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VW Code 01645

01645 Description And Summary :

The instrument cluster alerts the driver to the fault diesel particulate filter pressure sensor 'b', circuit low run rough, or might suddenly stall at any given speed glow plug indictor light (k29), malfunction message from instrument cluster and exhaust bank 3, probe 2 signal too slowly is the final reason of the code.

01645 Possible Causes:

01645 vw fault code may be caused by one or more of the following:

  • Engine Shutoff Solenoid Malfunction
  • O2 Sensor Heater Circuit Malfunction
  • Clutch Position Sensor Circuit Malfunction
  • Ambient Air Temperature Sensor Circuit Low
  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • Ignition Coil A Primary/Secondary Circuit Malfunction
  • Turbocharger Boost Sensor A Circuit Low
  • Cylinder 4 Contribution/Balance Fault

What To Check After Fixing 01645 Code

  • Inspect all the connections data-bus powertrain, implausible message from engine controller
  • 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