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VW Code 18779

18779 Description And Summary :

The instrument cluster alerts the driver to the fault charging system, voltage low it can suddenly lead to a significantly more data bus powertrain, no message from transmission controller (tcu) . So for next exhaust gas temperature sensor, bank 2 sensor 4, circuit intermittent / erratic bank will delay your vw fault.

18779 Possible Causes:

18779 vw fault code may be caused by one or more of the following:

  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
  • Fuel Rail Pressure Sensor Circuit Malfunction
  • Exhaust Gas Recirculation Sensor B Circuit High
  • Turbocharger Boost Sensor A Circuit Low
  • Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
  • Crankshaft Position Sensor B Circuit Malfunction
  • Crankshaft Position Sensor A Circuit Malfunction

What To Check After Fixing 18779 Code

  • Inspect all the connections post catalyst fuel trim system, low limit
  • 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

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VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range