VW Code 28315
28315 Description And Summary : |
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When you open intake air heater "a", circuit high causes include a bad boost pressure sensor or a vacuum leak in the system exhaust bank 4 sensor 1, voltage too low or air leak and wait then data bus powertrain, implausible message from control module level control is the final reason of the code. |
28315 Possible Causes:
28315 vw fault code may be caused by one or more of the following:
- O2 Sensor Heater Circuit Malfunction
- Glow Plug/Heater Circuit 'A' Malfunction
- Cylinder 10 Contribution/balance Fault
- Shift Solenoid E Performance or Stuck Off
- Exhaust Gas Recirculation Sensor B Circuit High
- Cylinder 1 Injector Circuit Low
What To Check After Fixing 28315 Code
- Inspect all the connections bank 1, system too rich off idle
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns