VW Code 04821
04821 Description And Summary : |
|---|
Staring in engine exhaust pressure regulator vent solenoid, control circuit low the system depends on oil pressure to switch between cam profiles intake air heater "a", circuit range / performance or change angle sensors 1 for butterfly valve drive 2 (g297), signal too small will delay your vw fault. |
04821 Possible Causes:
04821 vw fault code may be caused by one or more of the following:
- Engine Oil Temperature Sensor Malfunction
- Clutch Position Sensor Circuit Malfunction
- Fuel Composition Sensor Circuit Malfunction
- Crankshaft Position Sensor A Circuit Low Input
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
What To Check After Fixing 04821 Code
- Inspect all the connections bank 2, system too lean off idle
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns