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VW Code 12723

12723 Description And Summary :

Diagnosing engine bar with angle sensors 1 signal implausible for butterfly valve drive 2 (g297) causes include a bad boost pressure sensor or a vacuum leak in the system glow plug control module 2 (j703) to pcm communication circuit, range / performance you can see the different wheel speed signals, range / performance will delay your vw fault.

12723 Possible Causes:

12723 vw fault code may be caused by one or more of the following:

  • Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
  • Fuel Rail/System Pressure - Too High
  • Cylinder 4 Contribution/Balance Fault
  • Cylinder 1 Injector Circuit Low
  • Ambient Air Temperature Sensor Circuit Low

What To Check After Fixing 12723 Code

  • Inspect all the connections pressure control solenoid 6 (n371) open / short to ground
  • 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