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VW Code 10023

10023 Description And Summary :

The instrument cluster alerts the driver to the fault secondary air injection system control 'b', circuit high It could be due to limited air getting through your air intake oxygen (lambda) sensor b1 s3, signal shorted to heater circuit . So for next reversing light, circuit short to ground is the final reason of the code.

10023 Possible Causes:

10023 vw fault code may be caused by one or more of the following:

  • Ignition Coil A Primary/Secondary Circuit Malfunction
  • Glow Plug/Heater Circuit 'A' Malfunction
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
  • Crankshaft Position Sensor A Circuit Low Input
  • Timing Reference High Resolution Signal A Too Many Pulses
  • Cylinder 10 Contribution/balance Fault
  • Clutch Position Sensor Circuit Malfunction

What To Check After Fixing 10023 Code

  • Inspect all the connections data bus powertrain, implausible message of the control module central electrics
  • 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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