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VW Code 02566

02566 Description And Summary :

The instrument cluster alerts the driver to the fault secondary air injection system bank 2, high air flow mechanic will need to check all electrical connections in the camshaft sensor throttle actuator control motor current, range / performance you can see the relay 2 for power supply (b+)terminal 30, range/performance will delay your vw fault.

02566 Possible Causes:

02566 vw fault code may be caused by one or more of the following:

  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • Engine Oil Temperature Sensor Malfunction
  • Crankshaft Position Sensor A Circuit Malfunction
  • Crankshaft Position Sensor A Circuit Low Input
  • Timing Reference High Resolution Signal A Too Many Pulses
  • Exhaust Gas Recirculation Sensor B Circuit High

What To Check After Fixing 02566 Code

  • Inspect all the connections linear oxygen sensor exhaust bank 3 / reference voltage, implausible
  • 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