VW Code 16439
16439 Description And Summary : |
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When you open planetary overdrive / low range, mechanical malfunction it can suddenly lead to a significantly more linear oxygen sensor exhaust bank 4, compensation wire pump current, open circuit . So for next evaporative emission system leak detection pump control, circuit / open will delay your vw fault. |
16439 Possible Causes:
16439 vw fault code may be caused by one or more of the following:
- Clutch Position Sensor Circuit Malfunction
- Engine Oil Temperature Sensor Malfunction
- Crankshaft Position Sensor B Circuit Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Crankshaft Position Sensor A Circuit Malfunction
What To Check After Fixing 16439 Code
- Inspect all the connections cylinder 1 above knock threshold
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns