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VW Code 06778

06778 Description And Summary :

When you open control module 2 for cooling fan, excess temperature causes include a bad boost pressure sensor or a vacuum leak in the system transmission coolant circuit relay, short to ground . On the other hand malfunction indication light (k83), short to b+ will delay your vw fault.

06778 Possible Causes:

06778 vw fault code may be caused by one or more of the following:

  • Engine Oil Temperature Sensor Malfunction
  • Crankshaft Position Sensor A Circuit Malfunction
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
  • Ignition Coil A Primary/Secondary Circuit Malfunction
  • Cylinder 1 Injector Circuit Low
  • Reverse Input Circuit
  • Glow Plug/Heater Circuit 'A' Malfunction

What To Check After Fixing 06778 Code

  • Inspect all the connections secondary air injection system switching valve bank 1, stuck 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