| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 20 |
| Headlamp aim out of alignment | 18 |
| Registration plate lamp issues | 16 |
| Parking brake: efficiency below requirements |3.7.B.7| | 12 |
| Brakes imbalanced across an axle | 7 |
| Brake pipe excessively corroded | 6 |
| Horn not working |1.6.2a| | 4 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 4 |
| Parking brake lever has no reserve travel |3.1.6b| | 3 |
| Brake hose has insufficient room to move | 3 |
| Nearside Headlamp aim beam image kick up to the offside |1.8| | 3 |
| Nearside Stop lamp not working |1.2.1b| | 3 |
| Brake hose excessively deteriorated | 3 |
| Rear brake disc in such a condition that it is seriously weakened | 2 |
| Rear parking brake recording little or no effort | 2 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 2 |
| Rear Exhaust system not adequately supported |7.1.1| | 2 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 2 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 2 |
| Offside Headlamp aim beam image kick up to the offside |1.8| | 2 |
| Service brake: efficiency below requirements |3.7.B.7| | 2 |
| Offside Front Brake hose bulging under pressure |3.6.B.3| | 2 |
| Windscreen has damage | 2 |
| Front brake disc in such a condition that it is seriously weakened | 2 |
| Horn not working (7.7 (a)) | 2 |
| Offside Rear fog lamp not working |1.3.2b| | 2 |
| Battery insecure |1.9.1| | 2 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 2 |
| Rear fog lamp tell-tale not working (4.9.1 (a) (ii)) | 1 |
| Nearside Front Road wheel fixing missing (5.2.1 (a) (i)) | 1 |
| Nearside Front Road wheel more than one fixing loose (5.2.1 (a) (ii)) | 1 |
| Nearside Rear rear brake recording little or no effort |3.7.B.5a| | 1 |
| Nearside Rear reflector missing |1.5.1a| | 1 |
| Offside Rear reflector missing |1.5.1a| | 1 |
| Nearside Rear Braking system leaking brake chamber |3.6.A.1| | 1 |
| Offside Rear Braking system leaking brake chamber |3.6.A.1| | 1 |
| Direction indicators adversely affected by the operation of another lamp |1.4.A.2h| | 1 |
| Headlamp not working on dipped beam |1.7.5a| | 1 |
| Headlamp not working on main beam |1.7.5a| | 1 |
| Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Stop lamp not working |1.2.1b| | 1 |
| Rear fog lamp not working |1.3.2b| | 1 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 1 |
| Nearside Front Shock absorbers has an excessively worn bush (5.3.2 (c)) | 1 |
| Offside Front Shock absorbers has an excessively worn bush (5.3.2 (c)) | 1 |
| Parking brake: efficiency below requirements |3.7.C.1b| | 1 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 1 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 1 |
| Nearside Rear Direction indicator not working |4.4.1 |a| |ii|| | 1 |
| Nearside Brake pipe leaking on a hydraulic braking system front to rear (1.1.11 (b) (ii)) | 1 |
| Brake performance not tested due to pipe leaking (1.2.1 (g)) | 1 |
| Nearside Front Anti-roll bar attachment bracket/mounting insecure |2.4.G.1| | 1 |
| Nearside Rear Air suspension unit totally deflated |2.4.D.1a| | 1 |
| Nearside Front Brake pipe leaking to hose |3.6.A.1| | 1 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 1 |
| Nearside Front Drivers door cannot be opened from outside the vehicle (6.2.3 (a)) | 1 |
| Nearside Front Anti-roll bar insecurely attached Bracket for wrap round bush broken/missing. (5.3.3 (a) (i)) | 1 |
| Nearside Headlamp aim projected beam image is obviously incorrect Kick up to the right. (4.1.2 (c)) | 1 |
| Offside Headlamp aim projected beam image is obviously incorrect Kick up to the right (4.1.2 (c)) | 1 |
| Brake load sensing valve seized but ABS functioning (1.1.17 (c) (i)) | 1 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 1 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 1 |
| Offside Rear Shock absorbers damaged to the extent that it does not function (5.3.2 (b)) | 1 |
| Nearside Headlamp aim projected beam image is obviously incorrect Beam "Kicks up" to right (4.1.2 (c)) | 1 |
| Offside Headlamp aim projected beam image is obviously incorrect Beam "kicks up" to right (4.1.2 (c)) | 1 |
| Brake linkage has abnormal movement of levers indicating maladjustment |3.5.1f| | 1 |
| Nearside Rear Shock absorber has an excessively worn bush |2.7.4| | 1 |
| Offside Rear Shock absorber has an excessively worn bush |2.7.4| | 1 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 1 |
| Nearside Side repeater not working |1.4.A.2c| | 1 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 1 |
| Offside Steering rack gaiter split |2.2.D.2d| | 1 |
| Windscreen has a sticker or other obstruction encroaching by more than 10mm within zone `A` |8.3.1b| | 1 |
| Offside Front Wheel nut|s| loose |4.2.A.1e| | 1 |
| Front Drag link end ball joint has excessive play |2.2.B.1f| | 1 |
| Front Drag link end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 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 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Front Brake hose bulging under pressure |3.6.B.3| | 1 |
| Front passenger seat insecure |6.2.3| | 1 |
| Nearside Rear Air brake cylinder/actuator leaking (1.1.16 (b) (i)) | 1 |
| Emissions unable to be completed (8.2.2.2 (e)) | 1 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Nearside Front Outline marker lamp not working (4.2.1 (a) (ii)) | 1 |
| Offside Front Outline marker lamp not working (4.2.1 (a) (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 |
| Offside Outline marker lamp not working (4.2.1 (a) (ii)) | 1 |
| Offside Front Position lamp not working |4.2.1 |a|| | 1 |
| Nearside All outline marker lamps not working |4.2.1 |a|| | 1 |
| Service brake is causing the vehicle to swerve to the nearside |1.2.1 |b| |i|| | 1 |
| Offside Front Air brake cylinder/actuator damaged and braking performance affected |1.1.16 |a| |ii|| | 1 |
| Offside Front Service brake excessively binding |1.2.1 |f|| | 1 |
| Driver`s seat fore and aft adjustment mechanism not functioning as intended. |6.2.A.3| | 1 |
| Offside Rear Braking system leaking |3.6.A.1| | 1 |
| Nearside All position lamps not working marker lamps |1.1.A.3b| | 1 |
| Offside Front Leaf spring fractured |2.4.B.1a| | 1 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Offside Headlamp light intensity severely reduced (4.1.4 (a)) | 1 |
| Offside Front Vehicle structure corroded to the extent that the rigidity of the assembly is significantly reduced O/S/F CHASSIS CORRODED BY TOWBAR (6.1.1 (c) (i)) | 1 |
| Nearside Headlamp not working on main beam |1.7.5a| | 1 |
| Offside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Trailer electrical socket damaged so that lead cannot be securely connected Unable to test due to obstruction |1.9.3b| | 1 |
| Offside Rear Lower Loading door cannot be secured in the closed position |6.4.1| | 1 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 1 |
| Brake pipe leaking on a hydraulic braking system (1.1.11 (b) (ii)) | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Nearside Outer Vehicle structure corroded to the extent that the rigidity of the assembly is significantly reduced |6.1.1 |c| |i|| | 1 |
| Offside Outer Vehicle structure corroded to the extent that the rigidity of the assembly is significantly reduced |6.1.1 |c| |i|| | 1 |
| Brake pedal anti-slip provision worn smooth |3.3.A.1b| | 1 |
| Brake load sensing valve linkage defective and function impaired |3.6.E.3| | 1 |
| Offside Rear Leaf spring to axle securing nut insecure |2.4.B.7b| | 1 |
| Rear Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 1 |
| Nearside Front Service brake grabbing severely |3.7.C.2| | 1 |
| Offside Inner Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Brake load sensing valve seized |3.6.E.3| | 1 |
| Front brake application uneven | 1 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 1 |
| Front Anti-roll bar has excessive play in a pin/bush |2.4.G.2| | 1 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 1 |
| Suspension spring mounting prescribed area is excessively corroded nearside rear spring front and rear mounts |2.4.A.3| | 1 |
| Nearside Front Lower Seat belt anchorage loose bolts loose (7.1.1 (b)) | 1 |
| Offside Front Lower Seat belt anchorage loose bolt loose (7.1.1 (b)) | 1 |
| Brake load sensing valve linkage defective and function impaired (1.1.17 (a)) | 1 |
| Offside Rear Brake hose bulging under pressure (1.1.12 (d)) | 1 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 1 |
| Offside Headlamp levelling device inoperative (4.1.5 (a)) | 1 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Nearside Headlamp aim unable to be tested bulb not working (4.1.2 (b)) | 1 |
| Nearside Headlamp insecure dip |1.7.3| | 1 |
| Direction indicators flashing more than 120 times a minute |1.4.A.2g| | 1 |
| Spare wheel insecure |6.4.2| | 1 |
| Nearside Headlamp levelling device inoperative |4.1.5 |a|| | 1 |
| Offside Headlamp levelling device inoperative |4.1.5 |a|| | 1 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 1 |
| Offside Front Headlamp excessively damaged so that the light output is severely reduced |1.7.5a| | 1 |
| Brake pedal spongy |3.3.B.1b| | 1 |
| Hazard warning lamps inoperative |1.4.B.1b| | 1 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 1 |
| Nearside Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Nearside Front Brake hose excessively twisted (1.1.12 (b) (ii)) | 1 |
| Exhaust system insecure tail pipe (6.1.2 (a)) | 1 |
| Brake load sensing valve linkage defective and function impaired loose (1.1.17 (a)) | 1 |
| Nearside Fuel hose insecure securing clip missing and hose not fully supported (6.1.3 (a) (i)) | 1 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 1 |
| Brake load sensing valve seized and ABS not fitted or inoperative (1.1.17 (c) (ii)) | 1 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 1 |
| Nearside Rear Position lamp not working |4.2.1 |a|| | 1 |
| Offside Rear Position lamp not working |4.2.1 |a|| | 1 |
| Service brake efficiency below requirements |1.2.2 |a| |i|| | 1 |
| Front passenger door cannot be opened from inside the vehicle |6.2.B.1b| | 1 |
| Offside Fuel cap/sealing device missing |7.2.4a| | 1 |
| Nearside Front Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Front Fuel pipe leaking |7.2.3| | 1 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 1 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 1 |
| Emissions not tested |7.0| | 1 |
| Offside Rear Lower Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Rear Upper Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Offside Front Direction indicator not working |1.4.A.2c| | 1 |
| Offside Rear fog lamp emits a light other than red |1.3.2e| | 1 |
| Horn control missing |1.6.1| | 1 |
| Windscreen wiper blade insecure | 1 |
| 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 Rear Seat belt retracting mechanism defective |5.1.B.6b| | 1 |
| Front Seat belt locking mechanism does not secure or release |5.2.5a| | 1 |
| Offside Rear Seat belt retracting mechanism defective |5.2.5b| | 1 |
| Nearside Front Seat belt stitching badly frayed |5.2.2b| | 1 |
| Rear Brake cable has wires broken and is significantly weakened |3.5.1b| | 1 |
| Offside Front brake caliper has restricted free movement |3.5.1k| | 1 |
| Offside Front Anti-roll bar attachment bracket/mounting insecure |2.4.G.1| | 1 |
| Rear Brake load sensing valve seized |3.6.E.3| | 1 |
| Nearside Front Direction indicator flashing more than 120 times a minute |1.4.A.2g| | 1 |
| Nearside Rear Direction indicator flashing more than 120 times a minute |1.4.A.2g| | 1 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Nearside Front Side repeater not working |1.4.A.2c| | 1 |
| Nearside Side repeater flashing more than 120 times a minute |1.4.A.2g| | 1 |
| Offside Front Direction indicator excessively damaged so that it is not visible from a reasonable distance |1.4.A.2e| | 1 |
| Nearside Direction indicator flashing more than 120 times a minute |1.4.A.2g| | 1 |
| Anti-lock braking system warning lamp indicates an ABS fault | 1 |
| Nearside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 1 |
| Nearside Rear Position lamp not working brake light (4.2.1 (a) (ii)) | 1 |
| Service brake efficiency less than 50% of the required value (1.2.2 (a) (ii)) | 1 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 1 |