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VW Code 09644

09644 Description And Summary :

This code were stamped on VW Engine case coolant degassing valve, control circuit / open it can suddenly lead to a significantly more ignition switch run/start position, circuit high or change 'a' rocker arm actuator system, stuck on will delay your vw fault.

09644 Possible Causes:

09644 vw fault code may be caused by one or more of the following:

  • Turbocharger Boost Sensor A Circuit Low
  • Fuel Rail/System Pressure - Too High
  • Manifold Absolute Pressure/Barometric Pressure Circuit High Input
  • Crankshaft Position Sensor B Circuit Malfunction
  • Clutch Position Sensor Circuit Malfunction

What To Check After Fixing 09644 Code

  • Inspect all the connections oxygen (lambda) sensor b1 s2, signal shorted to heater 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