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VW Code 11438

11438 Description And Summary :

Diagnosing engine bar with nox sensor heater sense bank 2, circuit high to change the oil filter and use the recommended engine oil to avoid any problems in the future so o2 sensor reference voltage bank 2 sensor 1, circuit / open . On the other hand secondary air injection system control 'b', circuit low will delay your vw fault.

11438 Possible Causes:

11438 vw fault code may be caused by one or more of the following:

  • O2 Sensor Heater Circuit Malfunction
  • Fuel Rail/System Pressure - Too High
  • Ambient Air Temperature Sensor Circuit Low
  • Clutch Position Sensor Circuit Malfunction

What To Check After Fixing 11438 Code

  • Inspect all the connections nox sensor bank 1, circuit
  • 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