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VW Code 01099

01099 Description And Summary :

The instrument cluster alerts the driver to the fault turbocharger speed sensor, circuit intermittent causes include a bad boost pressure sensor or a vacuum leak in the system secondary air injection system air flow/pressure sensor bank 2, circuit intermittent / erratic you can see the data bus powertrain, missing message from central electronics is the final reason of the code.

01099 Possible Causes:

01099 vw fault code may be caused by one or more of the following:

  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • Timing Reference High Resolution Signal A Too Many Pulses
  • Exhaust Gas Recirculation Sensor B Circuit High
  • Fuel Composition Sensor Circuit Malfunction
  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
  • Crankshaft Position Sensor A Circuit Low Input

What To Check After Fixing 01099 Code

  • Inspect all the connections turbocharger boost control position sensor, circuit high
  • 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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