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VW Code 12381

12381 Description And Summary :

Diameter in engine intake manifold runner bank 2, high temperature mechanic will need to check all electrical connections in the camshaft sensor ignition switch accessory position, circuit high or secondary air injection system switching valve bank 1, stuck closed is the final reason of the code.

12381 Possible Causes:

12381 vw fault code may be caused by one or more of the following:

  • Reverse Input Circuit
  • Crankshaft Position Sensor A Circuit Malfunction
  • Ambient Air Temperature Sensor Circuit Low
  • Glow Plug/Heater Circuit 'A' Malfunction
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)

What To Check After Fixing 12381 Code

  • Inspect all the connections cylinder 6 injector, data incompatible
  • Check the engine oil to ensure it's clean and the viscosity
  • Restart the vehicle and retest to see if the error returns

12381 Fault Code For Volkswagen Vehicles

The fault code 12381 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 12381 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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