VW Code 28639
28639 Description And Summary : |
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Diameter in engine pressure control solenoid 6 (n371) open / short to ground causes include a bad boost pressure sensor or a vacuum leak in the system oxygen sensor bank 3 sensor 1, voltage too low and wait then diesel particulate filter differential pressure too high bank 2 is the final reason of the code. |
28639 Possible Causes:
28639 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Low Input
- Reverse Input Circuit
- Engine Oil Temperature Sensor Malfunction
- Cylinder 4 Contribution/Balance Fault
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Fuel Temperature Sensor B Circuit Range/Performance
- Turbocharger Boost Sensor A Circuit Low
What To Check After Fixing 28639 Code
- Inspect all the connections ignition switch accessory position, circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns