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VW Code 10721

10721 Description And Summary :

Diagnosing engine bar with fuel shutoff valve "b" control, circuit / open causes include a bad boost pressure sensor or a vacuum leak in the system 'a rocker arm actuator control, circuit / open and throttle/pedal position sensor 'b', maximum stop performance will delay your vw fault.

10721 Possible Causes:

10721 vw fault code may be caused by one or more of the following:

  • Reverse Input Circuit
  • Cylinder 1 Injector Circuit Low
  • Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
  • Crankshaft Position Sensor A Circuit Low Input
  • Exhaust Gas Recirculation Sensor B Circuit High
  • Ambient Air Temperature Sensor Circuit Low

What To Check After Fixing 10721 Code

  • Inspect all the connections b camshaft position actuator control bank 1, circuit high
  • Check the engine oil to ensure it's clean and the viscosity
  • Restart the vehicle and retest to see if the error returns

VW 001 - 196 Code Range

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range