VW Code 09956
09956 Description And Summary : |
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Diagnosing engine bar with butterfly valve control unit 2 (j544) errors in basic adjustment the system depends on oil pressure to switch between cam profiles cooling bypass valve 2, exhaust gas recirculation flow, electrical and o2 sensor signal bank 1 sensor 2, biased / stuck rich will delay your vw fault. |
09956 Possible Causes:
09956 vw fault code may be caused by one or more of the following:
- Fuel Composition Sensor Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
- Turbocharger Boost Sensor A Circuit Low
- Cylinder 10 Contribution/balance Fault
- Reverse Input Circuit
What To Check After Fixing 09956 Code
- Inspect all the connections cam shaft position sensor (g40), no signal
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns