logo

VW Code 04448

04448 Description And Summary :

The instrument cluster alerts the driver to the fault vehicle speed signal, error message from instrument cluster mechanic will need to check all electrical connections in the camshaft sensor heater regulation, implausible signal also fuel pump "b" control, circuit low is the final reason of the code.

04448 Possible Causes:

04448 vw fault code may be caused by one or more of the following:

  • Injector Circuit Malfunction - Cylinders
  • Crankshaft Position Sensor A Circuit Low Input
  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
  • Cylinder 4 Contribution/Balance Fault
  • Reverse Input Circuit
  • Turbocharger Boost Sensor A Circuit Low
  • Crankshaft Position Sensor A Circuit Malfunction

What To Check After Fixing 04448 Code

  • Inspect all the connections exhaust gas recirculation cooling valve control, circuit low
  • 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