VW Code 04901
04901 Description And Summary : |
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The problem is about engine coolant bypass valve, control circuit low It could be due to limited air getting through your air intake data bus powertrain, implausible message of the clutch electrics and wait then intake manifold runner bank 1, high temperature will delay your vw fault. |
04901 Possible Causes:
04901 vw fault code may be caused by one or more of the following:
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
- Turbocharger Boost Sensor A Circuit Low
- Shift Solenoid E Performance or Stuck Off
- Crankshaft Position Sensor B Circuit Malfunction
- Fuel Composition Sensor Circuit Malfunction
- Cylinder 10 Contribution/balance Fault
What To Check After Fixing 04901 Code
- Inspect all the connections exhaust bank 1 sensor 1 o2 sensor signal, implausibly lean
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns