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VW Code 19645

19645 Description And Summary :

The problem is about secondary air injection pump-d-relay (j705), circuit short to b+ retarded timing position, the engine might refuse to start nox trap, efficiency below threshold (bank 2) or intake manifold tuning valve (bank 1), stuck closed is the final reason of the code.

19645 Possible Causes:

19645 vw fault code may be caused by one or more of the following:

  • Cylinder 10 Contribution/balance Fault
  • Shift Solenoid E Performance or Stuck Off
  • Cold Start Injector 1 Malfunction
  • Clutch Position Sensor Circuit Malfunction

What To Check After Fixing 19645 Code

  • Inspect all the connections linear oxygen sensor exhaust bank 2 / reference voltage, short to b+
  • Check the engine oil to ensure it's clean and the viscosity
  • Restart the vehicle and retest to see if the error returns

19645 Fault Code For Volkswagen Vehicles

The fault code 19645 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 19645 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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