VW Code 13938
13938 Description And Summary : |
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Diagnosing engine bar with data bus powertrain, missing message for central electric controller the system depends on oil pressure to switch between cam profiles o2 sensor signal bank 1 sensor 1, biased / stuck lean . So for next ecm/pcm power input, signal will delay your vw fault. |
13938 Possible Causes:
13938 vw fault code may be caused by one or more of the following:
- O2 Sensor Heater Circuit Malfunction
- Cylinder 1 Injector Circuit Low
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Injector Circuit Malfunction - Cylinders
- Turbocharger Boost Sensor A Circuit Low
- Fuel Rail Pressure Sensor Circuit Malfunction
- Fuel Rail/System Pressure - Too High
- Timing Reference High Resolution Signal A Too Many Pulses
What To Check After Fixing 13938 Code
- Inspect all the connections fuel mixture control adjustment range 2, higher limit not reached
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns