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VW Code 12026

12026 Description And Summary :

The instrument cluster alerts the driver to the fault ecm/pcm power relay sense, circuit intermittent causes include a bad boost pressure sensor or a vacuum leak in the system exhaust bank 2 mixture adaptation range 3, lean limit not reached or change accelerator pedal position sensor 2 (g185), signal too low is the final reason of the code.

12026 Possible Causes:

12026 vw fault code may be caused by one or more of the following:

  • Shift Solenoid E Performance or Stuck Off
  • Ambient Air Temperature Sensor Circuit Low
  • Cylinder 10 Contribution/balance Fault
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
  • Crankshaft Position Sensor B Circuit Malfunction
  • Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical

What To Check After Fixing 12026 Code

  • Inspect all the connections injector cylinder 15 (n392), circuit low
  • 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