VW Code 03400
03400 Description And Summary : |
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Staring in engine throttle/pedal position sensor 'c', minimum stop performance to change the oil filter and use the recommended engine oil to avoid any problems in the future so diesel particulate filter regeneration duration . On the other hand vacuum reservoir pressure sensor, circuit high is the final reason of the code. |
03400 Possible Causes:
03400 vw fault code may be caused by one or more of the following:
- Exhaust Gas Recirculation Sensor B Circuit High
- Shift Solenoid E Performance or Stuck Off
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Fuel Rail/System Pressure - Too High
- Fuel Composition Sensor Circuit Malfunction
What To Check After Fixing 03400 Code
- Inspect all the connections reductant injection valve bank 1 unit 2, 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