| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 390 |
| Windscreen wiper does not clear the windscreen effectively | 198 |
| Brakes imbalanced across an axle | 83 |
| Brake pipe excessively corroded | 81 |
| Rear brake binding | 73 |
| Anti-lock braking system warning lamp indicates an ABS fault | 50 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 29 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 28 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 22 |
| Rear brake application uneven | 21 |
| Registration plate lamp issues | 20 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 19 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 18 |
| Nearside Steering rack gaiter insecure |2.2.D.2d| | 17 |
| Parking brake: efficiency below requirements |3.7.B.7| | 17 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 15 |
| Nearside Steering rack gaiter split |2.2.D.2d| | 14 |
| Rear parking brake recording little or no effort | 14 |
| Rear fog lamp tell tale not working |1.3.1b| | 13 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 13 |
| Parking brake lever has no reserve travel |3.1.6b| | 12 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 12 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 12 |
| Offside Front Service brake excessively binding (1.2.1 (f)) | 12 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 10 |
| Windscreen washer not working | 10 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 10 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 10 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 10 |
| Nearside Rear wheel bearing has excessive play |2.6.2| | 9 |
| Nearside Rear Rear wheel bearing has excessive play |2.6.2| | 9 |
| Offside Front Service brake excessively binding |1.2.1 |f|| | 9 |
| Offside Rear Stop lamp not working |1.2.1b| | 9 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 8 |
| Offside front brake binding |3.7.B.1| | 8 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 8 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 7 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 7 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 7 |
| Rear Mechanical brake component has restricted free movement | 7 |
| Nearside Front Steering rack gaiter insecure |2.2.D.2d| | 7 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 7 |
| Nearside Front Steering rack gaiter split |2.2.D.2d| | 6 |
| Offside Rear wheel bearing rough when rotated |2.6.1| | 6 |
| Offside Rear fog lamp not working |1.3.2b| | 6 |
| Offside Rear passenger door cannot be opened from outside the vehicle |6.2.B.1c| | 6 |
| Offside Steering rack gaiter split |2.2.D.2d| | 6 |
| Brake pedal anti-slip provision incomplete |3.3.A.1b| | 6 |
| Front brake excessively fluctuating | 6 |
| Nearside Rear Stop lamp not working |1.2.1b| | 6 |
| Nearside Steering rack gaiter missing or no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 6 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 6 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 6 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 6 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 5 |
| Nearside Rear Service brake excessively binding |1.2.1 |f|| | 5 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 5 |
| Offside Rear Service brake excessively binding |1.2.1 |f|| | 5 |
| Battery insecure |1.9.1| | 5 |
| Electronic stability control warning lamp indicates a fault |7.12 |e|| | 5 |
| Offside Stop lamp not working |1.2.1b| | 5 |
| Power steering pipe/hose leaking |2.1.5 |a|| | 5 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 5 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 5 |
| Nearside Rear Other passenger door cannot be opened from outside the vehicle (6.2.3 (a)) | 5 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 5 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 5 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 5 |
| Nearside Front Service brake excessively binding (1.2.1 (f)) | 5 |
| Emissions not tested (8.2.1.2 (d)) | 5 |
| Central Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 5 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 5 |
| Nearside Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 5 |
| Front brake disc in such a condition that it is seriously weakened | 4 |
| Offside Headlamp insecure |1.7.3| | 4 |
| Anti-lock braking system warning lamp does not illuminate |3.4.1b| | 4 |
| Nearside Steering rack gaiter missing or no longer prevents the ingress of dirt |2.1.3 |g| |ii|| | 4 |
| Nearside Rear Wheel bearing rough when rotated |5.1.3 |b| |i|| | 4 |
| Front brake application uneven | 4 |
| Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 4 |
| Central Exhaust has a major leak of exhaust gases |7.1.2| | 4 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 4 |
| Rear fog lamp not working |1.3.2b| | 4 |
| rear brakes release unevenly |3.7.B.4| | 4 |
| Nearside Front Service brake excessively binding |1.2.1 |f|| | 4 |
| Rear fog lamp tell-tale not working |4.9.1 |a| |ii|| | 4 |
| Mechanical brake component has restricted free movement | 4 |
| Offside Rear Wheel bearing has excessive play |5.1.3 |a| |i|| | 4 |
| Nearside Rear wheel bearing rough when rotated |2.6.1| | 4 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 4 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 4 |
| Brake pedal has insufficient reserve travel (1.1.2 (a)) | 4 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 4 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 4 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 4 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 4 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 4 |
| Headlamp levelling device inoperative (4.1.5 (a)) | 4 |
| Rear fog lamp tell-tale not working (4.9.1 (a) (ii)) | 4 |
| Offside Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 4 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 4 |
| Power steering component leaking (2.1.5 (a)) | 4 |
| Service brake: efficiency below requirements |3.7.B.7| | 3 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 3 |
| Windscreen has damage | 3 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 3 |
| Electronic stability system warning lamp indicates a fault |3.4.1c| | 3 |
| Offside Outer Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 3 |
| Power steering fluid level below minimum |2.3.1| | 3 |
| Offside Rear Rear position lamp|s| not working |1.1.A.3b| | 3 |
| Offside Steering rack gaiter missing or no longer prevents the ingress of dirt |2.1.3 |g| |ii|| | 3 |
| Central Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 3 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 3 |
| Rear fog lamp switch faulty |1.3.1a| | 3 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds default limits |8.2.1.2 |b|| | 3 |
| Fuel cap/sealing device sealing washer deteriorated |7.2.4c| | 3 |
| Offside Rear wheel bearing has excessive play |2.6.2| | 3 |
| Offside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 3 |
| Registration plate issues | 3 |
| Nearside Rear Rear wheel bearing rough when rotated |2.6.1| | 3 |
| Horn not working |1.6.2a| | 3 |
| Nearside Headlamp aim projected beam image is obviously incorrect |4.1.2 |c|| | 3 |
| Nearside Rear Other passenger door cannot be opened from outside the vehicle |6.2.3 |a|| | 3 |
| Offside Headlamp insecure |4.1.1 |c|| | 3 |
| 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| | 3 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 3 |
| Offside Rear Wheel bearing rough when rotated |5.1.3 |b| |i|| | 3 |
| Nearside Stop lamp not working |1.2.1b| | 3 |
| Exhaust has a major leak of exhaust gases |6.1.2 |a|| | 3 |
| Nearside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 3 |
| Offside Steering rack gaiter missing or no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 3 |
| Power steering pipe/hose leaking (2.1.5 (a)) | 3 |
| Anti-lock braking system warning lamp does not illuminate (1.6 (a)) | 3 |
| Offside Headlamp aim not tested (4.1.2 (b)) | 3 |
| Nearside Front Service brake excessively fluctuating (1.2.1 (e)) | 3 |
| Nearside Front Steering rack gaiter missing or no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 3 |
| Power steering fluid reservoir empty (2.1.5 (b) (ii)) | 3 |