| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 23 |
| Brakes imbalanced across an axle | 17 |
| Exhaust emissions carbon monoxide content excessive |7.3.B.1a| | 13 |
| Parking brake: efficiency below requirements |3.7.B.7| | 12 |
| Rear brake binding | 10 |
| Registration plate issues | 7 |
| Horn not working |1.6.2a| | 6 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 6 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 6 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 5 |
| Nearside Headlamp not working on main beam |1.7.5a| | 5 |
| Rear brake application uneven | 5 |
| Offside Rear fog lamp not working |1.3.2b| | 5 |
| Registration plate lamp issues | 5 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 4 |
| Rear parking brake recording little or no effort | 4 |
| Parking brake lever has no reserve travel |3.1.6b| | 4 |
| Nearside Stop lamp not working |1.2.1b| | 4 |
| Offside Stop lamp not working |1.2.1b| | 4 |
| Rear fog lamp tell tale not working |1.3.1b| | 4 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 3 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 3 |
| Offside Headlamp not working on main beam |1.7.5a| | 3 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 3 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 3 |
| Offside Front Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a| | 3 |
| Offside Rear Direction indicator not working |1.4.A.2c| | 3 |
| Windscreen wiper does not clear the windscreen effectively | 3 |
| Rear fog lamp not working |4.5.1 |a| |ii|| | 3 |
| Service brake: efficiency below requirements |3.7.B.7| | 3 |
| Rear fog lamp not working |1.3.2b| | 3 |
| Offside Headlamp excessively damaged so that the light output is severely reduced |1.7.5a| | 2 |
| Nearside Rear Service brake excessively binding |1.2.1 |f|| | 2 |
| Offside Front Steering component mounting prescribed area is excessively corroded |2.2.C.1h| | 2 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 2 |
| Offside Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 2 |
| Nearside Front Windscreen wiper blade missing |8.2.2| | 2 |
| Nearside Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 2 |
| Parking brake lever releases when knocked |3.1.6a| | 2 |
| Nearside Front Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a| | 2 |
| Brake pipe excessively corroded | 2 |
| Exhaust emissions hydrocarbon content excessive |7.3.B.1b| | 2 |
| Offside Rear fog lamp missing |1.3.2a| | 1 |
| Offside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Parking brake lever is impeded in its travel |3.1.6c| | 1 |
| Nearside Lower Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Offside Front Front position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 1 |
| Nearside Front Wheel insecure |4.2.A.1c| | 1 |
| Offside Front Lower Axle king pin has excessive play in pin and/or bush adversely affecting the steering |2.5.A.3a| | 1 |
| Offside Torsion bar attachment bracket loose |2.4.E.4a| | 1 |
| Centre Stop lamp not working |1.2.1b| | 1 |
| Offside Front Direction indicator not working |1.4.A.2c| | 1 |
| Offside Side repeater not working |1.4.A.2c| | 1 |
| Nearside Rear Hydraulic brake cylinder leaking hydraulic fluid |3.6.A.1| | 1 |
| Nearside Front Ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Offside Front Ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| 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| | 1 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Offside Front Brake hose leaking |3.6.A.1| | 1 |
| Fuel system component leaking |7.2.3| | 1 |
| Parking brake lever ratchet mechanism is excessively worn |3.1.5| | 1 |
| Windscreen wiper blade missing |8.2.2| | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar vehicle fitted with a standard silencer in average condition |7.1.4| | 1 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Offside Front Torque/reaction arm insecure |2.4.G.1| | 1 |
| Nearside Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Nearside Indicator tell tale inoperative |1.4.A.2a| | 1 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 1 |
| Front Windscreen wiper blade missing |8.2.2| | 1 |
| Offside Front Ball joint has excessive play |2.2.B.1f| | 1 |
| Parking brake recording little or no effort |3.7.D.3a| | 1 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 1 |
| Exhaust emissions carbon monoxide content excessive |8.2.1.2 |b|| | 1 |
| Headlamp aim beam image kick up to the offside |1.8| | 1 |
| Hydraulic brake cylinder leaking hydraulic fluid |3.6.A.1| | 1 |
| Nearside Headlamp aim beam image kick up to the offside |1.8| | 1 |
| Offside Headlamp aim beam image kick up to the offside |1.8| | 1 |
| Rear Rear fog lamp not working |1.3.2b| | 1 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Nearside Rear Leaf spring to axle securing nut missing |2.4.B.7b| | 1 |
| Nearside Front brake disc contaminated by grease |3.5.1h| | 1 |
| Offside Front brake disc contaminated by grease |3.5.1h| | 1 |
| Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b| | 1 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 1 |
| Offside Front All position lamps not working |1.1.A.3b| | 1 |
| Offside Rear Service brake lagging in operation (1.2.1 (d)) | 1 |
| Front Exhaust has a major leak of exhaust gases pipe join |7.1.2| | 1 |
| Obligatory mirror insecure |8.1.1| | 1 |
| Nearside Windscreen wiper blade deteriorated |8.2.2| | 1 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 1 |
| Nearside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 1 |
| Nearside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 1 |
| Parking brake lever pawl spring does not push the pawl positively into the ratchet teeth |3.1.5| | 1 |
| Steering column movement between the shaft and steering wheel |2.1.2b| | 1 |
| Front Exhaust system not adequately supported |7.1.1| | 1 |
| Front brake excessively fluctuating | 1 |
| Nearside Front Lower Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Offside Front Lower Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Steering column top bearing excessively worn |2.1.2c| | 1 |
| Steering wheel retaining device insecure |2.1.6| | 1 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 1 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 1 |
| Rear fog lamp switch not operating in accordance with the requirements not illuminating when on (4.5.3 (a)) | 1 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 1 |
| Windscreen wiper not working (3.4 (a)) | 1 |
| Nearside 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)) | 1 |
| Offside 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)) | 1 |
| Nearside Rear Road wheel fixing loose (5.2.1 (a) (i)) | 1 |
| Nearside Front Road wheel fixing loose (5.2.1 (a) (i)) | 1 |
| Offside Front Road wheel fixing loose (5.2.1 (a) (i)) | 1 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 1 |
| Nearside Rear Service brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Offside Rear Service brake effort inadequate at a wheel (1.2.1 (a) (i)) | 1 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 1 |
| Offside Front Drag link end ball joint worn to the extent there is a serious risk of detachment |2.1.3 |b| |ii|| | 1 |
| Oil leaking continuously from engine posing a serious risk to road safety |8.4.1 |a| |ii|| | 1 |
| Nearside Front Service brake excessively binding |1.2.1 |f|| | 1 |
| Offside Front Service brake excessively binding |1.2.1 |f|| | 1 |
| Offside Rear Service brake excessively binding |1.2.1 |f|| | 1 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 1 |
| Offside Rear Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Front Front suspension has excessive movement at a tie bar joint |2.5.A.1c| | 1 |
| Parking brake lever, pawl mechanism pivots or their associated mountings are insecure |3.1.4b| | 1 |
| Offside Front Steering rack gaiter split |2.2.D.2d| | 1 |
| Offside Exhaust system not adequately supported |7.1.1| | 1 |
| Exhaust emissions carbon monoxide content excessive (8.2.1.2 (b)) | 1 |
| Brake pedal anti-slip provision missing (1.1.2 (c)) | 1 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 1 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 1 |
| Steering column top bearing excessively worn (2.2.2 (b)) | 1 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Nearside Front Fluid suspension pipe leaking |2.4.D.2| | 1 |
| Brake fluid warning lamp illuminated |3.6.G.2| | 1 |
| Brake pedal anti-slip provision worn smooth |3.3.A.1b| | 1 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Offside Front Headlamp light intensity severely reduced (4.1.4 (a)) | 1 |
| Windscreen washer not working | 1 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 1 |
| Centre Exhaust system not adequately supported |7.1.1| | 1 |
| Nearside Front Exhaust system not adequately supported |7.1.1| | 1 |
| Nearside front brake binding |3.7.B.1| | 1 |
| Centre Front Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Upper Steering column top bearing excessively worn |2.1.2c| | 1 |
| Offside Front Side repeater not working |1.4.A.2c| | 1 |
| Offside Rear Seat belt locking mechanism does not secure or release |5.2.5a| | 1 |
| Nearside Rear Shock absorber insecure |2.7.2b| | 1 |
| Rear Fuel hose leaking |7.2.3| | 1 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 1 |
| Offside Front suspension locking device ineffective |2.5.A.4| | 1 |
| Offside front brake binding |3.7.B.1| | 1 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 1 |
| Offside Front Front suspension has excessive movement at a wishbone pin or bush |2.5.A.1c| | 1 |
| Exhaust system not adequately supported |7.1.1| | 1 |
| Direction indicators not working |1.4.A.2c| | 1 |
| Hazard warning lamps inoperative |1.4.B.1b| | 1 |
| Nearside Headlamp not in good working order |not working| |1.2.4a| | 1 |
| Offside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Offside Rear Rear fog lamp excessively deteriorated so that it is not visible from a reasonable distance |1.3.2d| | 1 |
| Offside Rear Rear position lamp|s| excessively damaged so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Fuel pipe leaking (6.1.3 (b) (i)) | 1 |
| Offside Obligatory mirror does not provide a view to the rear (3.3 (c)) | 1 |
| Mechanical brake component has restricted free movement | 1 |
| Offside Front Wheel insecure |4.2.A.1c| | 1 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 1 |
| Central Obligatory mirror does not provide a view to the rear |3.3 |c|| | 1 |
| Parking brake lever ratchet mechanism is broken |3.1.5| | 1 |
| Nearside Front Ball joint has excessive play Steering arm |2.2.B.1f| | 1 |
| Hazard warning switch insecure |1.4.B.1d| | 1 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 1 |
| Offside Steering linkage ball joint ball joint dust cover insecure so that it no longer prevents the ingress of dirt |2.1.3 |g| |ii|| | 1 |
| Nearside Steering linkage ball joint ball joint dust cover insecure so that it no longer prevents the ingress of dirt |2.1.3 |g| |ii|| | 1 |
| Offside Front Vehicle structure has excessive corrosion which adversely affects braking or steering |6.1.A.1| | 1 |
| Front brake disc in such a condition that it is seriously weakened | 1 |
| Windscreen has damage | 1 |
| Windscreen wiper blade insecure | 1 |
| Offside Front Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt from drop arm |2.2.C.1c| | 1 |
| Offside Front Outer Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Nearside Front Outer Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Offside Front Outer Track rod end ball joint has excessive play |2.2.B.1f| | 1 |
| Brake performance not tested |3.7.A.1| | 1 |
| Horn not working (7.7 (a)) | 1 |
| Offside Front Lower Shock absorbers insecurely attached nut loose (5.3.2 (a) (i)) | 1 |
| Nearside Front Upper Front suspension retaining device missing |2.5.A.4| | 1 |
| Offside Rear Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Nearside Rear Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Steering column universal joint has excessive play |2.1.5| | 1 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 1 |
| Nearside Front Drag link end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Offside Front Drag link end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Nearside Front Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Offside Front Track rod end ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.2.C.1c| | 1 |
| Nearside Rear Rear position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 1 |
| Offside Front Drag link end ball joint has excessive play |2.1.3 |b| |i|| | 1 |