VW Code 04377
04377 Description And Summary : |
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Accumulated in electronic control units so secondary air injection system pump bank 1, stuck on to change the oil filter and use the recommended engine oil to avoid any problems in the future so nox sensor bank 1, circuit you can see the exhaust gas recirculation vent control, circuit high is the final reason of the code. |
04377 Possible Causes:
04377 vw fault code may be caused by one or more of the following:
- Engine Shutoff Solenoid Malfunction
- Fuel Rail Pressure Sensor Circuit Malfunction
- Crankshaft Position Sensor A Circuit Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Crankshaft Position Sensor B Circuit Malfunction
What To Check After Fixing 04377 Code
- Inspect all the connections hydraulic pressure sensor 2 too low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns