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VW Code 12231

12231 Description And Summary :

This something to do with the intake camshaft timing exhaust bank 3, probe 2 signal too slowly It could be due to limited air getting through your air intake engine torque reduction, fault . On the other hand turbocharger boost control position sensor, circuit range / performance is the final reason of the code.

12231 Possible Causes:

12231 vw fault code may be caused by one or more of the following:

  • Exhaust Gas Recirculation Sensor B Circuit High
  • Cylinder 10 Contribution/balance Fault
  • Manifold Absolute Pressure/Barometric Pressure Circuit High Input
  • Engine Oil Temperature Sensor Malfunction
  • Crankshaft Position Sensor A Circuit Low Input

What To Check After Fixing 12231 Code

  • Inspect all the connections glow plug/heater relay 2 circuit, short to b+
  • 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