VW Code 15638
15638 Description And Summary : |
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The problem is about activation intake manifold runner bank 2 control circuit, open It could be due to limited air getting through your air intake data bus powertrain, implausible message of the awd control module and starter interlock, circuit short to b+ is the final reason of the code. |
15638 Possible Causes:
15638 vw fault code may be caused by one or more of the following:
- Timing Reference High Resolution Signal A Too Many Pulses
- Exhaust Gas Recirculation Sensor B Circuit High
- Cylinder 1 Injector Circuit Low
- Fuel Rail/System Pressure - Too High
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
What To Check After Fixing 15638 Code
- Inspect all the connections o2 sensor signal bank 1 sensor 2, biased / stuck rich
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns