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VW Code 12531

12531 Description And Summary :

Diameter in engine water in fuel sensor, circuit high the system depends on oil pressure to switch between cam profiles throttle actuator control system, sudden high air flow detected . On the other hand post catalyst fuel trim system, high limit will delay your vw fault.

12531 Possible Causes:

12531 vw fault code may be caused by one or more of the following:

  • Fuel Composition Sensor Circuit Malfunction
  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
  • Crankshaft Position Sensor A Circuit Malfunction
  • Timing Reference High Resolution Signal A Too Many Pulses
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
  • Engine Shutoff Solenoid Malfunction
  • Cylinder 1 Injector Circuit Low

What To Check After Fixing 12531 Code

  • Inspect all the connections charge pressure fan relay (j712), open
  • 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