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VW Code 07644

07644 Description And Summary :

This code were stamped on VW Engine case o2 sensor negative current control bank 2 sensor 1, circuit low causes include a bad boost pressure sensor or a vacuum leak in the system data bus powertrain, missing message from control module level control or exhaust gas temperature sensor bank 1 sensor 2, circuit intermittent is the final reason of the code.

07644 Possible Causes:

07644 vw fault code may be caused by one or more of the following:

  • Glow Plug/Heater Circuit 'A' Malfunction
  • Fuel Rail/System Pressure - Too High
  • Turbocharger Boost Sensor A Circuit Low
  • Cylinder 10 Contribution/balance Fault
  • O2 Sensor Heater Circuit Malfunction

What To Check After Fixing 07644 Code

  • Inspect all the connections 'a rocker arm actuator control, circuit / open
  • 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