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VW Code 01491

01491 Description And Summary :

This something to do with the intake camshaft timing exhaust bank 4 sensor 1, voltage too low or air leak the system depends on oil pressure to switch between cam profiles exhaust bank 4 sensor 1 heater circuit, voltage too low . On the other hand event data recorder request, circuit high is the final reason of the code.

01491 Possible Causes:

01491 vw fault code may be caused by one or more of the following:

  • Crankshaft Position Sensor A Circuit Low Input
  • Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
  • Shift Solenoid E Performance or Stuck Off
  • Crankshaft Position Sensor A Circuit Malfunction
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)

What To Check After Fixing 01491 Code

  • Inspect all the connections sensor 3 for intake air temperature (g520), signal 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

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VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range