| Brake pedal creeps down while the pedal is held under pressure |3.3.B.1a| | 6 |
| Front brake disc excessively pitted |3.5.1h| | 5 |
| Exhaust system not adequately supported |7.1.1| | 5 |
| Windscreen wiper not operating automatically when switched on |8.2.1b| | 5 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 5 |
| Nearside Front Side repeater not working |1.4.A.2c| | 5 |
| Offside Stop lamp not working |1.2.1b| | 5 |
| Nearside Side repeater missing |1.4.A.2b| | 5 |
| Nearside Steering arm has relative movement at its fixings |2.2.B.1h| | 5 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 5 |
| Offside Front front brake binding |3.7.B.1| | 5 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 5 |
| Nearside Headlamp aim beam image kick up to the offside |1.8| | 5 |
| Nearside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 5 |
| Offside Rear Fuel pipe leaking |7.2.3| | 5 |
| 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| | 5 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 5 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 5 |
| Nearside Rear Stop lamp not working |1.2.1b| | 5 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 5 |
| Offside Rear Shock absorber has negligible damping effect |2.7.5| | 4 |
| Nearside Headlamp excessively damaged so that the light output is severely reduced |1.7.5a| | 4 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 4 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 4 |
| Offside Rear Stop lamp not working |1.2.1b| | 4 |
| Nearside Front Brake hose leaking |3.6.A.1| | 4 |
| Offside Front Headlamp not working on main beam |1.7.5a| | 4 |
| Anti-lock braking system warning lamp does not illuminate |3.4.1b| | 4 |
| Offside Headlamp aim beam image kick up to the offside |1.8| | 4 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 4 |
| Offside Rear Upper Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 4 |
| Offside Indicator tell tale inoperative |1.4.A.2a| | 4 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 4 |
| Nearside Front front brake binding |3.7.B.1| | 4 |
| Hazard warning lamps not flashing in phase, with ignition off |1.4.B.1f| | 4 |
| Offside Rear Suspension arm has excessive play in a pin/bush |2.4.G.2| | 4 |
| Nearside Stop lamp not working |1.2.1b| | 4 |
| Nearside Rear Suspension arm has excessive play in a pin/bush |2.4.G.2| | 4 |
| Offside Front Windscreen wiper not operating automatically when switched on |8.2.1b| | 4 |
| Offside Headlamp excessively damaged so that the light output is severely reduced |1.7.5a| | 3 |
| Offside Headlamp not working on main beam |1.7.5a| | 3 |
| Offside Inner Track rod end ball joint has excessive play |2.2.B.1f| | 3 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 3 |
| Nearside Rear Exhaust system not adequately supported |7.1.1| | 3 |
| Nearside Front Direction indicators not working |1.4.A.2c| | 3 |
| Nearside Front Steering pivot point has excessive play |2.2.B.1g| | 3 |
| Offside Front Headlamp aim beam image kick up to the offside |1.8| | 3 |
| Offside Front Brake hose leaking |3.6.A.1| | 3 |
| Offside Front Steering arm has relative movement at its fixings |2.2.B.1h| | 3 |
| Battery insecure |1.9.1| | 3 |
| Windscreen wiper blade insecure | 3 |
| Nearside Rear Lower Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Offside Rear Lower Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Nearside Front Road wheel bead rim badly distorted |4.2.A.1a| | 3 |
| Nearside Rear Brake hose bulging under pressure |3.6.B.3| | 3 |
| Offside Rear Brake hose bulging under pressure |3.6.B.3| | 3 |
| Offside Rear Position lamp not working |4.2.1 |a|| | 3 |
| Nearside Front Braking system leaking |3.6.A.1| | 3 |
| Nearside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 3 |
| Offside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 3 |
| Hazard warning lamps inoperative |1.4.B.1b| | 3 |
| Nearside Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 3 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 3 |
| Nearside Rear Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Offside Rear Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Parking brake lever has no reserve travel |3.1.6b| | 3 |
| Nearside Front Steering arm has relative movement at its fixings |2.2.B.1h| | 3 |
| Nearside Headlamp not working on main beam |1.7.5a| | 3 |
| Steering column top bearing excessively worn |2.1.2c| | 3 |
| Fuel tank leaking |7.2.3| | 3 |
| Brake pedal has insufficient reserve travel (1.1.2 (a)) | 3 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 3 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 3 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 3 |
| Offside Front Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 3 |
| Offside Rear fog lamp adversely affected by the operation of another lamp |1.3.2f| | 3 |
| 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| | 3 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 3 |
| Nearside Front Windscreen wiper not operating automatically when switched on |8.2.1b| | 3 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 3 |
| Offside Front Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 3 |
| Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 3 |