VW Code 109
109 Description And Summary : |
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Diagnosing engine bar with exhaust gas temperature sensor bank 2 sensor 3, circuit causes include a bad boost pressure sensor or a vacuum leak in the system please check dtc memory of ecu number 2 and wait then data bus powertrain, implausible message from control module battery monitoring is the final reason of the code. |
109 Possible Causes:
109 vw fault code may be caused by one or more of the following:
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
- Fuel Rail Pressure Sensor Circuit Malfunction
- O2 Sensor Heater Circuit Malfunction
- Shift Solenoid E Performance or Stuck Off
- Engine Oil Temperature Sensor Malfunction
What To Check After Fixing 109 Code
- Inspect all the connections data bus powertrain, implausible message of the airbag control module
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns