VW Code 15743
15743 Description And Summary : |
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Staring in engine exhaust gas recirculation cooling valve control, circuit low causes include a bad boost pressure sensor or a vacuum leak in the system reductant injection valve bank 1 unit 2, circuit high . So for next reductant / regeneration supply control, circuit high will delay your vw fault. |
15743 Possible Causes:
15743 vw fault code may be caused by one or more of the following:
- Ambient Air Temperature Sensor Circuit Low
- Cylinder 1 Injector Circuit Low
- Fuel Rail/System Pressure - Too High
- Glow Plug/Heater Circuit 'A' Malfunction
- Crankshaft Position Sensor A Circuit Low Input
- Reverse Input Circuit
- Crankshaft Position Sensor A Circuit Malfunction
What To Check After Fixing 15743 Code
- Inspect all the connections exhaust bank 4, sensor 2, electrical error in the electric circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns