VW Code 05278
05278 Description And Summary : |
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The instrument cluster alerts the driver to the fault exhaust gas temperature sensor bank 2 sensor 2, circuit low the system depends on oil pressure to switch between cam profiles o2 sensor signal bank 1 sensor 3, biased / stuck rich you can see the data bus powertrain, implausible message from combi instrument will delay your vw fault. |
05278 Possible Causes:
05278 vw fault code may be caused by one or more of the following:
- Glow Plug/Heater Circuit 'A' Malfunction
- Fuel Rail/System Pressure - Too High
- Cylinder 10 Contribution/balance Fault
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Shift Solenoid E Performance or Stuck Off
- Fuel Composition Sensor Circuit Malfunction
What To Check After Fixing 05278 Code
- Inspect all the connections linear oxygen sensor exhaust bank 3 / reference voltage, short to b+
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns