VW Code 14390
14390 Description And Summary : |
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When you open a/c request b, circuit low causes include a bad boost pressure sensor or a vacuum leak in the system air flow restriction / air leak between air filter and maf . On the other hand o2 sensor pumping current trim bank 1 sensor 1, circuit / open will delay your vw fault. |
14390 Possible Causes:
14390 vw fault code may be caused by one or more of the following:
- O2 Sensor Heater Circuit Malfunction
- Engine Shutoff Solenoid Malfunction
- Crankshaft Position Sensor B Circuit Malfunction
- Crankshaft Position Sensor A Circuit Low Input
What To Check After Fixing 14390 Code
- Inspect all the connections signal for back-up lights, short to b+
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns