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VW Code 09921

09921 Description And Summary :

This code were stamped on VW Engine case injector control pressure, erratic the system depends on oil pressure to switch between cam profiles valve for exhaust flap 1 (n321), electrical malfunction and activation, intake manifold runner bank 1 control, range / performance is the final reason of the code.

09921 Possible Causes:

09921 vw fault code may be caused by one or more of the following:

  • Engine Shutoff Solenoid Malfunction
  • Reverse Input Circuit
  • Manifold Absolute Pressure/Barometric Pressure Circuit High Input
  • Glow Plug/Heater Circuit 'A' Malfunction
  • Shift Solenoid E Performance or Stuck Off

What To Check After Fixing 09921 Code

  • Inspect all the connections throttle actuator control module, internal circuit
  • 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