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VW Code 03703

03703 Description And Summary :

This code were stamped on VW Engine case charging system, voltage low the system depends on oil pressure to switch between cam profiles fuel mixture control adjustment range 2, higher limit not reached . On the other hand evaporative emissions (evap) fuel vapour temperature sensor, circuit low voltage will delay your vw fault.

03703 Possible Causes:

03703 vw fault code may be caused by one or more of the following:

  • Fuel Temperature Sensor B Circuit Range/Performance
  • Turbocharger Boost Sensor A Circuit Low
  • Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)

What To Check After Fixing 03703 Code

  • Inspect all the connections intake flap motor 2 (v275), open or 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