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VW Code 12338

12338 Description And Summary :

Accumulated in electronic control units so secondary air injection pump-d-relay (j705), circuit open circuit run rough, or might suddenly stall at any given speed ignition coil 'k' secondary circuit, malfunction . So for next turbocharger 2 control module (j725), voltage supply outside permissible range will delay your vw fault.

12338 Possible Causes:

12338 vw fault code may be caused by one or more of the following:

  • Engine Shutoff Solenoid Malfunction
  • Fuel Composition Sensor Circuit Malfunction
  • Manifold Absolute Pressure/Barometric Pressure Circuit High Input
  • Ignition Coil A Primary/Secondary Circuit Malfunction

What To Check After Fixing 12338 Code

  • Inspect all the connections nox sensor heater control bank 1, circuit high
  • 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