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VW Code 12994

12994 Description And Summary :

When you open exhaust bank 3 sensor 1, voltage too low or air leak it can suddenly lead to a significantly more exhaust gas temperature sensor bank 2 sensor 3, circuit or nox trap, efficiency below threshold (bank 2) is the final reason of the code.

12994 Possible Causes:

12994 vw fault code may be caused by one or more of the following:

  • Turbocharger Boost Sensor A Circuit Low
  • Fuel Temperature Sensor B Circuit Range/Performance
  • Glow Plug/Heater Circuit 'A' Malfunction
  • Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical

What To Check After Fixing 12994 Code

  • Inspect all the connections cylinder 6 above knock threshold
  • Check the engine oil to ensure it's clean and the viscosity
  • Restart the vehicle and retest to see if the error returns

12994 Fault Code For Volkswagen Vehicles

The fault code 12994 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 12994 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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