| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 131 |
| Brake pipe excessively corroded | 65 |
| Windscreen wiper does not clear the windscreen effectively | 59 |
| Brakes imbalanced across an axle | 39 |
| Nearside Headlamp aim beam image kick up to the offside |1.8| | 31 |
| Offside Headlamp aim beam image kick up to the offside |1.8| | 31 |
| Registration plate lamp issues | 28 |
| Exhaust system not adequately supported |7.1.1| | 22 |
| Horn not working |1.6.2a| | 21 |
| Parking brake: efficiency below requirements |3.7.B.7| | 21 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 19 |
| Rear brake binding | 16 |
| Service brake: efficiency below requirements |3.7.B.7| | 14 |
| Nearside Headlamp insecure |1.7.3| | 14 |
| Brake hose excessively deteriorated | 14 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 13 |
| Offside Headlamp insecure |1.7.3| | 13 |
| Rear brake application uneven | 12 |
| Offside Headlamp not working on main beam |1.7.5a| | 12 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 11 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 11 |
| Centre Exhaust system not adequately supported |7.1.1| | 10 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 10 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 10 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 10 |
| Rear parking brake recording little or no effort | 10 |
| Exhaust emits an excessive level of metered smoke for a non-turbo charged engine |7.4.B.3b| | 10 |
| Windscreen washer not working | 10 |
| Nearside Headlamp not working on main beam |1.7.5a| | 9 |
| Front brake application uneven | 9 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 9 |
| Headlamp aim beam image kick up to the offside |1.8| | 8 |
| Battery insecure |1.9.1| | 8 |
| Offside Stop lamp not working |1.2.1b| | 8 |
| Nearside Front Headlamp aim beam image kick up to the offside |1.8| | 7 |
| Rear fog lamp not working |1.3.2b| | 7 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 7 |
| Offside Rear fog lamp not working |1.3.2b| | 6 |
| Brake load sensing valve seized |3.6.E.3| | 6 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 6 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 6 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 6 |
| Rear Exhaust system not adequately supported |7.1.1| | 6 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 6 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 6 |
| Nearside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 6 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 6 |
| Exhaust has part of the system excessively deteriorated |7.1.1a| | 5 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 5 |
| Offside Rear fog lamp missing |1.3.2a| | 5 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 5 |
| Nearside Stop lamp not working |1.2.1b| | 5 |
| Nearside Front Front constant velocity joint gaiter split |2.5.C.1a| | 5 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 5 |
| Registration plate issues | 5 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 5 |
| Offside Steering rack gaiter split |2.2.D.2d| | 5 |
| Offside Rear Position lamp not working |4.2.1 |a|| | 5 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 5 |
| Fuel system component leaking |7.2.3| | 4 |
| Nearside Rear Leaf spring has a deteriorated shackle pin rubber bush resulting in excessive movement |2.4.B.2| | 4 |
| Offside Rear Leaf spring has a deteriorated shackle pin rubber bush resulting in excessive movement |2.4.B.2| | 4 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 4 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 4 |
| Parking brake lever has no reserve travel |3.1.6b| | 4 |
| Nearside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 4 |
| Offside Rear Stop lamp not working |1.2.1b| | 4 |
| Offside Front Direction indicator not working |1.4.A.2c| | 4 |
| Brake load sensing valve linkage seized |3.6.E.3| | 4 |
| Nearside Upper Front position lamp|s| not working |1.1.A.3b| | 4 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 4 |
| Brake hose has insufficient room to move | 4 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Nearside Headlamp not working on main beam (4.1.1 (a) (ii)) | 4 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 4 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 4 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 4 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 4 |
| Nearside Rear Service brake excessively binding |1.2.1 |f|| | 3 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 3 |
| Offside Front Headlamp aim beam image kick up to the offside |1.8| | 3 |
| Driver`s door cannot be opened from inside the vehicle |6.2.B.1b| | 3 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 3 |
| Offside Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 3 |
| Brake fluid warning lamp illuminated |3.6.G.2| | 3 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 3 |
| Nearside Outer Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 3 |
| Nearside Front Direction indicator not working |1.4.A.2c| | 3 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 3 |
| Offside Front brake disc excessively pitted |3.5.1h| | 3 |
| Nearside Rear Leaf spring has excessive wear in a shackle pin and/or bush |2.4.B.2| | 3 |
| Horn not loud enough to be heard by another road user |1.6.2b| | 3 |
| Offside Rear Leaf spring has excessive wear in a shackle pin and/or bush |2.4.B.2| | 3 |
| Offside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 3 |
| Offside Front Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Nearside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 3 |
| Brake performance not tested |3.7.A.1| | 3 |
| Windscreen has damage | 3 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 3 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 3 |
| Front brake disc in such a condition that it is seriously weakened | 3 |
| Rear fog lamp not working |4.5.1 |a| |ii|| | 3 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 3 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 3 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 3 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 3 |
| Battery insecure and likely to cause a short circuit (4.13 (a) (ii)) | 3 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 3 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 3 |
| Horn not working (7.7 (a) (ii)) | 3 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 3 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 3 |
| Horn not working (7.7 (a)) | 3 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 3 |
| Offside Rear fog lamp not working |4.5.1 |a| |ii|| | 2 |
| Offside Rear Rear fog lamp not working |4.5.1 |a| |ii|| | 2 |
| Exhaust emissions exceed level of metered smoke for a turbo charged engine |8.2.2.2 |b|| | 2 |
| Nearside Front 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|| | 2 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 2 |
| Nearside Front constant velocity joint gaiter insecurely mounted to its housing |2.5.C.1a| | 2 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 2 |
| Service brake efficiency below requirements |1.2.2 |a| |i|| | 2 |
| Nearside Front Lower Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 2 |
| Fuel pipe leaking |7.2.3| | 2 |
| Offside Rear Rear wheel bearing has excessive play |2.6.2| | 2 |
| Rear Exhaust has part of the system excessively deteriorated |7.1.1a| | 2 |
| Exhaust tailpipe not capable of allowing the emission probe to be inserted |7.4.B.1| | 2 |
| Exhaust system insecure |6.1.2 |a|| | 2 |
| Front Direction indicators incorrect colour |1.4.A.2f| | 2 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 2 |
| Direction indicators not working |1.4.A.2c| | 2 |
| Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 2 |
| Centre Exhaust mounting missing |7.1.1b| | 2 |
| Offside Front coil spring fractured |2.4.C.1a| | 2 |
| Nearside Front Suspension arm has excessive play in a track control arm inner bush |2.5.B.2b| | 2 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 2 |
| Nearside Front Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings |6.1.B.2| | 2 |
| Offside Obligatory mirror seriously damaged, affecting the rear view |8.1.2a| | 2 |
| Offside Front Brake pipe inadequately clipped |3.6.B.1| | 2 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 2 |
| Nearside Headlamp aim not tested |1.8.A.1c| | 2 |
| Offside Lower Rear position lamp|s| not working |1.1.A.3b| | 2 |
| Mechanical brake component has restricted free movement | 2 |
| Offside Front Brake pipe leaking on a hydraulic braking system |1.1.11 |b| |ii|| | 2 |
| Nearside Front Brake pipe inadequately clipped |3.6.B.1| | 2 |
| Offside Front Lower Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 2 |
| Horn not working |7.7 |a| |ii|| | 2 |
| Hazard warning switch faulty |1.4.B.1d| | 2 |
| Hazard warning lamps not flashing in phase, with ignition on |1.4.B.1f| | 2 |
| Rear Exhaust mounting missing |7.1.1b| | 2 |
| Offside Upper Front position lamp|s| not working |1.1.A.3b| | 2 |
| Front Headlamp aim beam image kick up to the offside |1.8| | 2 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 2 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 2 |
| Hazard warning lamps inoperative |1.4.B.1b| | 2 |
| Offside Rear wheel bearing has excessive play |2.6.2| | 2 |
| Offside Windscreen wiper blade deteriorated |8.2.2| | 2 |
| Rear fog lamp tell tale not working |1.3.1b| | 2 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 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 |
| Offside Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.2.C.1c| | 2 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 2 |
| Windscreen has a sticker or other obstruction encroaching by more than 10mm within zone `A` |8.3.1b| | 2 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 2 |
| Exhaust mounting missing |7.1.1b| | 2 |
| Offside Rear position lamp|s| adversely affected by the operation of another lamp |1.1.A.3f| | 2 |
| Offside Outer Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 2 |
| Nearside Seat belt flexible stalk cable has broken strands |5.2.4b| | 2 |
| Nearside front brake binding |3.7.B.1| | 2 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 2 |
| Nearside Headlamp aim so that beam "kick up" is not visible on the screen |4.1.2 |a|| | 2 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 2 |
| Offside Front Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 2 |
| Offside Front Front constant velocity joint is insecure |2.5.C.1b| | 2 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 2 |
| Nearside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Offside Rear Suspension spring mounting prescribed area is excessively corroded |2.4.A.3| | 2 |
| Nearside Front Direction indicators not working |1.4.A.2c| | 2 |
| Rear fog lamp missing |1.3.2a| | 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 |
| Nearside Outer Rear position lamp|s| not working |1.1.A.3b| | 2 |
| All position lamps not working |1.1.A.3b| | 2 |
| Offside front brake binding |3.7.B.1| | 2 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 2 |
| Nearside Front Brake pipe leaking on a hydraulic braking system (1.1.11 (b) (ii)) | 2 |
| Service brake efficiency less than 50% of the required value (1.2.2 (a) (ii)) | 2 |
| Nearside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength front spring hanger (5.3.6 (a) (i)) | 2 |
| Offside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength rear spring hanger (5.3.6 (a) (i)) | 2 |
| Central Exhaust system insecure (6.1.2 (a)) | 2 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Brake load sensing valve linkage seized (3.6.E.3) | 2 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 2 |
| Offside Front Lower Suspension component ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 2 |
| Rear Brake load sensing valve inoperative and ABS not fitted or inoperative (1.1.17 (c) (ii)) | 2 |
| Brake performance not tested (1.2.1 (g)) | 2 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 2 |
| Nearside Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Offside Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 2 |
| Brake pedal has insufficient reserve travel (1.1.2 (a)) | 2 |
| Nearside Rear Service brake effort inadequate at a wheel (1.2.1 (a) (i)) | 2 |
| Exhaust emissions exceed level of metered smoke for a turbo charged engine (8.2.2.2 (b)) | 2 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 2 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 2 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 2 |
| Nearside Headlamp insecure (4.1.1 (c)) | 2 |
| Offside Headlamp insecure (4.1.1 (c)) | 2 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 2 |
| Nearside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Brake performance unable to be tested (1.2.1 (g)) | 2 |