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VW Code 28703

28703 Description And Summary :

Staring in engine injector control pressure sensor, circuit low causes include a bad boost pressure sensor or a vacuum leak in the system power supply (b+) terminal 15, open circuit . So for next valve for exhaust flap 2 (n322), short to b+ is the final reason of the code.

28703 Possible Causes:

28703 vw fault code may be caused by one or more of the following:

  • Cylinder 1 Injector Circuit Low
  • Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
  • Injector Circuit Malfunction - Cylinders
  • Ambient Air Temperature Sensor Circuit Low
  • Cylinder 10 Contribution/balance Fault
  • Turbocharger Boost Sensor A Circuit Low
  • Exhaust Gas Recirculation Sensor B Circuit High

What To Check After Fixing 28703 Code

  • Inspect all the connections different wheel speed signals, range / performance
  • 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