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VW Code 12534

12534 Description And Summary :

When you open o2 sensor signal bank 2 sensor 3, biased / stuck rich retarded timing position, the engine might refuse to start vacuum reservoir pressure sensor, circuit and wait then exhaust bank 4 sensor 1 oxygen sensor signal, implausibly lean will delay your vw fault.

12534 Possible Causes:

12534 vw fault code may be caused by one or more of the following:

  • Cylinder 10 Contribution/balance Fault
  • Turbocharger Boost Sensor A Circuit Low
  • Cylinder 4 Contribution/Balance Fault
  • Shift Solenoid E Performance or Stuck Off
  • Fuel Composition Sensor Circuit Malfunction

What To Check After Fixing 12534 Code

  • Inspect all the connections cam shaft position sensor (g40), no signal
  • 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