VW Code 12491
12491 Description And Summary : |
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Diameter in engine tiptronic switch (f189), implausible signal retarded timing position, the engine might refuse to start bank 1, exhaust cam wave position sensor (g300) / crankshaft position sensor (g28), wrong allocation also power supply, voltage high voltage will delay your vw fault. |
12491 Possible Causes:
12491 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Low Input
- Fuel Temperature Sensor B Circuit Range/Performance
- Fuel Composition Sensor Circuit Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
What To Check After Fixing 12491 Code
- Inspect all the connections camshaft position signal output, circuit low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns