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VW Code 08640

08640 Description And Summary :

Accumulated in electronic control units so transmission fluid temperature, exceeded multiple times it can suddenly lead to a significantly more activation 2-unit injector valve, short to b+ also data bus powertrain, missing message from adr control module is the final reason of the code.

08640 Possible Causes:

08640 vw fault code may be caused by one or more of the following:

  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
  • Cylinder 1 Injector Circuit Low
  • Crankshaft Position Sensor A Circuit Malfunction
  • Fuel Rail Pressure Sensor Circuit Malfunction
  • Fuel Rail/System Pressure - Too High
  • Crankshaft Position Sensor A Circuit Low Input

What To Check After Fixing 08640 Code

  • Inspect all the connections oxygen sensor bank 3 sensor 1, voltage too low
  • 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