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VW Code 01446

01446 Description And Summary :

The instrument cluster alerts the driver to the fault reductant temperature sensor, circuit high retarded timing position, the engine might refuse to start vehicle speed sensor 'b', intermittent / erratic / high you can see the engine coolant bypass valve, control circuit / open will delay your vw fault.

01446 Possible Causes:

01446 vw fault code may be caused by one or more of the following:

  • Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
  • Engine Shutoff Solenoid Malfunction
  • Fuel Rail/System Pressure - Too High
  • Cylinder 4 Contribution/Balance Fault
  • Crankshaft Position Sensor A Circuit Malfunction

What To Check After Fixing 01446 Code

  • Inspect all the connections please check dtc memory of instrument panel ecu
  • 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