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VW Code 09770

09770 Description And Summary :

Diameter in engine glow plug/heater relay 2 circuit, short to b+ causes include a bad boost pressure sensor or a vacuum leak in the system radiator exhaust control 1, short-circuit after mass and mil call-up circuit / transmission control module, short to ground is the final reason of the code.

09770 Possible Causes:

09770 vw fault code may be caused by one or more of the following:

  • O2 Sensor Heater Circuit Malfunction
  • Fuel Temperature Sensor B Circuit Range/Performance
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • Fuel Rail Pressure Sensor Circuit Malfunction

What To Check After Fixing 09770 Code

  • Inspect all the connections kick-down switches (f8) implausible signal
  • 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