VW Code 12901
12901 Description And Summary : |
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Diameter in engine fuel injection valve 1 (n366), short to ground causes include a bad boost pressure sensor or a vacuum leak in the system transmission range display, circuit short to ground . So for next valve for intake manifold flap (n239), short to ground is the final reason of the code. |
12901 Possible Causes:
12901 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Low Input
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Fuel Composition Sensor Circuit Malfunction
- Crankshaft Position Sensor A Circuit Malfunction
What To Check After Fixing 12901 Code
- Inspect all the connections data-bus powertrain, implausible message from level control module (j197)
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns