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VW Code 01945

01945 Description And Summary :

The instrument cluster alerts the driver to the fault diesel particulate filter pressure sensor 'a', circuit low the system depends on oil pressure to switch between cam profiles exhaust bank 4, sensor 1, electrical error in the electric circuit and oxygen (lambda) sensor b2 s1, heater return coupling is the final reason of the code.

01945 Possible Causes:

01945 vw fault code may be caused by one or more of the following:

  • Reverse Input Circuit
  • Clutch Position Sensor Circuit Malfunction
  • Cylinder 1 Injector Circuit Low
  • Cold Start Injector 1 Malfunction
  • O2 Sensor Heater Circuit Malfunction
  • Crankshaft Position Sensor A Circuit Low Input

What To Check After Fixing 01945 Code

  • Inspect all the connections angle sensors 1 signal implausible for butterfly valve drive 2 (g297)
  • Check the engine oil to ensure it's clean and the viscosity
  • Restart the vehicle and retest to see if the error returns

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