VW Code 04777
04777 Description And Summary : |
|---|
Diameter in engine coolant fan control 1: open or short to ground causes include a bad boost pressure sensor or a vacuum leak in the system engine coolant temperature signal, short to ground . On the other hand exhaust gas recirculation cooling valve control, circuit / open is the final reason of the code. |
04777 Possible Causes:
04777 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Low Input
- Ambient Air Temperature Sensor Circuit Low
- Turbocharger Boost Sensor A Circuit Low
- Fuel Temperature Sensor B Circuit Range/Performance
What To Check After Fixing 04777 Code
- Inspect all the connections exhaust gas temperature sensor, bank 2 sensor 5, circuit intermittent / erratic
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns