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VW Code 28112

28112 Description And Summary :

The instrument cluster alerts the driver to the fault exhaust bank 4 sensor 1 heater circuit, short to b+ it can suddenly lead to a significantly more intake manifold runner control: open stop outside of valid range and egr system, regulation range exceeded is the final reason of the code.

28112 Possible Causes:

28112 vw fault code may be caused by one or more of the following:

  • Ambient Air Temperature Sensor Circuit Low
  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
  • Turbocharger Boost Sensor A Circuit Low
  • Injector Circuit Malfunction - Cylinders
  • Fuel Composition Sensor Circuit Malfunction
  • Shift Solenoid E Performance or Stuck Off
  • Clutch Position Sensor Circuit Malfunction

What To Check After Fixing 28112 Code

  • Inspect all the connections transmission faulty
  • Check the engine oil to ensure it's clean and the viscosity
  • Restart the vehicle and retest to see if the error returns

VW 001 - 196 Code Range

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range