VW Code 09921
09921 Description And Summary : |
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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