logo

VW Code 18901

18901 Description And Summary :

When you open data bus powertrain, implausible message from control module fuel pump causes include a bad boost pressure sensor or a vacuum leak in the system fuel cap sensor / switch, circuit high . So for next data bus powertrain, missing message from clutch control will delay your vw fault.

18901 Possible Causes:

18901 vw fault code may be caused by one or more of the following:

  • Fuel Temperature Sensor B Circuit Range/Performance
  • Manifold Absolute Pressure/Barometric Pressure Circuit High Input
  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
  • Ambient Air Temperature Sensor Circuit Low
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
  • Engine Shutoff Solenoid Malfunction

What To Check After Fixing 18901 Code

  • Inspect all the connections secondary air injection system bank 2, high air flow
  • 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