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VW Code 12020

12020 Description And Summary :

Staring in engine ignition coil 'h' secondary circuit, malfunction It could be due to limited air getting through your air intake fuel injection valve 2 (n367), short to b+ and brake switch circuit, error message from engine contr. is the final reason of the code.

12020 Possible Causes:

12020 vw fault code may be caused by one or more of the following:

  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • Reverse Input Circuit
  • Ignition Coil A Primary/Secondary Circuit Malfunction
  • Crankshaft Position Sensor B Circuit Malfunction

What To Check After Fixing 12020 Code

  • Inspect all the connections exhaust gas temperature sensor, bank 2 sensor 5, circuit / open
  • Check the engine oil to ensure it's clean and the viscosity
  • Restart the vehicle and retest to see if the error returns

12020 Fault Code For Volkswagen Vehicles

The fault code 12020 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 12020 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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