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VW Code 14859

14859 Description And Summary :

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

VW 001 - 196 Code Range

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range