VW Code 12405
12405 Description And Summary : |
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Diameter in engine fuel injection valve 2 (n367), short to ground to change the oil filter and use the recommended engine oil to avoid any problems in the future so transmission output speed sensor 2 (g196), circuit range / performance . So for next low pressure fuel sensor sensor (g410), implausible signal is the final reason of the code. |
12405 Possible Causes:
12405 vw fault code may be caused by one or more of the following:
- Cylinder 4 Contribution/Balance Fault
- Cold Start Injector 1 Malfunction
- Injector Circuit Malfunction - Cylinders
- Fuel Rail Pressure Sensor Circuit Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Turbocharger Boost Sensor A Circuit Low
- Crankshaft Position Sensor B Circuit Malfunction
What To Check After Fixing 12405 Code
- Inspect all the connections charge pressure fan relay (j712), open
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns