| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 24 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 18 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 15 |
| Brakes imbalanced across an axle | 13 |
| Windscreen wiper does not clear the windscreen effectively | 13 |
| Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 10 |
| Nearside Rear coil spring broken |2.4.C.1a| | 7 |
| Offside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 6 |
| Windscreen washer not working | 5 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 5 |
| Front brake application uneven | 5 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 4 |
| Registration plate lamp issues | 4 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 4 |
| Rear brake binding | 4 |
| Exhaust carbon monoxide content at idle exceeds manufacturers specified limits (8.2.1.2 (b)) | 3 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 3 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturers specified limits (8.2.1.2 (a)) | 3 |
| Parking brake lever has no reserve travel |3.1.6b| | 3 |
| Offside Rear coil spring broken |2.4.C.1a| | 3 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 3 |
| Nearside Rear Coil spring fractured or broken |5.3.1 |b| |i|| | 3 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 3 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 3 |
| Offside Front Position lamp not working |4.2.1 |a|| | 3 |
| Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 3 |
| Nearside Headlamp aim not tested (4.1.2 (b)) | 2 |
| Offside Rear Shock absorbers damaged to the extent that it does not function (5.3.2 (b)) | 2 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 2 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 2 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 2 |
| Nearside Parking brake inoperative on one side (1.4.1 (a)) | 2 |
| Rear Brake cable insecure | 2 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 2 |
| Nearside Rear Rear position lamp|s| not working |1.1.A.3b| | 2 |
| Nearside Front Wheel bolt|s| missing |4.2.A.1e| | 2 |
| Front brake disc in such a condition that it is seriously weakened | 2 |
| Offside Stop lamp not working |1.2.1b| | 2 |
| Nearside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 2 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 2 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 2 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 2 |
| Offside Headlamp cleaning device inoperative |1.7.2| | 2 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 2 |
| Nearside Rear Service brake excessively binding |1.2.1 |f|| | 2 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 2 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 2 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 2 |
| Parking brake: efficiency below requirements |3.7.B.7| | 2 |
| Nearside Front Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Nearside Headlamp light intensity severely reduced (4.1.4 (a)) | 1 |
| Nearside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Offside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 1 |
| Offside Rear Suspension arm corroded and seriously weakened (5.3.3 (b) (i)) | 1 |
| Front Service brake excessively fluctuating (1.2.1 (e)) | 1 |
| Rear Service brake excessively fluctuating (1.2.1 (e)) | 1 |
| Reversing lamp inoperative (4.6.1 (a)) | 1 |
| Offside Rear Upper Suspension component insecurely attached bolt loose (5.3.3 (a) (i)) | 1 |
| Offside Seat belt anchorage prescribed area strength or continuity significantly reduced sill (7.1.1 (a) (i)) | 1 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 1 |
| Nearside Front coil spring broken |2.4.C.1a| | 1 |
| Parking (secondary brake) on a single line braking system has no recorded effort at a wheel (1.3.1 (a) (ii)) | 1 |
| Offside Front coil spring broken |2.4.C.1a| | 1 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect fitted new bulb |4.1.2 |c|| | 1 |
| Electrical wiring insecure and connectors likely to become disconnected battery terminal (4.11 (a) (ii)) | 1 |
| Nearside Headlamp light intensity severely reduced dip (4.1.4 (a)) | 1 |
| Headlamp aim not tested |1.8.A.1c| | 1 |
| Headlamp not working on dipped beam |1.7.5a| | 1 |
| Offside Front Lower Suspension arm pin or bush excessively worn Rear bush split (5.3.4 (a) (i)) | 1 |
| Nearside Rear Valve stem seriously damaged |5.2.3 |j|| | 1 |
| Rear Exhaust has a major leak of exhaust gases Y piece (6.1.2 (a)) | 1 |
| Nearside Rear Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 1 |
| Nearside Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 1 |
| Nearside Rear Coil spring mounting corroded and seriously weakened (5.3.1 (b) (i)) | 1 |
| Nearside Steering rack gaiter missing or no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 1 |
| Steering rack gaiter missing or no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 1 |
| Offside Rear Brake lever has restricted free movement (1.1.15 (e)) | 1 |
| Offside Side repeater not working |1.4.A.2c| | 1 |
| Nearside Front Steering rack damaged and unserviceable |2.2.C.1d| | 1 |
| Offside Rear Coil spring fractured or broken (5.3.1 (b) (i)) | 1 |
| Emissions unable to be completed (8.2.1.2 (d)) | 1 |
| Offside Rear Coil spring mounting insecure to the extent that relative movement is visible (5.3.1 (a) (ii)) | 1 |
| Headlamp light source and lamp not compatible |4.1.4 |c|| | 1 |
| Nearside Front Direction indicator does not face the front |1.4.A.2b| | 1 |
| Offside Rear Coil spring fractured or broken |5.3.1 |b| |i|| | 1 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 1 |
| Nearside Rear Direction indicator incorrect colour |4.4.3 |a|| | 1 |
| Rear fog lamp adversely affected by the operation of another lamp Reverse lamp (4.5.4 (b)) | 1 |
| Reversing lamp does not emit a steady white light (4.6.2 (a)) | 1 |
| Nearside Front Steering rack gaiter missing or no longer prevents the ingress of dirt (2.1.3 (g) (ii)) | 1 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 1 |
| front brakes release unevenly |3.7.B.4| | 1 |
| Nearside Front Steering rack gaiter missing or no longer prevents the ingress of dirt has water in boot (2.1.3 (g) (ii)) | 1 |
| Oil leaking excessively from engine (8.4.1 (a) (i)) | 1 |
| Oil leaking excessively from engine |8.4.1 |a| |i|| | 1 |
| Nearside Headlamp cleaning device inoperative |1.7.2| | 1 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 1 |
| Nearside Front Coil spring fractured or broken (5.3.1 (b) (i)) | 1 |
| Windscreen wiper blade insecure | 1 |
| Offside Front Headlamp aim projected beam image is obviously incorrect |4.1.2 |c|| | 1 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 1 |
| Nearside Rear Shock absorbers damaged to the extent that it does not function strut collapsed spring seat corroded spring resting on suspension arm (5.3.2 (b)) | 1 |
| Nearside Front Road wheel fixing missing (5.2.1 (a) (i)) | 1 |
| Nearside Front Upper Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Nearside Front Lower Coil spring fractured or broken (5.3.1 (b) (i)) | 1 |
| Offside Rear Brake cable damaged Snapped during brake testing. (1.1.15 (a)) | 1 |
| Offside Headlamp has a product on the light source so that the light output is severely reduced head lamp bulb insecure / no beam pattern /refit bulb |1.7.5a| | 1 |
| Offside Rear Service brake excessively binding wheel bearing not checked (1.2.1 (f)) | 1 |
| Nearside Rear Service brake excessively binding wheel bearing not checked (1.2.1 (f)) | 1 |
| Headlamp levelling device inoperative (4.1.5 (a)) | 1 |
| Service brake excessively binding both rear (1.2.1 (f)) | 1 |
| Offside Front Lower Suspension arm pin or bush excessively worn rear bush (5.3.4 (a) (i)) | 1 |
| Offside Inner Rear position lamp|s| not working |1.1.A.3b| | 1 |
| Rear fog lamp not working |1.3.2b| | 1 |
| Trailer electrical socket |13 pin| not operating the trailer lamps as intended |1.9.4| | 1 |
| Emissions NOx sensor obviously defective failed emissions test- split in exhaust pipe (8.2.1.1 (a)) | 1 |
| Nearside Front Position lamp light intensity significantly reduced side light (4.2.3 (a) (ii)) | 1 |
| Rear Brake load sensing valve inoperative but ABS functioning wiring broken at plug (1.1.17 (c) (i)) | 1 |
| Nearside Front Headlamp levelling device inoperative (4.1.5 (a)) | 1 |
| Offside Front Headlamp levelling device inoperative (4.1.5 (a)) | 1 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 1 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 1 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 1 |
| Nearside Rear Stop lamp|s| not working |4.3.1 |a| |ii|| | 1 |
| Rear Exhaust has a major leak of exhaust gases Exhaust clamps broken (6.1.2 (a)) | 1 |
| Nearside Rear Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Centre Rear Seat belt retracting mechanism defective |5.2.5b| | 1 |
| Offside Headlamp aim so that beam "kick up" is not visible on the screen Bulb fit |4.1.2 |a|| | 1 |
| Service brake: efficiency below requirements |3.7.C.1a| | 1 |
| Nearside Headlamp insecure (4.1.1 (c)) | 1 |
| Nearside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 1 |
| Exhaust emits excessive smoke or vapour likely to obscure the vision of other road users (8.2.2.2 (c)) | 1 |
| Exhaust emits excessive dense blue smoke during acceleration (8.2.1.2 (g)) | 1 |
| Exhaust emits dense blue smoke at idle (8.2.1.2 (f)) | 1 |
| Brake performance not tested (1.2.1 (g)) | 1 |
| Headlamp light source and lamp not compatible HID conversion (4.1.4 (c)) | 1 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 1 |
| Offside Front Obligatory mirror missing mirror glass |8.1.1| | 1 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 1 |
| Offside Front Front wheel bearing rough when rotated |2.5.A.2| | 1 |
| Offside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 1 |
| Nearside Rear Anti-roll bar linkage ball joint excessively worn |5.3.4 |a| |i|| | 1 |
| Nearside Rear Direction indicator incorrect colour (4.4.3 (a)) | 1 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 1 |
| Offside Rear Road wheel fractured (5.2.2 (a)) | 1 |
| Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Nearside Front wheel bearing rough when rotated |2.5.A.2| | 1 |
| Nearside Rear Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 1 |
| Engine MIL inoperative or indicates a malfunction |8.2.2.2 |g|| | 1 |
| Fuel system component leaking fuel filter |7.2.3| | 1 |
| Nearside Front Shock absorbers has a serious fluid leak | 1 |
| Offside Front Shock absorbers has a serious fluid leak | 1 |
| Centre Stop lamp not working |1.2.1b| | 1 |
| Offside Rear Service brake excessively binding (1.2.1 (f)) | 1 |
| Service brake excessively fluctuating Both front discs (1.2.1 (e)) | 1 |
| Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Offside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i)) | 1 |
| Rear Service brake excessively binding (1.2.1 (f)) | 1 |
| Nearside Rear Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Rear Mechanical brake component has restricted free movement | 1 |