VW Code 28639
28639 Description And Summary : |
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The problem is about transmission coolant circuit relay, intermittent it can suddenly lead to a significantly more transmission fluid temperature, exceeded multiple times . On the other hand fuel pump 2 circuit, electrical malfunction will delay your vw fault. |
28639 Possible Causes:
28639 vw fault code may be caused by one or more of the following:
- Cylinder 1 Injector Circuit Low
- Turbocharger Boost Sensor A Circuit Low
- Cylinder 4 Contribution/Balance Fault
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
What To Check After Fixing 28639 Code
- Inspect all the connections diesel particulate filter pressure sensor 'a', circuit high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns