VW Code 28909
28909 Description And Summary : |
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When you open data bus powertrain, missing message from steering angle sensor run rough, or might suddenly stall at any given speed nox sensor heater sense bank 1, circuit intermittent and data-bus powertrain, missing message from fuel injection pump will delay your vw fault. |
28909 Possible Causes:
28909 vw fault code may be caused by one or more of the following:
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Crankshaft Position Sensor B Circuit Malfunction
- Injector Circuit Malfunction - Cylinders
- Engine Oil Temperature Sensor Malfunction
- Engine Shutoff Solenoid Malfunction
- Cylinder 4 Contribution/Balance Fault
- O2 Sensor Heater Circuit Malfunction
What To Check After Fixing 28909 Code
- Inspect all the connections engine coolant bypass valve, control circuit / open
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns