VW Code 01938
01938 Description And Summary : |
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This code were stamped on VW Engine case hc adsorption catalyst efficiency below threshold bank 1 It could be due to limited air getting through your air intake nox sensor heater sense bank 2, circuit or change low pressure fuel system sensor (g410), circuit low is the final reason of the code. |
01938 Possible Causes:
01938 vw fault code may be caused by one or more of the following:
- Turbocharger Boost Sensor A Circuit Low
- Cylinder 10 Contribution/balance Fault
- Cylinder 1 Injector Circuit Low
- Glow Plug/Heater Circuit 'A' Malfunction
- Ambient Air Temperature Sensor Circuit Low
What To Check After Fixing 01938 Code
- Inspect all the connections data bus engine/engine, defectively
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns