VW Code 09781
09781 Description And Summary : |
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Accumulated in electronic control units so fuel additive control module requested mil illumination It could be due to limited air getting through your air intake data bus powertrain, missing messages you can see the intake manifold runner control, circuit low bank 2 is the final reason of the code. |
09781 Possible Causes:
09781 vw fault code may be caused by one or more of the following:
- Fuel Temperature Sensor B Circuit Range/Performance
- Exhaust Gas Recirculation Sensor B Circuit High
- Ambient Air Temperature Sensor Circuit Low
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
What To Check After Fixing 09781 Code
- Inspect all the connections oxygen sensor b1 s1: heating circuit regulation at upper limit, lower limit exceeded
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns