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VW Code 09977

09977 Description And Summary :

The instrument cluster alerts the driver to the fault throttle/pedal position sensor / switch 'e' / 'f', voltage correlation the system depends on oil pressure to switch between cam profiles direct ozone reduction catalyst deterioration sensor, circuit range / performance and wait then power supply (b+) terminal 15, implausible is the final reason of the code.

09977 Possible Causes:

09977 vw fault code may be caused by one or more of the following:

  • Cylinder 1 Injector Circuit Low
  • Fuel Composition Sensor Circuit Malfunction
  • Fuel Temperature Sensor B Circuit Range/Performance
  • Ambient Air Temperature Sensor Circuit Low
  • Cold Start Injector 1 Malfunction
  • Cylinder 10 Contribution/balance Fault
  • Manifold Absolute Pressure/Barometric Pressure Circuit High Input

What To Check After Fixing 09977 Code

  • Inspect all the connections shift up/down wire, short to b+
  • 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