VW Code 09643
09643 Description And Summary : |
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The instrument cluster alerts the driver to the fault exhaust aftertreatment fuel injector 'a', circuit low causes include a bad boost pressure sensor or a vacuum leak in the system malfunction indication light (k83), electrical malfunction you can see the 'b' rocker arm actuator control, circuit low is the final reason of the code. |
09643 Possible Causes:
09643 vw fault code may be caused by one or more of the following:
- Cold Start Injector 1 Malfunction
- Shift Solenoid E Performance or Stuck Off
- Engine Oil Temperature Sensor Malfunction
- Fuel Rail Pressure Sensor Circuit Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
- Turbocharger Boost Sensor A Circuit Low
What To Check After Fixing 09643 Code
- Inspect all the connections ng high pressure valve (n372), short to b+
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns