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VW Code 03437

03437 Description And Summary :

When you open supply voltage for fuel injector group a, short to ground the system depends on oil pressure to switch between cam profiles starter relay 1, electrical malfunction in circuit (relay stuck / does not switch) . So for next system too rich at higher load, bank 1 will delay your vw fault.

03437 Possible Causes:

03437 vw fault code may be caused by one or more of the following:

  • Turbocharger Boost Sensor A Circuit Low
  • Ignition Coil A Primary/Secondary Circuit Malfunction
  • Glow Plug/Heater Circuit 'A' Malfunction
  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)

What To Check After Fixing 03437 Code

  • Inspect all the connections diesel particulate filter pressure sensor 'b', circuit high
  • 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