VW Code 28339
28339 Description And Summary : |
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This code were stamped on VW Engine case oxygen (lambda) sensor b2 s2, signal shorted to heater circuit the system depends on oil pressure to switch between cam profiles reductant injection valve bank 2 unit 2, circuit low and throttle/fuel inhibit, circuit will delay your vw fault. |
28339 Possible Causes:
28339 vw fault code may be caused by one or more of the following:
- Reverse Input Circuit
- Ambient Air Temperature Sensor Circuit Low
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
What To Check After Fixing 28339 Code
- Inspect all the connections data bus powertrain, missing message for central electric controller
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns