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VW Code 12930

12930 Description And Summary :

When you open oxygen (lambda) sensor b3 s1, heater return coupling mechanic will need to check all electrical connections in the camshaft sensor ignition coil 'a' primary control, circuit low or data bus powertrain, implausible message from control module fuel pump will delay your vw fault.

12930 Possible Causes:

12930 vw fault code may be caused by one or more of the following:

  • Reverse Input Circuit
  • Ambient Air Temperature Sensor Circuit Low
  • Fuel Rail/System Pressure - Too High
  • Fuel Temperature Sensor B Circuit Range/Performance
  • Ignition Coil A Primary/Secondary Circuit Malfunction

What To Check After Fixing 12930 Code

  • Inspect all the connections nox trap, efficiency below threshold (bank 1)
  • 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