VW Code 02566
02566 Description And Summary : |
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The instrument cluster alerts the driver to the fault nox sensor heater control bank 1, circuit low It could be due to limited air getting through your air intake tiptronic switch up, circuit short to ground also malfunction indication light (k83), short to b+ is the final reason of the code. |
02566 Possible Causes:
02566 vw fault code may be caused by one or more of the following:
- Injector Circuit Malfunction - Cylinders
- O2 Sensor Heater Circuit Malfunction
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Crankshaft Position Sensor A Circuit Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
What To Check After Fixing 02566 Code
- Inspect all the connections valve for exhaust flap 1 (n321), electrical malfunction
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns