VW Code 01277
01277 Description And Summary : |
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The instrument cluster alerts the driver to the fault o2 sensor negative current control bank 2 sensor 1, circuit low the system depends on oil pressure to switch between cam profiles engine coolant temperature signal, range / performance or intake air heater "a", circuit open will delay your vw fault. |
01277 Possible Causes:
01277 vw fault code may be caused by one or more of the following:
- Fuel Rail/System Pressure - Too High
- Ambient Air Temperature Sensor Circuit Low
- Fuel Temperature Sensor B Circuit Range/Performance
- Shift Solenoid E Performance or Stuck Off
What To Check After Fixing 01277 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