| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 84 |
| Headlamp aim out of alignment | 63 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 61 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 35 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 32 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 30 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 29 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 21 |
| Windscreen wiper does not clear the windscreen effectively | 21 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 19 |
| Exhaust emissions exceed default limit of 1.5m-1 (8.2.2.2 (b)) | 18 |
| Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 17 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 16 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 16 |
| Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 15 |
| Nearside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 15 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 14 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 14 |
| Exhaust on a vehicle fitted with a diesel particulate filter emits visible smoke of any colour (8.2.2.2 (d)) | 14 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 10 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 10 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 10 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 10 |
| Windscreen washer not working | 10 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 9 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 9 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 9 |
| Exhaust emissions exceed manufacturer`s specified limit |8.2.2.2 |a|| | 8 |
| Brakes imbalanced across an axle | 8 |
| Nearside Front Anti-roll bar ball joint excessively worn (5.3.4 (a) (i)) | 8 |
| Parking brake: efficiency below requirements |3.7.B.7| | 8 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 8 |
| Offside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 7 |
| Brake pedal anti-slip provision missing (1.1.2 (c)) | 7 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 7 |
| Engine MIL inoperative or indicates a malfunction |8.2.2.2 |g|| | 7 |
| Offside Stop lamp not working |1.2.1b| | 7 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 7 |
| Front passenger door cannot be opened from inside the vehicle |6.2.B.1b| | 7 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 7 |
| Offside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 7 |
| Offside Rear Direction indicator incorrect colour |1.4.A.2f| | 7 |
| Offside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 7 |
| Oil leaking excessively from engine (8.4.1 (a) (i)) | 6 |
| Rear Exhaust system insecure (6.1.2 (a)) | 6 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 6 |
| Nearside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 6 |
| Offside Parking brake inoperative on one side (1.4.1 (a)) | 6 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 6 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 6 |
| Offside Front Anti-roll bar ball joint excessively worn (5.3.4 (a) (i)) | 6 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 6 |
| Brake hose damaged | 5 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 5 |
| Exhaust emits excessive smoke or vapour likely to obscure the vision of other road users (8.2.2.2 (c)) | 5 |
| Offside Rear fog lamp not working (4.5.1 (a) (ii)) | 5 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 5 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 5 |
| Nearside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 5 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 5 |
| Registration plate issues | 5 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 5 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 5 |
| Nearside Rear Parking brake inoperative on one side (1.4.1 (a)) | 5 |
| Offside Front Position lamp not working |4.2.1 |a|| | 5 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 5 |
| Rear parking brake recording little or no effort | 5 |
| Offside Rear Rear fog lamp not working (4.5.1 (a) (ii)) | 5 |
| Offside Rear Coil spring fractured or broken |5.3.1 |b| |i|| | 4 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 4 |
| Offside Rear Other passenger door cannot be opened from outside the vehicle (6.2.3 (a)) | 4 |
| Offside Front Upper Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 4 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 4 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 4 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 4 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 4 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 4 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 4 |
| Power steering fluid reservoir empty (2.1.5 (b) (ii)) | 4 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 4 |
| Nearside Front Road wheel fixing missing (5.2.1 (a) (i)) | 4 |
| Offside Rear Parking brake inoperative on one side |1.4.1 |a|| | 4 |
| Exhaust emissions exceed manufacturers specified limit 0.51 (8.2.2.2 (a)) | 4 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 4 |
| Exhaust on a vehicle fitted with a diesel particulate filter emits visible smoke of any colour during emission test (8.2.2.2 (d)) | 4 |
| Nearside Front Upper Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 4 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 3 |
| Offside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 3 |
| Offside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 3 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 3 |
| Nearside Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 3 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 3 |
| Nearside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 3 |
| Offside Rear Direction indicator incorrect colour (4.4.3 (a)) | 3 |
| Nearside Rear Service brake excessively binding (1.2.1 (f)) | 3 |
| Offside Rear fog lamp not working |1.3.2b| | 3 |
| Exhaust emissions test not completed because smoke levels are significantly in excess of the specified limit values (8.2.2.2 (f)) | 3 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 3 |
| Rear Brake cable insecure | 3 |
| Exhaust emits an excessive level of metered smoke |7.4.B.3a| | 3 |
| Offside Front Steering rack gaiter missing or no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 3 |
| Rear fog lamp not working (4.5.1 (a) (ii)) | 3 |
| Offside Rear Stop lamp not working |1.2.1b| | 3 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 3 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 3 |
| Nearside Front Upper Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 3 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 3 |
| Nearside Stop lamp not working |1.2.1b| | 3 |
| 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| | 3 |
| Offside Front Lower Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 3 |
| Front brake disc in such a condition that it is seriously weakened | 3 |
| Steering rack has excessive free play detected at the steering wheel (steering rack fitted) (2.3 (a) (i)) | 3 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 3 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 3 |
| Nearside Front Front passenger door cannot be opened from inside the vehicle (6.2.3 (a)) | 3 |
| Offside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 3 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 3 |
| Central Stop lamp(s) with a multiple light source more than 1/2 not functioning (4.3.1 (a) (ii)) | 3 |
| Nearside Front 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 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 3 |
| Offside Front Direction indicator incorrect colour (4.4.3 (a)) | 3 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 3 |
| Nearside Front Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 3 |
| Brake hose has insufficient room to move | 3 |
| Offside Rear Direction indicator incorrect colour |4.4.3 |a|| | 2 |
| Nearside Front Track rod end ball joint has excessive play |2.1.3 |b| |i|| | 2 |
| Offside Rear Rear fog lamp not working |4.5.1 |a| |ii|| | 2 |
| Windscreen wiper blade insecure | 2 |
| Drivers seat insecure (6.2.5 (a) (ii)) | 2 |
| Nearside Rear reflector defective or damaged by more than 50% of the reflecting surface (4.8.1 (a) (ii)) | 2 |
| Offside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 2 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 2 |
| Nearside Front Shock absorbers has a serious fluid leak | 2 |
| Nearside Rear Brake hose excessively twisted (1.1.12 (b) (ii)) | 2 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 2 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 2 |
| Front passenger door cannot be opened from inside the vehicle (6.2.3 (a)) | 2 |
| Nearside Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 2 |
| Brake pedal anti-slip provision missing |1.1.2 |c|| | 2 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 2 |
| Offside Front Side repeater not working (4.4.1 (a) (ii)) | 2 |
| Nearside Rear Service brake excessively binding |1.2.1 |f|| | 2 |
| Nearside Front Headlamp levelling device inoperative (4.1.5 (a)) | 2 |
| Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 2 |
| Exhaust on a vehicle fitted with a diesel particulate filter emits visible smoke of any colour |8.2.2.2 |d|| | 2 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt |5.3.4 |b| |ii|| | 2 |
| Offside Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 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 |
| Nearside Front Prop shaft joint constant velocity boot no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 2 |
| Offside Front Suspension component ball joint excessively worn (5.3.4 (a) (i)) | 2 |
| Brake pedal anti-slip provision worn smooth |1.1.2 |c|| | 2 |
| Brake lever has insufficient reserve travel (1.1.2 (a)) | 2 |
| Nearside Front Outer Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 2 |
| Stop lamp not working both |1.2.1b| | 2 |
| Nearside Front Lower Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 2 |
| Brake pedal anti-slip provision worn smooth (1.1.2 (c)) | 2 |
| Exhaust emits excessive smoke or vapour likely to obscure the vision of other road users |8.2.2.2 |c|| | 2 |
| Emissions not tested (8.2.2.2 (e)) | 2 |
| Offside 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 Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 2 |
| Front Position lamp not working both (4.2.1 (a) (ii)) | 2 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 2 |
| Nearside Rear Direction indicator incorrect colour |4.4.3 |a|| | 2 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt |6.1.7 |g| |ii|| | 2 |
| Nearside Front Upper Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt |5.3.4 |b| |ii|| | 2 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 2 |
| Offside Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Offside Front Track rod end ball joint has excessive play |2.1.3 |b| |i|| | 2 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 2 |
| Horn sound not in accordance with requirements (7.7 (c)) | 2 |
| Offside Inner Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 2 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 2 |
| Centre Rear Seat belt retracting mechanism defective |5.2.5b| | 2 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 2 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 2 |
| Exhaust emissions exceed default limit of 1.5m-1 |8.2.2.2 |b|| | 2 |
| Nearside Rear Brake pipe leaking on a hydraulic braking system leaking from union (1.1.11 (b) (ii)) | 2 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 2 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 2 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 2 |
| Nearside Front Lower Suspension arm ball joint likely to become detached insecure in hub (5.3.4 (a) (ii)) | 2 |
| Nearside 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 |
| Exhaust system insecure centre and rear mountings are broken (6.1.2 (a)) | 2 |
| Nearside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 2 |
| Central Rear Seat belt retracting mechanism defective |5.2.5b| | 2 |
| Nearside Rear Road wheel fixing missing (5.2.1 (a) (i)) | 2 |
| Offside Front Road wheel fixing missing (5.2.1 (a) (i)) | 2 |
| Nearside Position lamp not working (4.2.1 (a) (ii)) | 2 |
| Exhaust emissions exceed manufacturers specified limit Emissions of manufacturing plate value has been removed since last test it is 0.51 (8.2.2.2 (a)) | 2 |
| Nearside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 2 |
| Offside Front Suspension arm ball joint excessively worn |5.3.4 |a| |i|| | 2 |
| Nearside Front Inner 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 Headlamp aim beam image obviously incorrect |1.8.A.1b| | 2 |
| Exhaust emissions exceed manufacturers specified limit plate limit 0.51 (8.2.2.2 (a)) | 2 |
| Offside Steering rack gaiter missing or no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 2 |