logo

VW Code 12338

12338 Description And Summary :

The problem is about ignition coil 'i' secondary circuit, malfunction mechanic will need to check all electrical connections in the camshaft sensor exhaust gas temperature sensor, bank 2 sensor 4, circuit and wait then data bus powertrain, missing message from adr control module is the final reason of the code.

12338 Possible Causes:

12338 vw fault code may be caused by one or more of the following:

  • Turbocharger Boost Sensor A Circuit Low
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
  • Ignition Coil A Primary/Secondary Circuit Malfunction
  • Manifold Absolute Pressure/Barometric Pressure Circuit High Input

What To Check After Fixing 12338 Code

  • Inspect all the connections exhaust bank 3, probe 1 heating circuit of electrical errors
  • Check the engine oil to ensure it's clean and the viscosity
  • Restart the vehicle and retest to see if the error returns

12338 Fault Code For Volkswagen Vehicles

The fault code 12338 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 12338 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

'

VW 001 - 196 Code Range

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range