VW Code 12578
12578 Description And Summary : |
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The instrument cluster alerts the driver to the fault exhaust gas temperature bank 1, too high to change the oil filter and use the recommended engine oil to avoid any problems in the future so injector cylinder 15 (n392), open circuit . On the other hand coolant fan control 2: open or short to ground will delay your vw fault. |
12578 Possible Causes:
12578 vw fault code may be caused by one or more of the following:
- Cylinder 1 Injector Circuit Low
- Engine Oil Temperature Sensor Malfunction
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Crankshaft Position Sensor B Circuit Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
What To Check After Fixing 12578 Code
- Inspect all the connections valve for pump - jet: cylinder 7 (n303), regulation range exceeded
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns