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VW Code 06646

06646 Description And Summary :

The instrument cluster alerts the driver to the fault engine coolant temperature sensor 2 (g83), circuit high mechanic will need to check all electrical connections in the camshaft sensor ignition coil 'h' primary control, short to plus . On the other hand angle sensors 2 for butterfly valve drive 2 (g298), signal too largely will delay your vw fault.

06646 Possible Causes:

06646 vw fault code may be caused by one or more of the following:

  • Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
  • Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
  • Cylinder 10 Contribution/balance Fault
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
  • Fuel Temperature Sensor B Circuit Range/Performance
  • O2 Sensor Heater Circuit Malfunction

What To Check After Fixing 06646 Code

  • Inspect all the connections a/c request a, circuit high
  • 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