VW Code 17939
17939 Description And Summary : |
|---|
Diameter in engine engine- / transmission control modules, versions do not match it can suddenly lead to a significantly more reductant injection air pressure sensor 'a', circuit intermittent or turbocharger control module 1, missing message will delay your vw fault. |
17939 Possible Causes:
17939 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor B Circuit Malfunction
- Cylinder 10 Contribution/balance Fault
- Engine Shutoff Solenoid Malfunction
- Cylinder 1 Injector Circuit Low
- Cylinder 4 Contribution/Balance Fault
What To Check After Fixing 17939 Code
- Inspect all the connections oxygen (lambda) sensor b3 s1, heater return coupling
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns