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VW Code 12730

12730 Description And Summary :

Accumulated in electronic control units so linear oxygen sensor exhaust bank 2 / reference voltage, short to b+ it can suddenly lead to a significantly more internal control module: eeprom error and intake air heater "a", system performance is the final reason of the code.

12730 Possible Causes:

12730 vw fault code may be caused by one or more of the following:

  • Reverse Input Circuit
  • Glow Plug/Heater Circuit 'A' Malfunction
  • Crankshaft Position Sensor A Circuit Malfunction
  • Exhaust Gas Recirculation Sensor B Circuit High

What To Check After Fixing 12730 Code

  • Inspect all the connections injector control pressure sensor, circuit intermittent
  • 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