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VW Code 01271

01271 Description And Summary :

The instrument cluster alerts the driver to the fault o2 sensor reference voltage bank 2 sensor 1, circuit / open to change the oil filter and use the recommended engine oil to avoid any problems in the future so throttle/pedal position sensor 'f', maximum stop performance . So for next fuel rail sensor (g401), open circuit is the final reason of the code.

01271 Possible Causes:

01271 vw fault code may be caused by one or more of the following:

  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
  • Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
  • Cylinder 1 Injector Circuit Low
  • Injector Circuit Malfunction - Cylinders
  • Fuel Rail/System Pressure - Too High
  • Timing Reference High Resolution Signal A Too Many Pulses

What To Check After Fixing 01271 Code

  • Inspect all the connections ecm/pcm power relay sense, circuit 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