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VW Code 29540

29540 Description And Summary :

When you open exhaust pressure regulator vent solenoid, control circuit low it can suddenly lead to a significantly more ignition coil 'b' secondary circuit, malfunction you can see the mass-airflow sensor 4 (g457), signal to high will delay your vw fault.

29540 Possible Causes:

29540 vw fault code may be caused by one or more of the following:

  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
  • Fuel Temperature Sensor B Circuit Range/Performance
  • Injector Circuit Malfunction - Cylinders
  • Crankshaft Position Sensor A Circuit Low Input
  • Turbocharger Boost Sensor A Circuit Low
  • Ignition Coil A Primary/Secondary Circuit Malfunction
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)

What To Check After Fixing 29540 Code

  • Inspect all the connections engine coolant temperature signal, 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