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VW Code 29401

29401 Description And Summary :

When you open exhaust pressure regulator vent solenoid, control circuit low mechanic will need to check all electrical connections in the camshaft sensor exhaust bank 3, probe 1 heating circuit short-circuit after mass or exhaust gas temperature sensor 2 bank 1 (g448), low is the final reason of the code.

29401 Possible Causes:

29401 vw fault code may be caused by one or more of the following:

  • Fuel Composition Sensor Circuit Malfunction
  • Manifold Absolute Pressure/Barometric Pressure Circuit High Input
  • Ignition Coil A Primary/Secondary Circuit Malfunction
  • Exhaust Gas Recirculation Sensor B Circuit High
  • Cylinder 1 Injector Circuit Low
  • Clutch Position Sensor Circuit Malfunction
  • Cylinder 4 Contribution/Balance Fault
  • Ignition/Distributor Engine Speed Input Circuit Malfunction

What To Check After Fixing 29401 Code

  • Inspect all the connections particulate trap bank 2, efficiency below threshold
  • Check the engine oil to ensure it's clean and the viscosity
  • Restart the vehicle and retest to see if the error returns

29401 Fault Code For Volkswagen Vehicles

The fault code 29401 is associated with Volkswagen (VW) vehicles and indicates a specific issue detected by the onboard diagnostics (OBD) system. Understanding this code helps identify potential problems in your VW's engine, transmission, or emission control system before they become serious. This page provides a detailed explanation of the 29401 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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