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VW Code 12591

12591 Description And Summary :

Diagnosing engine bar with fuel shutoff valve "b" control, circuit / open retarded timing position, the engine might refuse to start reductant injection valve bank 1 unit 1, circuit / open or change ignition coil cylinder 14, low circuit will delay your vw fault.

12591 Possible Causes:

12591 vw fault code may be caused by one or more of the following:

  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
  • Cylinder 1 Injector Circuit Low
  • Injector Circuit Malfunction - Cylinders
  • Crankshaft Position Sensor B Circuit Malfunction
  • Glow Plug/Heater Circuit 'A' Malfunction
  • Clutch Position Sensor Circuit Malfunction

What To Check After Fixing 12591 Code

  • Inspect all the connections fuel pressure regulator 2 control circuit / 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