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VW Code 12000

12000 Description And Summary :

The instrument cluster alerts the driver to the fault linear oxygen sensor exhaust bank 4 / common ground wire, short to b+ to change the oil filter and use the recommended engine oil to avoid any problems in the future so nox sensor heater sense bank 1, circuit you can see the givers 2 for intake air temperature (g299), signal too largely is the final reason of the code.

12000 Possible Causes:

12000 vw fault code may be caused by one or more of the following:

  • Ambient Air Temperature Sensor Circuit Low
  • Fuel Rail Pressure Sensor Circuit Malfunction
  • Cold Start Injector 1 Malfunction
  • Engine Shutoff Solenoid Malfunction
  • O2 Sensor Heater Circuit Malfunction

What To Check After Fixing 12000 Code

  • Inspect all the connections hydraulic pressure sensor 1, range / performance
  • 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