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VW Code 03340

03340 Description And Summary :

This code were stamped on VW Engine case interference in mechatronic module causes include a bad boost pressure sensor or a vacuum leak in the system turbocharger control module 2, implausible message and wait then reductant injection valve bank 1 unit 1, circuit high is the final reason of the code.

03340 Possible Causes:

03340 vw fault code may be caused by one or more of the following:

  • Cold Start Injector 1 Malfunction
  • Fuel Rail Pressure Sensor Circuit Malfunction
  • Fuel Composition Sensor Circuit Malfunction
  • Crankshaft Position Sensor B Circuit Malfunction
  • Ignition Coil A Primary/Secondary Circuit Malfunction
  • Crankshaft Position Sensor A Circuit Malfunction

What To Check After Fixing 03340 Code

  • Inspect all the connections hydraulic pressure sensor 1, range / performance
  • 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