VW Code 03937
03937 Description And Summary : |
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The instrument cluster alerts the driver to the fault exhaust pressure regulator vent solenoid, control circuit low It could be due to limited air getting through your air intake vehicle speed sensor 'b', range / performance you can see the reductant injection valve bank 1 unit 1, circuit high will delay your vw fault. |
03937 Possible Causes:
03937 vw fault code may be caused by one or more of the following:
- Cylinder 1 Injector Circuit Low
- Shift Solenoid E Performance or Stuck Off
- Glow Plug/Heater Circuit 'A' Malfunction
- Clutch Position Sensor Circuit Malfunction
- Reverse Input Circuit
- Turbocharger Boost Sensor A Circuit Low
What To Check After Fixing 03937 Code
- Inspect all the connections torque management request input signal b
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns