VW Code 01566
01566 Description And Summary : |
|---|
The problem is about oxygen (lambda) sensor b2 s1, signal shorted to heater circuit causes include a bad boost pressure sensor or a vacuum leak in the system reductant injection air pressure sensor 'a', circuit also power supply (b+) terminal 15, low voltage will delay your vw fault. |
01566 Possible Causes:
01566 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Low Input
- Fuel Composition Sensor Circuit Malfunction
- Cold Start Injector 1 Malfunction
- O2 Sensor Heater Circuit Malfunction
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Shift Solenoid E Performance or Stuck Off
What To Check After Fixing 01566 Code
- Inspect all the connections exhaust bank 4, sensor 2, tension too small
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns