| Most common failures | No# failures |
|---|
| Brakes imbalanced across an axle | 36 |
| Parking brake: efficiency below requirements |3.7.B.7| | 13 |
| Service brake: efficiency below requirements |3.7.B.7| | 11 |
| Front brake application uneven | 10 |
| Rear brake application uneven | 9 |
| Nearside Stop lamp not working |1.2.1b| | 8 |
| Offside Stop lamp not working |1.2.1b| | 7 |
| Headlamp aim out of alignment | 6 |
| Windscreen wiper does not clear the windscreen effectively | 6 |
| Registration plate lamp issues | 5 |
| Nearside Front Steering rack gaiter split |2.2.D.2d| | 5 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 5 |
| Rear parking brake recording little or no effort | 5 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 5 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 4 |
| Fuel system component leaking |7.2.3| | 4 |
| Nearside front brake binding |3.7.B.1| | 4 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 4 |
| Rear brake binding | 4 |
| Offside Steering rack gaiter split |2.2.D.2d| | 3 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 3 |
| Brake hose excessively deteriorated | 3 |
| Brake pedal spongy |3.3.B.1b| | 3 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 3 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 3 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 3 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 3 |
| Nearside Windscreen wiper not operating automatically when switched on |8.2.1b| | 3 |
| Horn not working |1.6.2a| | 3 |
| Offside front brake binding |3.7.B.1| | 3 |
| Nearside Headlamp not working on main beam |1.7.5a| | 3 |
| Brake pipe excessively corroded | 3 |
| Offside Rear Braking system leaking |3.6.A.1| | 3 |
| Offside Front Direction indicator not working |1.4.A.2c| | 3 |
| Fuel pipe union leaking |7.2.3| | 2 |
| front brakes release unevenly |3.7.B.4| | 2 |
| Nearside Rear Braking system leaking |3.6.A.1| | 2 |
| Nearside Front front brake binding |3.7.B.1| | 2 |
| Offside Front Steering rack gaiter split |2.2.D.2d| | 2 |
| rear brakes release unevenly |3.7.B.4| | 2 |
| Nearside Rear Wheel nut|s| loose |4.2.A.1e| | 2 |
| Offside Windscreen wiper not operating automatically when switched on |8.2.1b| | 2 |
| Rear Fuel system component leaking |7.2.3| | 2 |
| Headlamp not working on dipped beam |1.7.5a| | 2 |
| Nearside Front All position lamps not working |1.1.A.3b| | 2 |
| Nearside front brake recording little or no effort |3.7.B.5a| | 2 |
| Service brake: efficiency below requirements |3.7.C.1a| | 2 |
| Rear Stop lamp not working |1.2.1b| | 2 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 2 |
| Braking system leaking |3.6.A.1| | 2 |
| Offside front brake recording little or no effort |3.7.B.5a| | 2 |
| Fluid leak harmful to the environment or a risk to other road users fuel leaking from rear carb |8.4.1 |a| |i|| | 2 |
| Nearside Front Steering linkage ball joint modification unsafe track rod lock nut loose |2.1.3 |f| |i|| | 2 |
| Offside Front Steering linkage ball joint modification unsafe track rod lock nut loose |2.1.3 |f| |i|| | 2 |
| Hydraulic fluid leaking continuously posing a serious risk to road safety brake fluid is leaking from rear T piece |8.4.1 |a| |ii|| | 2 |
| Offside Headlamp not working on main beam |1.7.5a| | 2 |
| Direction indicators not working |1.4.A.2c| | 2 |
| Rear Stop lamp missing |1.2.1a| | 2 |
| Nearside Front Indicator tell tale inoperative |1.4.A.2a| | 1 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Offside Front Brake hose excessively damaged |3.6.B.4d| | 1 |
| Offside Front Direction indicators not working |1.4.A.2c| | 1 |
| Offside Rear Direction indicators not working |1.4.A.2c| | 1 |
| Brake hose bulging under pressure |3.6.B.3| | 1 |
| Nearside Windscreen wiper blade missing |3.4 |b| |ii|| | 1 |
| Nearside Front Shock absorber insecure |2.7.2b| | 1 |
| Offside Rear Fuel system component leaking |7.2.3| | 1 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Nearside Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Offside Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Offside front brake grabbing severely |3.7.A.2b| | 1 |
| Offside Rear Leaf spring longitudinally displaced |2.4.B.1d| | 1 |
| Front Horn not working |1.6.2a| | 1 |
| Front Headlamp switch faulty |1.7.1| | 1 |
| Fuel system component leaking around fuel pump (6.1.3 (b) (i)) | 1 |
| Steering column top bearing excessively worn |2.1.2c| | 1 |
| Windscreen wiper not operating automatically when switched on |8.2.1b| | 1 |
| Nearside Parking brake |secondary| brakes imbalanced |3.7.B.6b| | 1 |
| Nearside Parking brake efficiency below requirements |3.7.B.7| | 1 |
| Nearside Trikes, quads or pre-68 vehicles, service brake imbalanced across an axle |3.7.B.5b| | 1 |
| Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Offside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Nearside Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Offside Headlamp not working on main beam |4.1.1 |a| |ii|| | 1 |
| Windscreen wiper not working |3.4 |a|| | 1 |
| Nearside Front front brake recording little or no effort |3.7.B.5a| | 1 |
| Electrical wiring inadequately supported |1.9.2a| | 1 |
| Rear Brake performance not tested |3.7.A.1| | 1 |
| Offside Rear Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Offside Rear front brake binding |3.7.B.1| | 1 |
| Stop lamp remains on when the brakes are released | 1 |
| Nearside Windscreen wiper blade missing |8.2.2| | 1 |
| Steering column flexible coupling retaining device missing |2.1.6| | 1 |
| Steering column shaft retaining device missing |2.1.6| | 1 |
| Nearside Front Service brake grabbing severely |3.7.C.2| | 1 |
| Stop lamp not working |1.2.1b| | 1 |
| Offside Rear Brake cable has restricted free movement |3.5.1k| | 1 |
| Nearside Rear Brake pipe leaking |3.6.A.1| | 1 |
| Offside Front Driver`s door cannot be opened from outside the vehicle |6.2.B.1b| | 1 |
| Steering rack gaiter split |2.2.D.2d| | 1 |
| Driver`s seat insecure |6.2.A.1| | 1 |
| Front Service brake is causing the vehicle to swerve to the offside |3.7.C.2| | 1 |
| Offside Windscreen wiper not operating over a large enough area to give an adequate view |8.2.1c| | 1 |
| Offside Front front brake binding |3.7.B.1| | 1 |
| Rear Exhaust system not adequately supported |7.1.1| | 1 |
| Service brake is causing the steering wheel to severely pull one way |3.7.C.2| | 1 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 1 |
| Rear Brake hose bulging under pressure |3.6.B.3| | 1 |
| Offside Front suspension locking device missing |2.5.A.4| | 1 |
| Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Offside Front wheel bearing rough when rotated |2.5.A.2| | 1 |
| Centre Exhaust system not adequately supported |7.1.1| | 1 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 1 |
| Headlamp not working on main beam |1.7.5a| | 1 |
| Nearside Rear All position lamps not working |1.1.A.3b| | 1 |
| Offside Rear All position lamps not working |1.1.A.3b| | 1 |
| Nearside Rear reflector missing |1.5.1a| | 1 |
| Offside Rear reflector missing |1.5.1a| | 1 |
| Offside Front Wheel fitment excessively worn between the wheel and hub spigot mounting |4.2.B.5| | 1 |
| Rear reflector missing |1.5.1a| | 1 |
| Offside Rear Hydraulic brake cylinder leaking hydraulic fluid |3.6.A.1| | 1 |
| Horn not working |7.7 |a| |ii|| | 1 |
| Offside Direction indicators not working |1.4.A.2c| | 1 |
| Nearside Service brake is causing the steering wheel to severely pull one way |3.7.C.2| | 1 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 1 |
| Fuel system component insecure |7.2.1| | 1 |
| Nearside Front Braking system leaking |3.6.A.1| | 1 |
| Front Wheel insecure |4.2.A.1c| | 1 |
| Brake pipe inadequately supported |3.6.B.1| | 1 |
| Fuel tank leaking |7.2.3| | 1 |
| Offside Front All position lamps not working |1.1.A.3b| | 1 |
| Nearside Rear All position lamps adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Offside Rear All position lamps adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Nearside Brake pedal spongy |3.3.B.1b| | 1 |
| Offside Brake pedal spongy |3.3.B.1b| | 1 |
| Rear Mechanical brake component has restricted free movement | 1 |
| Offside Front Shock absorber insecure |2.7.2b| | 1 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 1 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 1 |
| Offside rear brake excessively fluctuating |3.7.B.3| | 1 |
| Nearside Front Front suspension has excessive movement at a wishbone pin or bush |2.5.A.1c| | 1 |
| Indicator tell tale inoperative |1.4.A.2a| | 1 |
| Stop lamp excessively damaged so that it is not visible from a reasonable distance |1.2.1d| | 1 |
| Driver`s door cannot be opened from outside the vehicle |6.2.B.1b| | 1 |
| Nearside Rear Stop lamp not working |1.2.1b| | 1 |
| Offside Rear Stop lamp not working |1.2.1b| | 1 |
| Brake performance not tested |3.7.A.1| | 1 |
| Parking brake lever releases when knocked |3.1.6a| | 1 |
| Offside Front Wheel nut|s| loose |4.2.A.1e| | 1 |
| Rear Fuel hose leaking |7.2.3| | 1 |
| Rear Fuel tank leaking |7.2.3| | 1 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Nearside Front Shock absorber has negligible damping effect |2.7.5| | 1 |
| Rear Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Front Road wheel distorted |4.2.A.1a| | 1 |
| Nearside Direction indicators not working |1.4.A.2c| | 1 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 1 |
| Nearside Rear Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Front Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Offside Braking system leaking |3.6.A.1| | 1 |
| All position lamps not working |1.1.A.3b| | 1 |
| Exhaust system not adequately supported |7.1.1| | 1 |
| Exhaust emits clearly visible black smoke during acceleration |7.3.A.2c| | 1 |
| Wheel insecure |4.2.A.1c| | 1 |
| Front Brake pipe leaking |3.6.A.1| | 1 |
| Steering rack insecure |2.2.B.1a| | 1 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 1 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 1 |