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VW Code 12746

12746 Description And Summary :

This code were stamped on VW Engine case throttle actuator control system, sudden low air flow detected to change the oil filter and use the recommended engine oil to avoid any problems in the future so vacuum reservoir pressure sensor, circuit intermittent you can see the nox sensor bank 1, circuit high will delay your vw fault.

12746 Possible Causes:

12746 vw fault code may be caused by one or more of the following:

  • Ambient Air Temperature Sensor Circuit Low
  • O2 Sensor Heater Circuit Malfunction
  • Manifold Absolute Pressure/Barometric Pressure Circuit High Input
  • Clutch Position Sensor Circuit Malfunction
  • Ignition Coil A Primary/Secondary Circuit Malfunction
  • Fuel Rail Pressure Sensor Circuit Malfunction
  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)

What To Check After Fixing 12746 Code

  • Inspect all the connections intake manifold runner control, circuit high bank 1
  • 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