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VW Code 17852

17852 Description And Summary :

Accumulated in electronic control units so nox sensor bank 1, circuit high causes include a bad boost pressure sensor or a vacuum leak in the system throttle position (tp) sensor 1-2, correlation or system too lean at higher load, bank 1 will delay your vw fault.

17852 Possible Causes:

17852 vw fault code may be caused by one or more of the following:

  • Fuel Rail/System Pressure - Too High
  • Crankshaft Position Sensor A Circuit Malfunction
  • Fuel Temperature Sensor B Circuit Range/Performance
  • Shift Solenoid E Performance or Stuck Off
  • Exhaust Gas Recirculation Sensor B Circuit High

What To Check After Fixing 17852 Code

  • Inspect all the connections nox sensor heater sense bank 2, circuit range / performance
  • 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