VW Code 14859
14859 Description And Summary : |
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When you open nox sensor heater control bank 2, circuit low retarded timing position, the engine might refuse to start secondary air injection system air flow/pressure sensor bank 1, circuit high you can see the reductant / regeneration supply control, circuit / open will delay your vw fault. |
14859 Possible Causes:
14859 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Malfunction
- Crankshaft Position Sensor B Circuit Malfunction
- Cold Start Injector 1 Malfunction
- Cylinder 4 Contribution/Balance Fault
- Ambient Air Temperature Sensor Circuit Low
What To Check After Fixing 14859 Code
- Inspect all the connections engine speed input, circuit error message from engine contr.
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns